Calcul Spratiz
Calcul Spratiz
2.Guseu de stalp
unghi             55
N1          315.3735 perpendicular            N          315.3735
N2          220.8269 paralel                  V          220.8269
Lsudur             650 mm
ls1                630 d                 10 mm           Nr cordona         2
W           1323000 mm3
A=            13000 mms
                     Check
N/mm2                         1          TRUE
                              1          TRUE
N/mm2
N/mm2
N/mm2                         0      FALSE
N/mm2                         0      FALSE
N/mm2
N/mm2                                     4.9
N/mm2                         0      FALSE
N/mm2                         0      FALSE
N/mm2
N/mm2                 0.670685            4.9
A=                6600 MM2
Ix              433000 mm4
ix            8.099757 mm4
Lxx=               500 mm4
λx=           61.73025
λ1=           93.91297
λbar=         0.657313
φ=          0.793774
X=          0.807257
Nef=             385 kN
Ncap        1252.055
Verificare Strivire
N=                    385 kN
B                      20 mm
L                     650 mm
2.Guseu de stalp
unghi             55
N1          248.2031 perpendicular            N          248.2031
N2          173.7937 paralel                  V          173.7937
Lsudur             650 mm
ls1                630 d                 10 mm           Nr cordona         2
W           1323000 mm3
A=            13000 mms
                     Check
N/mm2                         1          TRUE
                              1          TRUE
N/mm2
N/mm2
N/mm2                         0      FALSE
N/mm2                         0      FALSE
N/mm2
N/mm2                                     4.9
N/mm2                         0      FALSE
N/mm2                         0      FALSE
N/mm2
N/mm2                 0.720911            4.9
A=                6600 MM2
Ix              433000 mm4
ix            8.099757 mm4
Lxx=               500 mm4
λx=           61.73025
λ1=           93.91297
λbar=         0.657313
φ=          0.793774
X=          0.807257
Nef=             303 kN
Ncap        1252.055
Verificare Strivire
N=                    303 kN
B                      20 mm
L                     650 mm
2.Guseu de stalp
unghi             55
N1          1084.885 perpendicular            N          1084.885
N2          759.6446 paralel                  V          759.6446
Lsudur             650 mm
ls1                630 d                 10 mm           Nr cordona         2
W           1323000 mm3
A=            13000 mms
                     Check
N/mm2                         1          TRUE
                              1          TRUE
N/mm2
N/mm2
N/mm2                         0      FALSE
N/mm2                         0      FALSE
N/mm2
N/mm2                                     4.9
N/mm2                         0      FALSE
N/mm2                         0      FALSE
N/mm2
N/mm2                                     4.9
A=                6600 MM2
Ix              433000 mm4
ix            8.099757 mm4
Lxx=               500 mm4
λx=           61.73025
λ1=           93.91297
λbar=         0.657313
φ=          0.793774
X=          0.807257
Nef=           1324.4 kN
Ncap        1252.055
Verificare Strivire
N=             1324.4 kN
B                  20 mm
L                 650 mm
        Check
N/mm2           1          TRUE
                1          TRUE
N/mm2
N/mm2
N/mm2           0      FALSE
N/mm2           1       TRUE
N/mm2
N/mm2                       4.9
N/mm2           1          TRUE
N/mm2           1          TRUE
N/mm2
N/mm2                       4.9
Hprofil          100 mm                                             2 cordoane
e                28.2 mm                      Lsudura1          340       170
Aprofil         3840 mm2                      Lsudura2          340       170
                                              ls1               326 d               7 mm
Ncap            902.4 kN                      ls2               326 d               7 mm
Neff              420 kN
                      Nedeff         301.56              f1         925.0307 N/mm    tau1    132.1472
Force fro Etabs       Nedeff         118.44              f2         363.3129         tau 2   51.90184
        Check
N/mm2           1          TRUE
                1          TRUE
N/mm2
N/mm2
N/mm2           0      FALSE
N/mm2           1       TRUE
N/mm2
N/mm2                       4.9
N/mm2           1          TRUE
N/mm2           1          TRUE
N/mm2
N/mm2                       4.9
Hprofil            70 mm                                           2 cordoane
e                19.7 mm                     Lsudura1          240       120
Aprofil         1880 mm2                     Lsudura2          240       120
                                             ls1               232 d               4 mm
Ncap            441.8 kN                     ls2               232 d               4 mm
Neff              200 kN
                      Nedeff      143.7143              f1         619.4581 N/mm    tau1    154.8645
Force fro Etabs       Nedeff      56.28571              f2         242.6108         tau 2   60.65271
              Check
N/mm2                 1          TRUE
                      1          TRUE
N/mm2
N/mm2
N/mm2                 0      FALSE
N/mm2                 1       TRUE
N/mm2
N/mm2                             4.9
N/mm2                 0      FALSE
N/mm2                 0      FALSE
N/mm2
N/mm2                             4.9
Hprofil            50 mm                                            2 cordoane
e                  14 mm                      Lsudura1          220       110
Aprofil           960 mm2                     Lsudura2          220       110
                                              ls1               214 d               3 mm
Ncap            225.6 kN                      ls2               214 d               3 mm
Neff              180 kN
                      Nedeff          129.6              f1         605.6075 N/mm    tau1    201.8692
Force fro Etabs       Nedeff           50.4              f2          235.514         tau 2   78.50467
              Check
N/mm2                 1          TRUE
                      1          TRUE
N/mm2
N/mm2
N/mm2                 0      FALSE
N/mm2                 1       TRUE
N/mm2
N/mm2                             4.9
N/mm2                 1          TRUE
N/mm2                 1          TRUE
N/mm2
N/mm2                             4.9
N=
lf=          11000
imin=           44
tv 152.4x4
A             1860
I          5140000
W=           67400
i=             52.5
           Materiale:
           bpl.ech=Eb/Eo*1m= 147.619 mm
                  Evaloare incarcarii din zapada:
s= 1.76 kN/m2
      A) z=b=          21    m
          √β =        2.12            presiune:   cpe= 0.8                         2.3032397
         Iv(z)=   0.27853301                       we= 0.59057 kPa
       cpq(z)=    2.94973107
      kr^2(z)=       0.054            suctiune    cpe= -0.3                             -1.17
      cr^2(z)=    0.50053231                       we= -0.22147 kPa               -0.8637149
           qb=        0.5    kPa
        qm(z)=    0.25026616 kPa
         qp(z)=   0.73821786 kPa
       B) z=h=      42.9   m
          √β =      2.12              presiune:   cpe= 0.8                              3.12
         Iv(z)= 0.22559961                         we= 0.78714 kPa                 3.0698556
       cpq(z)= 2.57919724
      kr^2(z)=     0.054              suctiune    cpe= -0.3                             -1.17
      cr^2(z)= 0.76297234                          we= -0.29518 kPa               -1.1511958
           qb=      0.5    kPa
qm(z)= 0.38148617 kPa
 qp(z)= 0.98392808 kPa
Cazul 2: Vantul bate pe directia ox ( perpendicular pe planul longitudinal);
  z=b=           42.9   m
     √β =        2.12           presiune:   cpe= 0.8
    Iv(z)=   0.22559961                      we= 0.78714 kPa                   3.0698556
  cpq(z)=    2.57919724
 kr^2(z)=       0.054           suctiune    cpe= -0.3                                -1.17
 cr^2(z)=    0.76297234                      we= -0.29518 kPa                  -1.1511958
      qb=        0.5    kPa
   qm(z)=    0.38148617 kPa
    qp(z)=   0.98392808 kPa
            Dimensionarea contravantuirilor
   Ned=        660   kN
                               160 275   => A=       6570        mm2
    Lcr=      5      m                   => I=         35980000 mm4
      iy=74.0027561 mm                                 31818000
       λ= 67.5650511                  α= 0.49    curba c
     λ1=  69.0265086                  φ= 1.16986
λ.barat=  0.97882759                 X= 0.55232              1
 Nb.Rd=    997.90053 kN     Ned/Nb.Rd=   0.66139
          3271.21338                             4345.32287434
Etajele E4-E7
   Ned=       2000   kN
                               360 275   => A=      14300          mm2
    Lcr=     7.8     m                   => I=                    mm4
      iy=    74.3    mm
       λ= 104.979812                 α= 0.34    curba B
     λ1= 86.8148839                  φ= 1.4027
λ.barat= 1.20923748                  X= 0.47314
 Nb.Rd= 1860.6162 kN         Ned/Nb.Rd= 1.07491
Etajele E8-E10
   Ned=       2000   kN
                               400 275   => A=      15900          mm2
    Lcr=     7.8    m                    => I=         73400000 mm4
      iy=   73.4    mm
       λ= 106.26703                  α= 0.34    curba B
     λ1= 86.8148839                  φ= 1.42326
λ.barat= 1.22406464                  X= 0.46524
 Nb.Rd= 2034.25776 kN        Ned/Nb.Rd= 0.98316
                Verificarea la drift (SLS)
directia x                                               Het=   3.9 m
    Etaj              d.rel        q          ν           dre d.adm
    E10                0.000482                          0.001 0.008
     E9                0.001352                          0.004 0.008
     E8                0.001818                          0.005 0.008
     E7                0.002045                          0.006 0.008
     E6                0.001988                          0.006 0.008
     E5                0.002086    6         0.5         0.006 0.008
     E4                0.002146                          0.006 0.008
     E3                0.002103                          0.006 0.008
     E2                0.001896                          0.006 0.008
     E1                0.001761                          0.005 0.008
     P                 0.001185                          0.004 0.008
 0.009
 0.008
 0.007
 0.006
 0.005
                                                                               d.adm
 0.004
                                                                               dre
 0.003
 0.002
 0.001
     0
          E10    E9     E8    E7   E6   E5   E4     E3    E2    E1       P
Structura contravantuita:
Structura necontravantuita:
                                                  1386.1
Imbinare cv 250x10
Tronson inferior         250x10
Tronson superior         250x10
         Ft   1324.40 kN
         FI              kN
                    0
A) Imbinarea la nivelul talpii stalpului
Se propun 2 eclise cu urmatoarele dimensiuni:
         te        20 mm
         be        300 mm                     2*Ae             8520 mm^2 ≥ A se verifica
Suruburi alese
Se alege dispunerea de mai sus, cu suruburi grupa 10.9 , pretensionate la 50% din capacitate.
  dsurub    Grupa       fub         fyb
    24             8.8             800            640
.
αd 0.641 αd 1.032
    ab             0.64       ab             1.00
    k1              2.5       k1               2.5
   Fb,Rd   c
                 221.54      Fb,Rd   c
                                           345.60
   Fb,Rd   c
                2738.22
  Fb,Ed         1324.40 kN
Verificare        0.484 ≤1           → se verifica
ks=                1
n=                 1
u=                0.4   B
ϒm^3=            1.25
    Fpc        200.6691       kN
   Fs,Rd        64.2141 kN              0.436369
Verificare        2.292 ≤1           → nu se veriɸca
Imbinare grinda-stalp
Inbinarea grinda stalp are urmatoarea configuratie:
Elemente imbinate:
Grinda
Stalp
Caracteristicile suruburilor
  Surub
   M12
   M16
   M20
   M22
   M24
   M27
Suruburi alese
Se alege dispunerea de mai sus, cu suruburi grupa 10.9., pretensionate la 50% din capacitate.
   dsurub
    20
 ∑ hi2 =
  hmax =
    nv
   Nmax
   αv
  γm^2
   Fv,Rd
  Fed=
Verificare
b)Forta capabila la presiune pe gaura
αd
    ab
    k1
   Fb,Rdc
   Fb,Rdc
   Fb,Ed
Verificare
Suruburile vor fi solicitate doar la intindere si din acest motiv capacitatea va fi data de capacitatea
   Ft,Rd
    FEd
Verificare
d) Verif combinata
In final se obtin :
suruburi M20
    numar 0
                                 Imbinare cv 139.7x5
                                 Tronson inferior             139.7x5
                                 Tronson superior             139.7x5
                                             Ft   303.00 kN
                                             FI               kN
                                                          0
                                 A) Imbinarea la nivelul talpii stalpului
                                 Se propun 2 eclise cu urmatoarele dimensiuni:
                                             te       10 mm
                                             be      300 mm                     2*Ae
                                 Suruburi alese
sionate la 50% din capacitate.   Se alege dispunerea de mai sus, cu suruburi grupa 10.9 , pret
                                   dsurub    Grupa       fub         fyb
                                      20              8.8            800            640
                                 .
                                   αd            0.606       αd            0.659
fu               360
          Nbm=         3   3       ab             0.61       ab             0.66
mm        Nbi=         6           k1              2.5       k1               2.5
mm        NbT=         9          Fb,Rd   c
                                                 87.27      Fb,Rd   c
                                                                           94.91
                                  Fb,Rd   c
                                                364.36
                                 Fb,Ed          303.00 kN
                               Verificare        0.832 ≤1           → se verifica
                               ks=                1
                               n=                 1
                               u=                0.4   B
                               ϒm^3=            1.25
                                   Fpc        139.3535       kN
                                  Fs,Rd   44.59312 kN                  0.588688
                               Verificare     1.699 ≤1              → nu se veriɸca
                      Imbinare grinda-stalp
                      Inbinarea grinda stalp are urmatoarea configuratie:
                      Elemente imbinate:
                      Grinda
                      Stalp
                      Caracteristicile suruburilor
                        Surub
                         M12
                         M16
                         M20
                         M22
                         M24
                         M27
                      Suruburi alese
50% din capacitate.   Se alege dispunerea de mai sus, cu suruburi grupa 10.9., pretensionate l
                         dsurub
                          20
 ∑ hi2 =
  hmax =
    nv
   Nmax
   αv
  γm^2
   Fv,Rd
  Fed=
Verificare
b)Forta capabila la presiune pe gaura
αd
    ab
    k1
   Fb,Rdc
   Fb,Rdc
   Fb,Ed
Verificare
a fi data de capacitatea Suruburile vor fi solicitate doar la intindere si din acest motiv capacitate
                              Ft,Rd
                               FEd
                           Verificare
d) Verif combinata
                           In final se obtin :
                           suruburi M20
                               numar 0
                                                                   Imbinare cv 16
                                                                   Tronson inferior
                                                                   Tronson superior
                                                                             Ft
                                                                             FI
                                                                   Suruburi alese
s, cu suruburi grupa 10.9 , pretensionate la 50% din capacitate.   Se alege dispunerea de mai s
                                                                     dsurub
                                                                       24
                                                                   .
                                                                         αd
                                      fu               360
                                                Nbm=         2   3       ab
                                      mm        Nbi=         2           k1
                                      mm        NbT=         4          Fb,Rdc
                                                                        Fb,Rdc
                                                                       Fb,Ed
                                                                     Verificare
                                                                     ks=
                                                                     n=
                                                                     u=
                                                                     ϒm^3=
                                                                         Fpc
                                                                        Fs,Rd
 nu se veriɸca                                                       Verificare
                                                       Imbinare grinda-stalp
                                                       Inbinarea grinda stalp are urmatoarea c
                                                       Elemente imbinate:
                                                       Grinda
                                                       Stalp
                                                       Caracteristicile suruburilor
                                                         Surub
                                                          M12
                                                          M16
                                                          M20
                                                          M22
                                                          M24
                                                          M27
                                                       Suruburi alese
ri grupa 10.9., pretensionate la 50% din capacitate.   Se alege dispunerea de mai sus, cu suru
                                                          dsurub
                                                           20
 ∑ hi2 =
  hmax =
    nv
   Nmax
   αv
  γm^2
   Fv,Rd
  Fed=
Verificare
b)Forta capabila la presiune pe gaur
αd
    ab
    k1
   Fb,Rdc
   Fb,Rdc
   Fb,Ed
Verificare
e si din acest motiv capacitatea va fi data de capacitatea Suruburile vor fi solicitate doar la intind
                                                                Ft,Rd
                                                                 FEd
                                                             Verificare
d) Verif combinata
Fv/FvRd+Fm/Fmrd/1.
                                                             In final se obtin :
                                                             suruburi M20
                                                                 numar 0
Imbinare cv 160x5
Tronson inferior               160
Tronson superior               160
              900.00 kN
                          kN
                     0
A) Imbinarea la nivelul talpii stalpului
Se propun 2 eclise cu urmatoarele dimensiuni:
                    20 mm
                   300 mm                      2*Ae             8520 mm^2 ≥ A se verifica
Suruburi alese
Se alege dispunerea de mai sus, cu suruburi grupa 10.9 , pretensionate la 50% din capacitate.
            Grupa       fub         fyb
                    8.8             800            640
              0.513       αd            0.776
                                                                   fu               360
               0.51       ab             0.78                                Nbm=         3   3
                2.5       k1         1.530769                      mm        Nbi=         3
             177.23      Fb,Rd   c
                                       164.14                      mm        NbT=         6
            1024.10
             900.00 kN
              0.879 ≤1           → se verifica
              1
              1
             0.4   B
            1.25
          200.6691        kN
            64.2141 kN              0.428094
              2.336 ≤1           → nu se veriɸca
grinda-stalp
grinda stalp are urmatoarea configuratie:
sticile suruburilor
dispunerea de mai sus, cu suruburi grupa 10.9., pretensionate la 50% din capacitate.
 intre suruburi
xim suruburi
apabila la forfecare
apabila la intindere
e vor fi solicitate doar la intindere si din acest motiv capacitatea va fi data de capacitatea
               #DIV/0! ≤1       →     #DIV/0!
N=
lf=          17320
imin=         69.28
tv 152.4x4
A             1860
I          5140000
W=           67400
i=             52.5
N=
lf=             11000
imin=              44
tv 152.4x4
A             1860
I          5140000
W=           67400
i=             52.5
       Ned=     55         kN
                                          160 235     => A=          2390 mm2
     Lcr=        5.8    m                             => I=       1010000 mm4
       iy=    20.55709 mm
        λ=     282.141                             α= 0.49     curba A
      λ1=     93.91319                             φ= 5.699881
 λ.barat=     3.004275                             X= 0.094843           1
  Nb.Rd=      53.26857 kN               Ned/Nb.Rd=    1.032504
                 561.65                                        2467.683889
   Ned=        300         kN
                                         160 235      => A=           4030 mm2
    Lcr= 7.51 m                                       => I=       12970000 mm4
      iy= 56.7306 mm
       λ= 132.38                                  α= 0.34 curba A
     λ1= 93.913                                   φ= 1.69912
λ.barat= 1.4096                                   X= 0.37767         1
 Nb.Rd= 357.671 kN                      Ned/Nb.Rd=   0.83876
           947.05                                            3380.2042
S235         fy=   235   N/mm2         E= 210000 N/mm2
   Ned= 1290 kN
                                 235     => A=        9440 mm2
    Lcr= 9.86 m                          => I=    90550000 mm4
      iy= 97.9396 mm
       λ= 100.674                    α= 0.34 curba A
     λ1= 93.913                      φ= 1.22283
λ.barat=    1.072                    X= 0.55213         1
 Nb.Rd= 1224.85 kN         Ned/Nb.Rd=   1.05319
           2218.4                        0.5815 9942.0864
teava 139.7
   Ned= 1115 kN
                                 235     => A=        6570 mm2       22.61
    Lcr= 4.4 m                           => I=    35980000 mm4
      iy= 74.0028 mm
       λ= 59.4572                    α= 0.34 curba A
     λ1= 93.913                      φ= 0.77404
λ.barat= 0.63311                     X= 0.8201          1
 Nb.Rd= 1266.19 kN         Ned/Nb.Rd=    0.8806
          1543.95                       0.72217 5785.5096
  Ned=    300   kN
                            235     => A=         3070 mm2                  22.61
    Lcr=     7    m                 => I=     12250000 mm4
      iy= 63.1683 mm
       λ= 110.815                α= 0.34 curba A
     λ1= 93.913                  φ= 1.36277
λ.barat= 1.17998                 X= 0.48911         1
 Nb.Rd= 352.869 kN     Ned/Nb.Rd=   0.85017
           721.45                   0.41583 2610.0344
                                                        352.8689 543.4181
a=              9600 MM2
Ix         13420800 mm4
ix         37.38984 mm4
Lxx=             546 mm4
lambdax      14.6029
      φ=   109.5708        13420800
      X=   0.004584         2.44E+08
14998.79
a=             9600 MM2
Ix         13420800 mm4
ix         37.38984 mm4
Lxx=            546 mm4
lambdax     14.6029
     φ= 109.571            13420800
     X= 0.00458          2.44E+08
14998.79
14998.79
Ned= 288 kN
                                         Lcr= 5.6 m
a=            9600 MM2                     iy= 32.5427 mm
Ix        13420800 mm4                      λ= 172.082
ix        37.38984 mm4                    λ1= 93.913
Lxx=           546 mm4               λ.barat= 1.83235
lambdax    14.6029                    Nb.Rd= 165.396 kN
     φ= 109.571          13420800                676.8
     X= 0.00458           2.44E+08
          14998.79
a=            9600 MM2
Ix        13420800 mm4
ix        37.38984 mm4
Lxx=           546 mm4
lambdax    14.6029
     φ= 109.571          13420800
     X= 0.00458           2.44E+08
          14998.79                   900
                0.766044           842.6489
                0.642788
teava 1019
                                                                14998.79
150
MM2
mm4
mm4
mm4
      13420800
       2.44E+08
               Materiale:
               bpl.ech=Eb/Eo*1m=            147.619 mm
                    Evaloare incarcarii din zapada:
s= 1.76 kN/m2
    A) z=b=             21         m
          √β =         2.12                   presiune:     cpe=     0.8                     2.30324
        Iv(z)=   0.27853301                             we= 0.59057 kPa
      cpq(z)=    2.94973107
     kr^2(z)=       0.054              suctiune        cpe= -0.3                    -1.17
     cr^2(z)=    0.50053231                             we= -0.22147 kPa       -0.863715
          qb=        0.5    kPa
       qm(z)=    0.25026616 kPa
        qp(z)=   0.73821786 kPa
      B) z=h=      42.9     m
         √β =      2.12                 presiune:      cpe= 0.8                     3.12
        Iv(z)= 0.22559961                               we= 0.78714 kPa        3.069856
      cpq(z)= 2.57919724
    kr^2(z)=      0.054                 suctiune       cpe= -0.3                    -1.17
    cr^2(z)= 0.76297234                                 we= -0.29518 kPa       -1.151196
          qb=      0.5      kPa
       qm(z)= 0.38148617 kPa
        qp(z)= 0.98392808 kPa
Cazul 2: Vantul bate pe directia ox ( perpendicular pe planul longitudinal);
  z=b=              42.9    m
         √β =       2.12               presiune:       cpe= 0.8
        Iv(z)=   0.22559961                             we= 0.78714 kPa        3.069856
      cpq(z)=    2.57919724
     kr^2(z)=       0.054              suctiune        cpe= -0.3                    -1.17
     cr^2(z)=    0.76297234                             we= -0.29518 kPa       -1.151196
          qb=        0.5    kPa
       qm(z)=    0.38148617 kPa
        qp(z)=   0.98392808 kPa
Dimensionarea contravantuirilor
         Ned=       161     kN
                     pp.cv tvФ 323.9x25mm otel S 235    => A=        2090        mm2
          Lcr=        5.7     m                         => I=             57200 mm4
            iy=      52.3     mm
             λ=   108.986616                         α= 0.21     curba A
           λ1=    93.9131925                         φ= 1.27424
      λ.barat=    1.16050379                         X= 0.55541
       Nb.Rd=     272.791146 kN           Ned/Nb.Rd=      0.5902
Etajele E4-E7
         Ned=         20      kN
                     pp.cv tvФ 323.9x25mm otel S 235       => A=       1120          mm2
          Lcr=        1.1     m                            => I=             2640000 mm4
            iy=       10      mm
             λ=           110                         α=     0.21  curba A
           λ1=    93.9131925                          φ=   1.28795
      λ.barat=    1.17129444                          X=   0.54837
       Nb.Rd=     144.332249 kN               Ned/Nb.Rd=   0.13857
Etajele E8-E10
         Ned=        2300     kN
                     pp.cv tv φ219.1x25mm otel S 235       => A=       15200      mm2      Aleg Tv 168.3x25
          Lcr=       5.12     m                            => I=        73000000 mm4
            iy=      69.2     mm
             λ=   73.9884393                          α=     0.21  curba A
           λ1=    93.9131925                          φ=   0.87207
      λ.barat=    0.78783861                          X=   0.80258
       Nb.Rd=     2866.81209 kN               Ned/Nb.Rd=   0.80228
                                 6       0.5
         E8              0.001818                          0.005454    0.008
         E7              0.002045                          0.006135    0.008
         E6              0.001988                          0.005964    0.008
         E5              0.002086      6        0.5        0.006258    0.008
         E4              0.002146                          0.006438    0.008
         E3              0.002103                          0.006309    0.008
         E2              0.001896                          0.005688    0.008
         E1              0.001761                          0.005283    0.008
         P               0.001185                          0.003555    0.008
 0.009
 0.008
 0.007
 0.006
 0.005
                                                                                 d.adm
 0.004
                                                                                 dre
 0.003
 0.002
 0.001
     0
              E10   E9    E8     E7   E6   E5   E4    E3     E2   E1     P
                                            6         1.34125
     E8                0.001897                              0.015266         0.025
     E7                0.002127                              0.017117         0.025
     E6                0.002091                              0.016827         0.025
     E5                   0.0022          6          1.34125 0.017705         0.025
     E4                0.002274                               0.0183          0.025
     E3                0.002234                              0.017978         0.025
     E2                 0.00201                              0.016175         0.025
     E1                0.001877                              0.015105         0.025
     P                 0.001245                              0.010019         0.025
  0.03
 0.025
  0.02
 0.015                                                                                 d.adm
                                                                                       dre
  0.01
 0.005
    0
          E10   E9     E8      E7    E6        E5     E4    E3    E2    E1      P
             Dimensionarea link-ului OY
                                 - tabla sudata -
Structura contravantuita:
Structura necontravantuita:
STALPI MARGINALI
               Hetaj                3.90 m
       L  stanga
                   grinda           8.00 m
      Ldreaptagrinda               8.00 m
                  E              210000 N/mm^2
                 fyd                355 N/mm^2
                                               lf / Hetaj
     Nivel        Sectiune      lf [m]                      Ncr        λ              ɸ              x       λ LT         ɸlt              xlt
                                              [relativ]
      P            Tb900               5.76         1.476 346556462 0.2876954   0.5505923225982   0.980351 0.45138889 0.62827179784   0.938723003995
      E1          2HEB800              9.40         2.410 87713542 0.5201146    0.6688716531386    0.91791 0.45138889 0.62827179784   0.938723003995
      E2          2HEB800              8.77         2.248 100815971 0.4851407   0.6476205348231   0.928822 0.45138889 0.62827179784   0.938723003995
      E3          2HEB700              8.25         2.116 82603210 0.5131863    0.6645646798335   0.920129 0.45138889 0.62827179784   0.938723003995
      E4          2HEB700              8.61         2.208 75840896 0.5355769    0.6786568751186   0.912851 0.45138889 0.62827179784   0.938723003995
      E5          2HEB700              8.61         2.208 75840896 0.5355769    0.6786568751186   0.912851 0.45138889 0.62827179784   0.938723003995
      E6          2HEB700              8.32         2.133 81249888 0.5174426    0.6672048862944    0.91877 0.45138889 0.62827179784   0.938723003995
      E7          2HEB600              7.76         1.988 63592537 0.5490451    0.6873749647087   0.908317 0.45138889 0.62827179784   0.938723003995
      E8          2HEB600              7.96         2.040 60415256 0.5632974    0.6967982075357   0.903384 0.45138889 0.62827179784   0.938723003995
      E9          2HEB600              7.96         2.040 60415256 0.5632974    0.6967982075357   0.903384 0.45138889 0.62827179784   0.938723003995
     E10          2HEB600              7.10         1.820 75900801 0.50256      0.6580520475442   0.923476 0.45138889 0.62827179784   0.938723003995
Nivel   Sectiune   Nmax          M3         M2        NRk       M3Rk   M2Rk   Verificare   Verificare
            Hetaj           3.90 m
     Lstangagrinda          8.00 m
    Ldreaptagrinda         7.50 m
                E        210000 N/mm^2
               fyd          355 N/mm^2
                                            lf / Hetaj
     Nivel        Sectiune      lf [m]                     Ncr        λ             ɸ              x        λ LT         ɸlt              xlt
                                           [relativ]
      P            Tb900            6.40          1.641 280425345 0.3198241   0.5637252701761   0.972816 0.45138889 0.62827179784    0.938723003995
      E1          2HEB800          11.00          2.820 64074900 0.608539      0.728056463887    0.88673 0.45138889 0.62827179784    0.938723003995
      E2          2HEB800          10.18          2.609 74868353 0.5629674    0.6965777325407      0.9035 0.45138889 0.62827179784   0.938723003995
      E3          2HEB700           9.51          2.438 62183370 0.591475     0.7160262466766   0.893197 0.45138889 0.62827179784    0.938723003995
      E4          2HEB700           9.96          2.554 56683887 0.6195035    0.7359401373927   0.882449 0.45138889 0.62827179784    0.938723003995
      E5          2HEB700           9.96          2.554 56683887 0.6195035    0.7359401373927   0.882449 0.45138889 0.62827179784    0.938723003995
      E6          2HEB700           9.60          2.461 61043804 0.5969704    0.7198686862301   0.891139 0.45138889 0.62827179784    0.938723003995
      E7          2HEB600           8.87          2.274 48631128 0.6278471    0.7420199264323   0.879124 0.45138889 0.62827179784    0.938723003995
      E8          2HEB600           9.13          2.341 45894010 0.6462984    0.7557121105914   0.871555 0.45138889 0.62827179784    0.938723003995
      E9          2HEB600           9.13          2.341 45894010 0.6462984    0.7557121105914   0.871555 0.45138889 0.62827179784    0.938723003995
     E10          2HEB600           7.96          2.040 60415256 0.5632974    0.6967982075357   0.903384 0.45138889 0.62827179784    0.938723003995
Nivel   Sectiune   Nmax          M3         M2        NRk       M3Rk   M2Rk   Verificare   Verificare
            Hetaj              3.90 m
     Lstanga
               grinda          8.00 m
    Ldreaptagrinda            7.50 m
                E           210000 N/mm^2
               fyd             355 N/mm^2
                                            lf / Hetaj
     Nivel        Sectiune      lf [m]                     Ncr        λ             ɸ              x        λ LT         ɸlt              xlt
                                           [relativ]
      P            Tb900            6.40          1.641 280425345 0.3198241   0.5637252701761   0.972816 0.45138889 0.62827179784    0.938723003995
      E1          2HEB800          11.00          2.820 64074900 0.608539      0.728056463887    0.88673 0.45138889 0.62827179784    0.938723003995
      E2          2HEB800          10.18          2.609 74868353 0.5629674    0.6965777325407      0.9035 0.45138889 0.62827179784   0.938723003995
      E3          2HEB700           9.51          2.438 62183370 0.591475     0.7160262466766   0.893197 0.45138889 0.62827179784    0.938723003995
      E4          2HEB700           9.96          2.554 56683887 0.6195035    0.7359401373927   0.882449 0.45138889 0.62827179784    0.938723003995
      E5          2HEB700           9.96          2.554 56683887 0.6195035    0.7359401373927   0.882449 0.45138889 0.62827179784    0.938723003995
      E6          2HEB700           9.60          2.461 61043804 0.5969704    0.7198686862301   0.891139 0.45138889 0.62827179784    0.938723003995
      E7          2HEB600           8.87          2.274 48631128 0.6278471    0.7420199264323   0.879124 0.45138889 0.62827179784    0.938723003995
      E8          2HEB600           9.13          2.341 45894010 0.6462984    0.7557121105914   0.871555 0.45138889 0.62827179784    0.938723003995
      E9          2HEB600           9.13          2.341 45894010 0.6462984    0.7557121105914   0.871555 0.45138889 0.62827179784    0.938723003995
     E10          2HEB600           7.96          2.040 60415256 0.5632974    0.6967982075357   0.903384 0.45138889 0.62827179784    0.938723003995
Nivel   Sectiune   Nmax         M3          M2        NRk       M3Rk   M2Rk   Verificare   Verificare
Elemente imbinate:
Grinda         Tabla 700
Stalp          Tabla 900
Suruburi alese
Se alege dispunerea de mai sus, cu suruburi grupa 10.9., pretensionate la 50% din capacitate.
      dsurub         Grupa            fub         fyb
27   10.9   1000   900
Distante intre suruburi                                     Rand       p                           hi      hi2
                                                                   1     70 ok   surub marginal    70     4900
                                                                   2    100 ok   surub interior   170     28900
                                                                   3    155 ok   surub interior   325    105625
                                                                   4    140 ok   surub interior   465    216225
                                                                   5    210 ok   surub interior   675    455625
                                                                   6    140 ok   surub interior   815    664225
                                                                   7    155 ok   surub interior   970    940900
                                                                   8    100 ok   surub interior   1070   1144900
                                                                         70 ok   surub marginal
                                                                       1140
       αd                   0.960
       ab                   0.960 suruburi de capat
       ab                     1.0 suruburi interioare
       k1                     2.5 suruburi de capat                                e2                     75 mm
       k1                     2.5 suruburi interioare                              p2                155 mm
      Fb,Rdc             1750.00 kN
      Fb,Rdi             1822.50 kN
c)Forta capabila la intindere
       k2                     0.9
     γm^2                    1.25
      Ft,Rd               412.24 kN
Suruburile vor fi solicitate doar la intindere si din acest motiv capacitatea va fi data de capacitatea
      Ft,Rd               412.24 kN
       FEd                  31.45 kN
Verificare                  0.076 ≤1      →     se verifica
Verificare scaun de rezemare
               lscaun         300 mm                                Hscaun       120 mm
               tscaun          12 mm
Rfs   294.45 N/mm^2   capacitatea sudurii
Imi aleg un cordon de sudura:
              as                10 mm       ok
                   ls=2as+VEd/2asRfs
               ls,nec       89.62 mm          ok
In final se obtine un scaun din L120x120x12 si ls=120 mm
In final se obtin :
suruburi M            27
           numar 16
Elemente imbinate:
Grinda         Tabla 650
Stalp          HEB800
Suruburi alese
Se alege dispunerea de mai sus, cu suruburi grupa 10.9., pretensionate la 50% din capacitate.
      dsurub         Grupa            fub         fyb
       20                  10.9           1000        900
      αd                    1.296
      ab                    1.000 suruburi de capat
      ab                      1.0 suruburi interioare
       k1                     2.5 suruburi de capat                             e2   75 mm
       k1                     2.5 suruburi interioare                           p2   155 mm
     Fb,Rd   c
                       1350.00 kN
     Fb,Rdi            1350.00 kN
c)Forta capabila la intindere
       k2                     0.9
     γm^2                    1.25
      Ft,Rd                226.19 kN
Suruburile vor fi solicitate doar la intindere si din acest motiv capacitatea va fi data de capacitatea
      Ft,Rd                    226.19 kN
       FEd                     213.92 kN
Verificare                      0.946 ≤1   →    se verifica
Verificare scaun de rezemare
              lscaun              300 mm                              Hscaun     120 mm
              tscaun               12 mm
                Rfs            294.45 N/mm^2    capacitatea sudurii
              as        12 mm
             ns          4 numar cordoane de sudura
             Rfs    294.45 N/mm^2
           ls,nec    35.39 mm
              ls,eff     270 mm
In final se obtine urmatoarea imbinare:
                         Bolt        100 mm
                      Grupa         10.9
          Grosime piese imb.          35 mm
            Numar cordoane              4
     Lungime cordon sudura           270 mm
                          as          12 mm
Imbinare contravantuire
              as        12 mm
             ns          4 numar cordoane de sudura
             Rfs    294.45 N/mm^2
           ls,nec    25.42 mm
              ls,eff     250 mm
In final se obtine urmatoarea imbinare:
                         Bolt        100 mm
                      Grupa         10.9
          Grosime piese imb.          35 mm
            Numar cordoane              4
     Lungime cordon sudura           250 mm
                          as          12 mm
Imbinare stalp-stalp 2Tabla900-2HEB800
Suruburi alese
 Se alege dispunerea de mai sus, cu suruburi grupa 10.9 , pretensionate la 50% din capacitate.
      dsurub       Grupa          fub         fyb
       22              10.9           1000        900
.
Distante intre suruburi   Rand        p
                                  1        50 ok   surub marginal
                                  2        80 ok   surub interior
                                  3        80 ok   surub interior
                                  4        80 ok   surub interior
                                  5        80 ok   surub interior
                                  6       220 ok   surub interior
                                  7        80 ok   surub interior
                                  8        80 ok   surub interior
                                  9        80 ok   surub interior
                                 10        80 ok   surub interior
                                           50 ok   surub marginal
a)Forta capabila la forfecare
      αd             0.842
      ab             0.842 suruburi de capat
      ab                1.0 suruburi interioare
      k1                2.5 suruburi de capat                             e2   55 mm
      k1                2.5 suruburi interioare                           p2   190 mm
     Fb,Rdc        247.50 kN
    Fb,Ed          213.00 kN
  Verificare        0.861 ≤1      →     se verifica
                  45         mm
    Eclise
                  280        mm
Suruburi M        22
    Numar         10
Imbinare cv L120x10
Tronson inferior             L120x120
Tronson superior             L120x120
Suruburi alese
 Se alege dispunerea de mai sus, cu suruburi grupa 10.9 , pretensionate la 50% din capacitate.
      dsurub       Grupa          fub         fyb
       16               8.8           800         640
.
Distante intre suruburi        Rand   p
                          e1               40 ok      surub marginal
                          p1               60 ok      surub interior
                          e2               50 ok      surub interior
                          p2              185 ok      surub interior
                                              mareste surub interior
                                                      surub interior
                                                      surub interior
                                                      surub interior
                                                      surub interior
                                                      surub interior
                                                      surub marginal
a)Forta capabila la forfecare
      αd                0.741           αd            0.861
                                                                                                 fu          360
      ab                 0.74           ab             0.86                                           Nbm=         2
      k1                    2.5         k1              2.5                                      mm   Nbi=         10
     Fb,Rdc             85.33          Fb,Rdc         99.20                                      mm   NbT=         12
     Fb,Rd   c
                      1162.67
    Fb,Ed              620.40 kN
  Verificare            0.534 ≤1           →    se verifica
   A.Talpa
                      12          mm
    Eclise
                      300         mm
Suruburi M            16
    Numar              0
Suruburi alese
Se alege dispunerea de mai sus, cu suruburi grupa 10.9 , pretensionate la 50% din capacitate.
      dsurub      Grupa          fub                  fyb
       16              8.8                  800             640
.
                                                                                        360
        αv             0.5 sectiune forfecare prin sectiune nefiletata;
      γm^2            1.25
       Fv,Rd       208.46 kN
      Fv,Ed          96.51 kN
    Verificare       0.463 ≤1       →             se verifica
       αd            0.741       αd                     0.861
                                                                                              fu                 360
       ab             0.74       ab                         0.86                                          Nbm=         1
        k1             2.5       k1                          2.5                              mm          Nbi=         5
      Fb,Rd   c
                     85.33      Fb,Rd   c
                                                        99.20                                 mm          NbT=         6
      Fb,Rdc       581.33
                     Fb,Ed             579.04 kN
                   Verificare           0.996 ≤1      →   se verifica
                     B.INIMA
                                       10    mm
                      Eclise
                                       280   mm
                 Suruburi M            16
                     Numar              0
Imbinare grinda-stalp
Inbinarea grinda stalp are urmatoarea configuratie:
Elemente imbinate:
Grinda           HEA400
Stalp
Suruburi alese
Se alege dispunerea de mai sus, cu suruburi grupa 10.9., pretensionate la 50% din capacitate.
      dsurub         Grupa            fub         fyb
       20                   8.8           800         640
        k2                    0.9
      γm^2                   1.25
       Ft,Rd              180.96 kN
Suruburile vor fi solicitate doar la intindere si din acest motiv capacitatea va fi data de capacitatea
       Ft,Rd              180.96 kN
       FEd                464.67 kN
Verificare                 2.568 ≤1       →     nu se veriɸca
d) Verif combinata
In final se obtin :
suruburi M          20
           numar 10
Imbinare grinda-stalp
Inbinarea grinda stalp are urmatoarea configuratie:
Elemente imbinate:
Grinda         HEA500
Stalp
Suruburi alese
Se alege dispunerea de mai sus, cu suruburi grupa 10.9., pretensionate la 50% din capacitate.
      dsurub         Grupa            fub         fyb
       20                  10.9           400         600
        k2                    0.9
      γm^2                   1.25
       Ft,Rd                90.48 kN
Suruburile vor fi solicitate doar la intindere si din acest motiv capacitatea va fi data de capacitatea
       Ft,Rd                90.48 kN
       FEd                  50.00 kN
Verificare                  0.553 ≤1      →     se verifica
d) Verif combinata
In final se obtin :
suruburi M          20
           numar 3
PRIMELE 4 ETAJE ( P - E3)
  Ned=   700   kN
                                235     => A=   5510     mm2
    Lcr=      5.4 m                     => I=    7353000 mm4
      iy=    53.4 mm
       λ=   101.124                   α= 0.34 curba b
     λ1=    93.9132                   φ= 1.22878
λ.barat=    1.07678                   X= 0.54922
 Nb.Rd=     711.159 kN      Ned/Nb.Rd=   0.98431
            1294.85
   Ned=      370      kN
                                235     => A=   4000     mm2
    Lcr=     7.52 m                     => I=   16640000 mm4
      iy=    56.1 mm
       λ=   134.046                   α= 0.21 curba A
     λ1=    93.9132                   φ= 1.64753
λ.barat=    1.42734                   X= 0.4048
 Nb.Rd=     380.514 kN      Ned/Nb.Rd=   0.97237
               940
             h      bf    tf     tw      A        Wel         I     Suplete talpa
                                                                               Suplete inima
Sectiune
           [mm]   [mm]   [mm]   [mm]   [cm^2]    [cm3]      [cm4]     c/tf≤ 10ε hw/tw≤ 33ε
Table900    900    300    45     20    864.00   13395.00   602775.0       ok        ok
Imbinare cv L100x10
Tronson inferior        L100x10
Tronson superior        L100x10
Suruburi alese
 Se alege dispunerea de mai sus, cu suruburi grupa 10.9 , pretensionate la 50% din capacitate.
   dsurub     Grupa        fub         fyb
    16              8.8        800         640
.
Distante intre suruburi        Rand   p
                          e1               45 ok        surub marginal
                          p1               70 ok        surub interior
                          e2               35 ok        surub interior
                          p2              150 ok        surub interior
                                              mareste   surub interior
                                                        surub interior
                                                        surub interior
                                                        surub interior
                                                        surub interior
                                                        surub interior
                                                        surub marginal
a)Forta capabila la forfecare
    αd            0.833           αd          1.046
                                                                                     fu           510
    ab                0.83        ab           1.00                                        Nbm=         2
    k1                 2.5        k1             2.5                                 mm    Nbi=         8
  Fb,Rdc         163.20       Fb,Rdc         195.84                                  mm    NbT=         10
  Fb,Rdc        1893.12
  Fb,Ed          517.00 kN
Verificare        0.273 ≤1             → se verifica
 A.Talpa
                 12          mm
  Eclise
                300          mm
Suruburi M       16
 Numar           0
Suruburi alese
Se alege dispunerea de mai sus, cu suruburi grupa 10.9 , pretensionate la 50% din capacitate.
    dsurub      Grupa          fub           fyb
     16                 8.8          800           640
.
     αd            0.741       αd             0.861
                                                                              fu                360
     ab             0.74       ab              0.86                                      Nbm=         1
      k1                2.5    k1          2.188889                           mm         Nbi=         5
    Fb,Rd   c
                   85.33      Fb,Rd   c
                                              86.86                           mm         NbT=         6
    Fb,Rdc        519.61
  Fb,Ed             475.64 kN
Verificare           0.915 ≤1   → se verifica
B.INIMA
                    10    mm
  Eclise
                   280    mm
Suruburi M          16
 Numar              0
                                                               Eforturi de dimensionare
Elemente imbinate:                                                Aprofil         19800
Grinda       HEA                                                       AT         7560
Stalp                                                                  Ai         4680
                                                                                                   ab                0.75
a)Forta capabila la forfecare                                                                      k1                 2.5
                                                                                                 Fb,Rdc         530.94
                                                                                                 Fb,Rdc        4634.77
    αv               0.5 sectiune forfecare prin sectiune nefiletata;                            Fb,Ed         3690.23
  γm^2              1.25                                                                       Verificare        0.796
   Fv,Rd           65.14 kN
  Fed=             89.26                                                                        A.Talpa
Verificare         1.370 ≤1         → nu se veriɸca                                                             23
                                                                                                 Eclise
b)Forta capabila la presiune pe gaura                                                                          300
                                                                        e2          64.5       Suruburi M      36
                                                                        p2          185         Numar          0
    αd             1.019       αd          0.861
                                                                        fu          510        b) Imbinarea la nivelul inim
    ab              1.00       ab           0.86                             Nbm=          2   Se propun 2 eclise cu urmatoarele dimen
    k1               2.5       k1             2.5                       mm   Nbi=          0              te          30
   Fb,Rdc      195.84         Fb,Rdc      168.64                        mm   NbT=          2              be         300
   Fb,Rdc      391.68
   Fb,Ed       178.52 kN                                                                       Suruburi alese
Verificare      0.456 ≤1            → se verifica                                               Se alege dispunerea de mai sus, cu suru
                                                                                                  dsurub     Grupa
                                                                                                   27             10.9
                                                                                               .
c)Forta capabila la intindere
                                                                                               Distante intre suruburi
    k2               0.9
  γm^2              1.25
   Ft,Rd          117.26 kN
Suruburile vor fi solicitate doar la intindere si din acest motiv capacitatea va fi data de capacitatea
   Ft,Rd          117.26 kN
    FEd          #DIV/0! kN
Verificare       #DIV/0! ≤1     →     #DIV/0!
d) Verif combinata
                                                                                                          a)Forta capabila la forfecare
Fv/FvRd+Fm/Fmrd/1.4         #DIV/0! ≤1     →      #DIV/0!
                                                                                                              αv               0.5
                                                                                                            γm^2              1.25
                                                                                                             Fv,Rd       229.02
                                                                                                            Fv,Ed        219.82
                                                                                                          Verificare      0.960
In final se obtin :
suruburi M16                                                                                              b)Forta capabila la presiune pe gaura
    numar 4
                        4
                                                                                                             αd           1.149
                                                                                                             ab               1.00
Imbinare grinda-stalp                                                                                         k1               2.5
Inbinarea grinda stalp are urmatoarea configuratie:                                                         Fb,Rd   c
                                                                                                                         826.20
                                                                                                            Fb,Rdc      3105.37
                                                                                                            Fb,Ed       1318.91
                                                                                                          Verificare      0.425
                                                                                                          B.INIMA
                                                                                                                         30
                                                                                                            Eclise
                                                                                                                        280
                                                                                                          Suruburi M     27
                                                                                                           Numar         0
Elemente imbinate:
Grinda    HEA500
Stalp
Suruburi alese
Se alege dispunerea de mai sus, cu suruburi grupa 10.9., pretensionate la 50% din capacitate.
   dsurub     Grupa        fub        fyb
    42            10.9       1000         900
    k2                 0.9
  γm^2                1.25
   Ft,Rd          997.52 kN
Suruburile vor fi solicitate doar la intindere si din acest motiv capacitatea va fi data de capacitatea
   Ft,Rd          997.52 kN
    FEd           519.08 kN
Verificare         0.520 ≤1     → se verifica
d) Verif combinata
In final se obtin :
suruburi M42
    numar 20
Imbinare cv L50
Tronson inferior      L50x5
Tronson superior      L50x5
Suruburi alese
 Se alege dispunerea de mai sus, cu suruburi grupa 10.9 , pretensionate la 50% din capacitate.
   dsurub    Grupa       fub         fyb
    12            8.8        800         640
.
Distante intre suruburi        Rand   p
                          e1               35 ok        surub marginal
                          p1               50 ok        surub interior
                          e2               25 mareste   surub interior
                          p2              120 ok        surub interior
                                              mareste   surub interior
                                                        surub interior
                                                        surub interior
                                                        surub interior
                                                        surub interior
                                                        surub interior
                                                        surub marginal
a)Forta capabila la forfecare
    αd              0.833           αd          0.940
                                                                                     fu          510
    ab               0.83           ab           0.94                                     Nbm=         1
    k1                   2.5        k1             2.5                               mm   Nbi=         1
  Fb,Rdc            51.00       Fb,Rdc          57.56                                mm   NbT=         2
  Fb,Rd   c
                   108.56
  Fb,Ed              0.00 kN
Verificare          0.000 ≤1             → se verifica
 A.Talpa
                    5          mm
  Eclise
                   200         mm
Suruburi M         12
 Numar              0
Suruburi alese
Se alege dispunerea de mai sus, cu suruburi grupa 10.9 , pretensionate la 50% din capacitate.
    dsurub      Grupa         fub           fyb
     12             8.8             800           640
.
     αd           0.833       αd            0.940
                                                                              fu               510
     ab            0.83       ab              0.94                                      Nbm=         1
      k1            2.3       k1                  2.5                         mm        Nbi=         1
    Fb,Rd   c
                  46.92      Fb,Rd   c
                                            57.56                             mm        NbT=         2
    Fb,Rdc       104.48
                               Fb,Ed        46.20 kN
                             Verificare     0.442 ≤1      → se verifica
                             B.INIMA
                                           5     mm
                               Eclise
                                          280    mm
                             Suruburi M   12
                              Numar        0
                     bf          tf        tw
                     300        23         12
                     bf          tf        tw
                     300        14        8.5
                                                                                           Suruburi alese
e intre suruburi                             Rand       p                                  Se alege dispunerea de mai sus, cu suruburi grupa 10
                                        e1                   85 ok        surub marginal      dsurub      Grupa         fub
                                        p1                  100 ok        surub interior       12               10.9      1000
                                        e2                   80 ok        surub interior
                                        p2                  140 ok        surub interior   Distante intre suruburi
                                                                mareste   surub interior
                                                                          surub interior
                                                                          surub interior
                                                                          surub interior
                                                                          surub interior
                                                                          surub interior
                                                                          surub marginal
capabila la forfecare
                kN
                kN
                ≤1      → se verifica                                                       ∑ hi2 =             7225 mm^2
                                                                                             hmax =        80        mm
capabila la presiune pe gaura                                                                                 nv          2            numar randuri de suruburi
                                                                                                             Nmax             10.06 kN
                                                                                                              αd              0.000       αd
binarea la nivelul inimii
un 2 eclise cu urmatoarele dimensiuni:                                                                        ab                0.00      ab
                mm                                                                                            k1                 2.5      k1
                mm                 2*Ae          12780 mm^2 ≥ A se verifica                                  Fb,Rd   c
                                                                                                                                0.00     Fb,Rdc
                                                                                                             Fb,Rdc        206.40
                                                                                                             Fb,Ed             1.43 kN
e dispunerea de mai sus, cu suruburi grupa 10.9 , pretensionate la 50% din capacitate.                    Verificare          0.007 ≤1         →
                   fub         fyb
                        1000        900
              kN
              kN
              ≤1           → se verifica
                                                                                        In final se obtin :
capabila la presiune pe gaura                                                           suruburi M12
                                                                                            numar 4
                    αd            0.440
                                                             fu               510
                    ab             0.44                                Nbm=         2
                    k1               2.5                     mm        Nbi=         4   Imbinare grinda-stalp
                   Fb,Rd   c
                                 363.24                      mm        NbT=         6   Inbinarea grinda stalp are urmatoarea configuratie:
              kN
              ≤1           → se verifica
              mm
              mm
Elemente imbinate:
Grinda    HEA500
Stalp
Caracteristicile suruburilor
  Surub          dsurub      Grupa
      M12       12              10.9
      M16       16              10.9
      M20       20              10.9
      M22       22              10.9
      M24       24              10.9
      M27       27              10.9
Suruburi alese
Se alege dispunerea de mai sus, cu suruburi grupa 10
   dsurub      Grupa         fub
    30               10.9      1000
αd 0.729 αd
    ab                0.73        ab
    k1                 2.5        k1
   Fb,Rd   c
                 223.12        Fb,Rdc
   Fb,Rdc       3506.25
  Fb,Ed          657.80 kN
Verificare        0.188 ≤1             →
c)Forta capabila la intindere
    k2                   0.9
  γm^2                  1.25
   Ft,Rd              508.94 kN
   Ft,Rd              508.94 kN
    FEd               526.81 kN
Verificare             1.035 ≤1     →
d) Verif combinata
Fv/FvRd+Fm/Fmrd/1.4 0.978713
In final se obtin :
suruburi M30
    numar 12
Imbinare cv hea 160                                                                              Imbinare cv he
Tronson inferior      Hea 400                                                                    Tronson inferior
Tronson superior      Hea400                                                                     Tronson superior
    αd              2.037           αd          -0.250                                                         αd
                                                                                      fu          510
    ab               1.00           ab           -0.25                                     Nbm=         2      ab
    k1                   2.5        k1             2.5                                mm   Nbi=         0       k1
  Fb,Rd   c
                   326.40       Fb,Rd    c
                                                -81.60                                mm   NbT=         2     Fb,Rdc
  Fb,Rdc           652.80                                                                                     Fb,Rdc
  Fb,Ed            150.00 kN                                                                                  Fb,Ed
Verificare          0.230 ≤1             → se verifica                                                      Verificare
 A.Talpa                                                                                                     A.Talpa
                   20          mm
  Eclise                                                                                                      Eclise
                   160         mm
Suruburi M         16                                                                                       Suruburi M
 Numar              0                                                                                        Numar
     αd           0.714       αd            0.702                                                            αd
                                                                             fu               510
     ab            0.71       ab              0.70                                     Nbm=         2        ab
      k1            2.5       k1                  2.5                        mm        Nbi=         6         k1
    Fb,Rd   c
                 174.86      Fb,Rd   c
                                           171.94                            mm        NbT=         8       Fb,Rdc
    Fb,Rdc      1381.37                                                                                     Fb,Rdc
                     Fb,Ed           0.00 kN                     Fb,Ed
                   Verificare       0.000 ≤1   → se verifica   Verificare
                   B.INIMA                                     B.INIMA
                                20       mm
                     Eclise                                      Eclise
                                280      mm
                  Suruburi M    12                             Suruburi M
                   Numar         0                              Numar
                                                     Grosimea flansei
                       fub          fyb              tf,grinda    10        mm
                      1000         900               tf,stalp        10     mm
                      1000         900               tflansa         10     mm     ok
                      1000         900
                      1000         900
                      1000         900
                      1000         900
                                   Rand       p                                         hi    hi2
                                          1         0 mareste     surub marginal        85   7225
                                          2        85 ok          surub interior               0
                                                  100 ok          surub interior
                                                  100 ok
                                                      mareste
                                                      mareste
                                                      mareste
                                                      mareste                                 0
                                                      mareste
                                                                  surub interior
       numar randuri de suruburi
                 se verifica
la presiune pe gaura
                                                      e2          57.5
                                                      p2          185
                       1.774
                                                      fu          430
                        1.00                               Nbm=          2
                         2.5                          mm   Nbi=          2
                     103.20                           mm   NbT=          4
se verifica
                                                                             RE
olicitate doar la intindere si din acest motiv capacitatea va fi data de capacitatea
se verifica
≤1 → se verifica
1386.28
                                                     Grosimea flansei
                       fub          fyb              tf,grinda    23       mm
                      1000         900               tf,stalp        10    mm
                      1000         900               tflansa         25    mm      micsoreaza
                      1000         900
                      1000         900
                      1000         900
                      1000         900
                                   Rand       p                                       hi          hi2
                                          1        70 ok          surub marginal                   0
                                          3       145 ok          surub interior     145        21025
                                          4       100 ok          surub interior     245        60025
                                          5       120 ok          surub interior     365        133225
                                          6       100 ok          surub interior     465        216225
                                                  145 ok          surub interior     610        372100
                                                   70 ok
                                                      mareste                                     0
                                                      surub interior
                 se verifica
la presiune pe gaura
                                                      e2               57.5
                                                      p2               185
                       1.260
                                                      fu               510
                        1.00                                    Nbm=          2
                         2.5                          mm        Nbi=          10
                     306.00                           mm        NbT=          12
                 se verifica
olicitate doar la intindere si din acest motiv capacitatea va fi data de capacitatea
nu se veriɸca
                    ≤1     → se verifica
Imbinare cv hea 360                                                                                        Imbinare cv h
Tronson inferior             Heb800                                                                        Tronson inferior
Tronson superior             Heb800                                                                        Tronson superior
                   1.026         αd          1.032                                                           αd
                                                                                fu              430
                     1.00        ab           1.00                                       Nbm=         2      ab
                      2.5        k1             2.5                             mm       Nbi=         6       k1
                  309.60      Fb,Rd   c
                                            309.60                              mm       NbT=         8     Fb,Rdc
                2476.80                                                                                     Fb,Rdc
                2064.56 kN                                                                                  Fb,Ed
                  0.834 ≤1            → se verifica                                                       Verificare
                                                                                                           A.Talpa
                15          mm
                                                                                                            Eclise
               300          mm
                24                                                                                        Suruburi M
                0                                                                                          Numar
                  0.985       αd            0.962                                                            αd
                                                                             fu               430
                   0.98       ab              0.96                                     Nbm=         3        ab
                     2.5      k1                  2.5                        mm        Nbi=         6         k1
                 169.39      Fb,Rd   c
                                           165.48                            mm        NbT=         9       Fb,Rdc
                1501.09                                                                                     Fb,Rdc
1494.35 kN                     Fb,Ed
  0.996 ≤1   → se verifica   Verificare
                             B.INIMA
 10    mm
                               Eclise
280    mm
 20                          Suruburi M
 0                            Numar
Imbinare cv hea500                                                                              Imbinare cv he
Tronson inferior       Heb800                                                                   Tronson inferior
Tronson superior       Heb800                                                                   Tronson superior
               0.862          αd          0.612                                                           αd
                                                                            fu              510           ab
                0.86          ab           0.61                                      Nbm=         2       ab
                   2.5        k1             2.5                            mm       Nbi=         8        k1
              546.05      Fb,Rd    c
                                         387.70                             mm       NbT=         10       k1
            4193.68                                                                                      Fb,Rdc
            3368.06 kN                                                                                   Fb,Ed
              0.803 ≤1             → se verifica                                                       Verificare
                                                                                                        A.Talpa
             23          mm
                                                                                                         Eclise
             300         mm
             27                                                                                        Suruburi M
              0                                                                                         Numar
              1.026       αd            0.776                                                             αd
                                                                         fu               510
               1.00       ab              0.78                                     Nbm=         3         ab
                2.5       k1                  2.5                        mm        Nbi=         9          k1
             293.76      Fb,Rd   c
                                       227.85                            mm        NbT=         12       Fb,Rdc
            2931.95                                                                                      Fb,Rdc
2928.75 kN                     Fb,Ed
  0.999 ≤1   → se verifica   Verificare
                             B.INIMA
12     mm
                               Eclise
280    mm
24                           Suruburi M
 0                            Numar
Imbinare cv hea 200 altceva\                                                                    Imbinare cv hea 180
Tronson inferior       Heb800                                                                   Tronson inferior
Tronson superior       Heb800                                                                   Tronson superior
               0.589                                                                               αd             0.926
               0.589 suruburi de capat
                   0.6 suruburi interioare                                                         ab                 0.93
                   2.5 suruburi de capat                      e2       35 mm                        k1                 2.5
                   2.5 suruburi interioare                    p2       65 mm                      Fb,Rdc         101.93
              102.17 kN                                                                           Fb,Rdc         644.17
               76.27 kN                                                                           Fb,Ed          672.46
               0.746 ≤1      → se verifica                                                      Verificare        1.044
                                                                                                 A.Talpa
             8.5       mm                                                                                        8
                                                                                                  Eclise
             200       mm                                                                                       300
             20                                                                                 Suruburi M       16
              3                                                                                  Numar           0
                            B.INIMA
6.5   mm                                  6
                              Eclise
280   mm                                 280
16                          Suruburi M    16
 0                           Numar        0
inare cv hea 180                                                                                    Imbinare cv hea 400
                 Heb800                                                                             Tronson inferior           Heb800
                 Heb800                                                                             Tronson superior           Heb800
                                                                                                    Suruburi alese
e dispunerea de mai sus, cu suruburi grupa 10.9 , pretensionate la 50% din capacitate.               Se alege dispunerea de mai sus, cu suruburi grupa 10.9 , pretensionate la 5
                    fub        fyb                                                                     dsurub       Grupa         fub        fyb
                       1000            900                                                              24                10.9      1000         900
                                                                                                    .
e intre suruburi        Rand   p                                  Distante intre suruburi        Rand
                   e1               50       40 surub marginal                              e1
                   p1               70 ok       surub interior                              p1
                   e2               35 ok        surub interior                             e2
                   p2              110 ok        surub interior                             p2
                                       mareste   surub interior
                                                 surub interior
                                                 surub interior
                                                 surub interior
                                                 surub interior
                                                 surub interior
                                                 surub marginal
capabila la forfecare                                                                              a)Forta capabila la forfecare
                 sectiune forfecare prin sectiune nefiletata;                                          αv                  0.5 sectiune forfecare prin sectiune nefiletata;
                                                                                                     γm^2                 1.25
                kN                                                                                    Fv,Rd           293.15 kN
                kN                                                                                   Fv,Ed            280.19 kN
                ≤1         → se verifica                                                           Verificare          0.956 ≤1            → se verifica
                                                                                                    A.Talpa
                mm                                                                                                  15           mm
                                                                                                     Eclise
                mm                                                                                                 300           mm
                                                                                                   Suruburi M       24
                                                                                                    Numar           0
                                                                                                   Suruburi alese
e dispunerea de mai sus, cu suruburi grupa 10.9 , pretensionate la 50% din capacitate.             Se alege dispunerea de mai sus, cu suruburi grupa 10.9 , pretensionate la 5
                     fub           fyb                                                             dsurub      Grupa            fub          fyb
                       1000              900                                                        20                 10.9      1000              900
                                                                                               .
               sectiune forfecare prin sectiune nefiletata;                                          αv                 0.5 sectiune forfecare prin sectiune nefiletata;
                                                                                                   γm^2                1.25
               kN                                                                                   Fv,Rd         203.58 kN
               kN                                                                                Fv,Ed            196.63 kN
               ≤1           → se verifica                                                      Verificare          0.966 ≤1           → se verifica
                     B.INIMA
mm                                 11     mm
                       Eclise
mm                                280     mm
                     Suruburi M    20
                      Numar        0
                                                                 Imbinare cv hea 450
                                                                 Tronson inferior           Heb800
                                                                 Tronson superior           Heb800
                                                                 Suruburi alese
i grupa 10.9 , pretensionate la 50% din capacitate.               Se alege dispunerea de mai sus, cu suruburi grupa 10.9 , pretensionate la 50% din capacitate.
                                                                    dsurub       Grupa         fub        fyb
                                                                     24                10.9      1000         900
                                                                 .
p                                  Distante intre suruburi        Rand   p
     75       40 surub marginal                              e1               80       40 surub marginal
     90 ok       surub interior                              p1              100 ok       surub interior
     57 ok        surub interior                             e2               57 ok        surub interior
    180 ok        surub interior                             p2              180 ok        surub interior
        mareste   surub interior                                                 mareste   surub interior
                  surub interior                                                           surub interior
                  surub interior                                                           surub interior
                  surub interior                                                           surub interior
                  surub interior                                                           surub interior
                  surub interior                                                           surub interior
                  surub marginal                                                           surub marginal
                                                                 a)Forta capabila la forfecare
                                                                     αd                   1.026        αd          1.032
                                       fu              430                                                                                             fu           430
                                                Nbm=         2       ab                    1.00        ab           1.00                                     Nbm=
                                       mm       Nbi=         6       k1                     2.5        k1            2.5                               mm    Nbi=
                                       mm       NbT=         8     Fb,Rdc             309.60       Fb,Rdc         309.60                               mm    NbT=
                                                                   Fb,Rd   c
                                                                                     2476.80
                                                                   Fb,Ed             2477.48 kN
                                                                 Verificare            1.000 ≤1             → nu se veriɸca
                                                                  A.Talpa
                                                                                     15           mm
                                                                   Eclise
                                                                                    300           mm
                                                                 Suruburi M          24
                                                                  Numar              0
                                                                 Suruburi alese
i grupa 10.9 , pretensionate la 50% din capacitate.              Se alege dispunerea de mai sus, cu suruburi grupa 10.9 , pretensionate la 50% din capacitate.
                                                              dsurub      Grupa            fub          fyb
                                                               24                 10.9      1000              900
                                                          .
                                                               αd             1.026        αd           1.032
                               fu               430                                                                                       fu               430
                                         Nbm=         3        ab                 1.00     ab             1.00                                      Nbm=
                               mm        Nbi=         6         k1                 2.5     k1                 2.5                         mm        Nbi=
                               mm        NbT=         9       Fb,Rd   c
                                                                             237.36      Fb,Rd   c
                                                                                                       237.36                             mm        NbT=
                                                              Fb,Rdc        2136.24
  Fb,Ed       2044.90 kN
Verificare      0.957 ≤1   → se verifica
B.INIMA
             11.5    mm
  Eclise
             280     mm
Suruburi M    24
 Numar        0
6999.85
2
6
8
3
6
9
         Verificarea grinzilor cadrelor necontravantuite
                                                                                                                      Ved/Vpl
          Med        Wel       Mrd       Med/Mrd      L           V.GS      Ved       tw     d      tf      Vpl
Etaj
          [kN*m]     [mm3]     [kN*m]        [/]              [m]    [kN]      [kN]     [mm] [mm]    [mm]      [kN]
                                                                                                                         [/]
 P        1322.182             2498.999 0.52908464        8         93.74    556.16                                  0.214615
 E1       1642.351             2498.999 0.65720354        8         93.35    678.41                                   0.26179
                   7743377.19                                                          19    762     30     2591.431
 E2       1787.441             2498.999 0.71526279        8         93.42    734.56                                  0.283457
 E3       1690.851             2498.999 0.67661131        8         93.67    684.08                                  0.263978
 E4       1693.672            2205.01613 0.7680996        8         93.25    684.87                                   0.30074
 E5        1630.95            2205.01613 0.73965445       8         93.35    660.98                                  0.290249
                   6832444.35                                                          18    708     29     2277.285
 E6        1532.87            2205.01613 0.69517405       8         93.43    624.13                                  0.274068
 E7       1234.846            2205.01613 0.56001676       8         93.51    501.73                                  0.220319
 E8       1043.523            1931.94621 0.54014082       8         93.03    437.47                                   0.23812
 E9        684.562 5986312.2 1931.94621 0.35433802        8         92.74     297.8    17    608     28     1837.181 0.162096
E10        357.599            1931.94621 0.1850978        8         45.35    187.82                                  0.102233
                                                                                                     Ved/Vpl hw
             Med        Wel       Mrd       Med/Mrd      Ved        tw       d       tf    Vpl
Etaj
             [kN*m]     [mm3]     [kN*m]        [/]         [kN]      [mm]    [mm]    [mm]    [kN]
                                                                                                        [/]   [mm]
 P           1445.942            1819.69364 0.79460738     407.13                                   0.15711
 E1             1738             1819.69364 0.95510583      553.5                                   0.21359
                      7743377.19                                      19      762      30   2591.43           700
 E2           1664.91            1819.69364 0.91493973     517.46                                   0.19968
 E3          1588.479            1819.69364 0.8729376      528.44                                   0.20392
 E4          1491.396            1605.62442 0.92885732     500.43                                   0.21975
 E5           1337.87            1605.62442 0.83323969     450.93                                   0.19801
                      6832444.35                                      18      708      29   2277.28           650
 E6           1181.27            1605.62442 0.73570754     378.07                                   0.16602
 E7           962.148            1605.62442 0.59923603     313.68                                   0.13774
 E8            792.28            1406.78337 0.5631855      278.48                                   0.15158
 E9           495.509 5986312.2 1406.78337 0.35222836      218.05     17      608      28   1837.18 0.11869   600
E10           176.099            1406.78337 0.12517848      61.58                                   0.03352
                                                                                                           Ved/Vpl
       Med        Wel       Mrd       Med/Mrd      L             Ved         tw       d     tf   Vpl
Etaj                                                                                                                  hw
       [kN*m]     [mm3]     [kN*m]        [/]                [m]    [kN]       [mm]    [mm] [mm]    [kN]
                                                                                                              [/]
 E1    1445.942             2498.999 0.57860847        1.4         1943.42                                 0.749941
 E2        1738             2498.999 0.69547847        1.4         2374.24                                 0.916189
                7743377.19                                                     19      762    30   2591.43            700
 E3     1664.91             2498.999 0.66623076        1.4         2288.38                                 0.883056
 E4    1588.479             2498.999 0.63564611        1.4         2198.05                                 0.848199
 E5    1491.396            2205.01613 0.67636512       1.4         2069.03                                 0.908551
 E6     1337.87            2205.01613 0.60673933       1.4         1858.94                                 0.816297
                6832444.35                                                     18      708    29   2277.28            650
 E7     1181.27            2205.01613 0.53571944       1.4         1647.96                                 0.723651
 E8     962.148            2205.01613 0.43634511       1.4         1349.38                                 0.592539
 E9      792.28            1931.94621 0.41009423       1.4         1111.53                                 0.605019
E10      690.85 5986312.2 1931.94621 0.35759277        1.4        495.509      17      608    28   1837.18 0.269712   600
E11      265.01            1931.94621 0.13717256       1.4        176.099                                  0.095853
                                            Med/Mrd                                                                      Ved/Vpl
         Med           Wel      Mrd                     L           V.GS      Ved     tw       d       tf      Vpl
Etaj
         [kN*m]        [mm3]    [kN*m]                          [m]    [kN]      [kN]   [mm]    [mm]    [mm]      [kN]
                                                [/]                                                                         [/]
 P      1047.886                 2498.999   0.4193223       8         115       340.7                                   0.131472
 E1      1253.09                 2498.999   0.5014368       8         115      395.54                                   0.152634
                     7743377.19                                                         19      762     30     2591.431
 E2     1211.651                 2498.999   0.4848545       8         115      379.56                                   0.146467
 E3     1253.185                 2498.999   0.5014748       8         115      388.73                                   0.150006
 E4     1254.635                2205.0161   0.5689913       8         115      389.04                                   0.170835
 E5     1216.215                2205.0161   0.5515674       8         115      379.01                                   0.166431
                     6832444.35                                                         18      708     29     2277.285
 E6     1162.543                2205.0161   0.5272265       8         115      363.73                                   0.159721
 E7      963.971                2205.0161   0.4371719       8         115      307.33                                   0.134955
 E8      845.854                1931.9462   0.4378248       8         115        285                                    0.155129
 E9      512.761      5986312.2 1931.9462   0.2654116       8         115      187.27   17      608     28     1837.181 0.101933
E10      290.301                1931.9462   0.1502635       8         115      171.85                                    0.09354
                                                                                                       Ved/Vpl hw
         Med              Wel      Mrd         Med/Mrd Ved          tw       d       tf      Vpl
Etaj
         [kN*m]           [mm3]    [kN*m]          [/]    [kN]        [mm]    [mm]    [mm]      [kN]
                                                                                                          [/]    [mm]
 P      1331.967                   1819.6936   0.7319732   389.15                                     0.206227
 E1     1631.261                   1819.6936   0.8964482   533.03                                     0.282475
                        7743377.19                                    19      762     30       1887                 700
 E2     1543.778                   1819.6936   0.8483725   511.91                                     0.271282
 E3     1473.478                   1819.6936   0.8097396   449.83                                     0.238384
 E4     1380.266                   1605.6244   0.8596444   425.65                                     0.256687
 E5     1231.502                   1605.6244   0.7669926   381.58                                      0.23011
                        6832444.35                                    18      708     29     1658.248               650
 E6     1079.926                   1605.6244   0.6725894   317.55                                     0.191497
 E7      875.976                   1605.6244   0.5455672   261.34                                      0.1576
 E8      711.431                   1406.7834   0.5057147    230.8                                     0.172525
 E9      364.215         5986312.2 1406.7834   0.2588991   168.04     17      608     28     1337.778 0.125611      490
E10      386.185                   1406.7834   0.2745163    99.25                                      0.07419
                                                                                                               Ved/Vpl
       Med         Wel      Mrd         Med/Mrd L             Ved         tw         d       tf      Vpl
Etaj                                                                                                                     hw
       [kN*m]      [mm3]    [kN*m]          [/]           [m]    [kN]       [mm]      [mm]    [mm]      [kN]
                                                                                                                 [/]
 P     1841.9                2498.999   0.7370551   1.4        1337.97                                        0.516305
 E1    2286.98               2498.999   0.9151584   1.4       1640.996                                        0.633239
                 7743377.19                                                 19        762     30     2591.431            700
 E2    2187.11               2498.999   0.8751944   1.4       1565.087                                        0.603947
 E3    2099.01               2498.999   0.8399403   1.4       1495.339                                        0.577032
 E4    2023.16              2205.0161   0.9175262   1.4       1449.482                                        0.636496
 E5    1758.5               2205.0161   0.7974998   1.4       1250.373                                        0.549063
                 6832444.35                                                 18        708     29     2277.285            650
 E6    1547.93              2205.0161   0.7020039   1.4       1096.932                                        0.481684
 E7    1441.89              2205.0161   0.6539136   1.4       1026.747                                        0.450865
 E8    1261.61              1931.9462   0.6530254   1.4        890.103                                        0.484494
 E9    532.09     5986312.2 1931.9462   0.2754166   1.4         375.878     17        608     28     1837.181 0.204595   600
E10    596.63               1931.9462   0.3088233   1.4          402.64                                       0.219162
A=                    6624 MM2
Ix                11239424 mm4
ix            41.191903899 mm4
Lxx=                   459 mm4
λx=           11.142966373        0
λ1=           93.912972938
λbar=         0.1186520459
φ=            0.4932100018
X=            1.0288751954
Nef=                   330 kN
Ncap          1601.5882842
Verificare Strivire
N=     330 kN
B       50 mm
L      200 mm
Nef=    33 N/mm2
Fy     235 N/mm2