ST-Ar Galan
ST-Ar Galan
FB - 1
Input Parameters :
                                                                Sup     Mid
Standard Specs                  Moment Capacity                 Top     Bot                                            Shear Capacity
fc' = 21     Mpa                          Tension Bar, Dt   =    3       3                            bw =          250    mm fyt = 230
fy = 275 Mpa                          Tension Bar 2-L, Nb   =    3       3                             h =          400 mm Av = 2
b₁ = .85                   Compression Bar, Dc              =    3       3                            Sb =           10 mm Stirrups Bar Ø
Es = 200 Gpa                      Main Bar dia, D           =     16                                  Cc =           40 mm, Clear Covering
                                   Moment, Mu               = 76.0 65.0
CONDITION : Val = 0.65+0.25 (Ԑt - Ԑty/0.005 - Ԑty)
  Ø = 0.65 , Ԑt     ≤ Ԑty                                                        3-16mmØ                                               S
        Val , Ԑty ˂ Ԑt ˂ 0.005                                                   3-16mmØ                                               U
          0.90 , Ԑt      ≥ 0.005
                                                                                                                                       P
Location of d' & dt;                          Support       Midspan                                                                      T
      As1 =       π D² Db /4             =     603.19       603.19                                                                     P
  2L, As2 =       π D² Nb /4             =     603.19       603.19                                                                     O
        y = (As1 y1 +As2 y 2 )/As        =      30.00        30.00                3-16mmØ                                              R
        d' = Cc + Sb + (D/2) + y         =      88.00        88.00
       dt =          h - d'              =     312.00       312.00
CHECKING :       εt     ≥       0.004,        Support       Midspan
    Cmax =     600 d t / fsmin +600     =    133.7          133.71                                                                     M
    amax =          β1 Cmax             =    113.7          113.66                3-16mmØ
                                                                                                                                       I
   Asmax = 0.85f'c a max b w / fy       = 1844.35           1844.35
        a = (As fy- As' fy)/0.85 fc' b  =    74.34           74.34                                                                     D
       C=             a/β1              =    87.46           87.46                                                                     S
      fs' =       600 (C-d')/C          =     -3.69          -3.69
                                                                                                                                       P
      fs' = Compression Bars            = Not Yield         Not Yield             3-16mmØ
                  600 (dt-C)/C                                                    3-16mmØ
                                                                                                                                       A
       fs =                             = 1540.37           1540.37
       fs =      Tension Bars           =     Yield           Yield                                                                    N
BEAM MOMENT CAPACITY;                 Ø = 0.9                                 CHECK SHEAR;             Ø = 0.75
    As fy = 0.85fc' β1 C bw + As' fs'; Where, fs' = (600 C-d'/C)                    Vc =       0.17 √fc' bw dt           =    61 <      75.00
                                              Support       Midspan              Vsmax =       0.67 √fc' bw dt           =    239 KN
        C=         by quadratic         =       87.74        87.74                  Vs =        (Vu/Ø ) - Vc             =   39.24 <    239.49
        a=             β1 C             =       74.58        74.58                             Section is Adequate
      fs' =       600 (C-d')/C          =       -1.81        -1.81                  Av = 2 (π Sb²/4)=            157.1
       fs =      600 (dt-C)/C           =     1533.67       1533.67                           Vs ≤ 0.33√f'c bw d, d/2
                                                                                 Max S, w/c
     Mn = Cc[d t -(a/2)] + Cs (d t -d') =       91.18        91.18                              or 600mm otherwise
                                                                                   ever is
    SUPPORT, ØMn =         82.06        >       76.00        Pass!                             Vs > 0.33√f'c bw d,
                                                                                 lesser,mm
    MIDSPAN, ØMn =         82.06        >       65.00        Pass!                         d/4 or 300mm
                Therefore use 250x400with 8-16mmØ @ support and 8-16mmØ @ midspan Main Bars (Grade 40);
                             10mmØ 2 leg-stirrups: Sp. at 4@50, 4@70 and rest 200 O.C
                                             REINFORCED CONCRETE BEAM
                                                                            FB - 2
Input Parameters :
                                                                Sup         Mid
Standard Specs                  Moment Capacity                 Top         Bot                                            Shear Capacity
fc' = 21     Mpa                         Tension Bar, Dt =       3           3                            bw =          200    mm fyt = 230
fy = 275 Mpa                          Tension Bar 2-L, Nb =      2           2                             h =          400 mm Av = 2
b₁ = .85                   Compression Bar, Dc =                 3           3                            Sb =           10 mm Stirrups Bar Ø
Es = 200 Gpa                      Main Bar dia, D =                    16                                 Cc =           40 mm, Clear Covering
                                   Moment, Mu =                 67.0        62.0
CONDITION : Val = 0.65+0.25 (Ԑt - Ԑty/0.005 - Ԑty)
  Ø = 0.65 , Ԑt     ≤ Ԑty                                                            3-16mmØ                                               S
        Val , Ԑty ˂ Ԑt ˂ 0.005                                                       2-16mmØ                                               U
         0.90 , Ԑt          ≥ 0.005
                                                                                                                                           P
Location of d' & dt;                          Support    Midspan                                                                             T
      As1 =       π D² Db /4             =    603.19      603.19                                                                           P
  2L, As2 =       π D² Nb /4             =    402.12      402.12                                                                           O
        y = (As1 y1 +As2 y 2 )/As        =     24.00          24.00                   3-16mmØ                                              R
        d' = Cc + Sb + (D/2) + y         =     82.00          82.00
       dt =          h - d'              =    318.00      318.00
CHECKING :       εt     ≥       0.004,        Support    Midspan
    Cmax =     600 d t / fsmin +600     =    136.3        136.29                                                                           M
    amax =          β1 Cmax             =    115.8        115.84                      3-16mmØ
                                                                                                                                           I
   Asmax = 0.85f'c a max b w / fy       = 1503.85         1503.85
        a = (As fy- As' fy)/0.85 fc' b  =    77.44            77.44                                                                        D
       C=             a/β1              =    91.11            91.11                                                                        S
      fs' =       600  (C-d')/C         =    59.97            59.97
                                                                                                                                           P
      fs' = Compression Bars            = Not Yield       Not Yield                   2-16mmØ
                  600 (dt-C)/C                                                        3-16mmØ
                                                                                                                                           A
       fs =                             = 1494.27         1494.27
       fs =      Tension Bars           =     Yield           Yield                                                                        N
BEAM MOMENT CAPACITY;                 Ø = 0.9                                      CHECK SHEAR;            Ø = 0.75
    As fy = 0.85fc' β1 C bw + As' fs'; Where, fs' = (600 C-d'/C)                        Vc =       0.17 √fc' bw dt           =    50 <      75.00
                                              Support    Midspan                     Vsmax =       0.67 √fc' bw dt           =    195 KN
        C=         by quadratic         =      85.75          85.75                     Vs =        (Vu/Ø ) - Vc             =   50.45 <    195.27
       a=            β1 C               =      72.88          72.88                                Section is Adequate
      fs' =       600 (C-d')/C          =      26.22          26.22                     Av = 2 (π Sb²/4)=            157.1
       fs =      600 (dt-C)/C           =     1625.15     1625.15                                 Vs ≤ 0.33√f'c bw d, d/2
                                                                                     Max S, w/c
     Mn = Cc[d t -(a/2)] + Cs (d t -d') =      76.99          76.99                                 or 600mm otherwise
                                                                                       ever is
    SUPPORT, ØMn =         69.29        >      67.00          Pass!                                Vs > 0.33√f'c bw d,
                                                                                     lesser,mm
    MIDSPAN, ØMn =         69.29        >      62.00          Pass!                            d/4 or 300mm
                Therefore use 200x400with 7-16mmØ @ support and 7-16mmØ @ midspan Main Bars (Grade 40);
                             10mmØ 2 leg-stirrups: Sp. at 4@50, 4@70 and rest 200 O.C
                                            REINFORCED CONCRETE BEAM
                                                                       CB - 1
Input Parameters :
                                                               Sup     Mid
Standard Specs                 Moment Capacity                 Top     Bot                                            Shear Capacity
fc' = 21     Mpa                         Tension Bar, Dt   =    4       2                            bw =          200    mm fyt = 230
fy = 275 Mpa                         Tension Bar 2-L, Nb   =    2       1                             h =          350 mm Av = 2
b₁ = .85                   Compression Bar, Dc             =    2       6                            Sb =           10 mm Stirrups Bar Ø
Es = 200 Gpa                      Main Bar dia, D          =     16                                  Cc =           40 mm, Clear Covering
                                   Moment, Mu              = 54.0 36.0
CONDITION : Val = 0.65+0.25 (Ԑt - Ԑty/0.005 - Ԑty)
  Ø = 0.65 , Ԑt     ≤ Ԑty                                                       4-16mmØ                                               S
        Val , Ԑty ˂ Ԑt ˂ 0.005                                                  2-16mmØ                                               U
         0.90 , Ԑt          ≥ 0.005
                                                                                                                                      P
Location of d' & dt;                         Support       Midspan                                                                      T
      As1 =       π D² Db /4            =     804.25       402.12                                                                     P
  2L, As2 =       π D² Nb /4            =     402.12       201.06                                                                     O
        y = (As1 y 1 +As2 y 2 )/As      =      20.00        20.00                2-16mmØ                                              R
        d' = Cc + Sb + (D/2) + y        =      78.00        78.00
       dt =          h - d'             =     272.00       272.00
CHECKING :       εt     ≥      0.004,        Support       Midspan
    Cmax =    600 d t / fsmin +600     =    116.6          116.57                                                                     M
    amax =          β1 Cmax            =     99.1           99.09                6-16mmØ
                                                                                                                                      I
   Asmax = 0.85f'c a max b w / fy =        1286.31         1286.31
        a = (As fy- As' fy)/0.85 fc' b =    92.93           46.46                                                                     D
       C=             a/β1             =   109.33           54.66                                                                     S
      fs' =       600 (C-d')/C         = 171.93            -256.15
                                                                                                                                      P
      fs' = Compression Bars = Not Yield                   Not Yield             1-16mmØ
                  600 (dt-C)/C                                                   2-16mmØ
                                                                                                                                      A
       fs =                            = 892.77            2385.54
       fs =      Tension Bars          =     Yield           Yield                                                                    N
BEAM MOMENT CAPACITY;                Ø = 0.9                                 CHECK SHEAR;             Ø = 0.75
    As fy = 0.85fc' β1 C bw + As' fs'; Where, fs' = (600 C-d'/C)                   Vc =       0.17 √fc' bw dt           =    42 <      75.00
                                             Support       Midspan              Vsmax =       0.67 √fc' bw dt           =    167 KN
        C=        by quadratic          =      95.11        72.54                  Vs =        (Vu/Ø ) - Vc             =   57.62 <    167.03
       a=            β1 C               =      80.85        61.66                             Section is Adequate
      fs' =       600 (C-d')/C          =     107.95        -45.20                 Av = 2 (π Sb²/4)=            157.1
       fs =      600 (dt-C)/C           =    1115.87       1649.92                           Vs ≤ 0.33√f'c bw d, d/2
                                                                                Max S, w/c
     Mn = Cc[d t -(a/2)] + Cs (d t -d') =      75.26        42.51                              or 600mm otherwise
                                                                                  ever is
    SUPPORT, ØMn =         67.73        >      54.00        Pass!                             Vs > 0.33√f'c bw d,
                                                                                lesser,mm
    MIDSPAN, ØMn =         38.26        >      36.00        Pass!                         d/4 or 300mm
               Therefore use 200x350with 8-16mmØ @ support and 5-16mmØ @ midspan Main Bars (Grade 40);
                            10mmØ 2 leg-stirrups: Sp. at 4@50, 4@60 and rest 150 O.C
                            REINFORCED CONCRETE DESIGN FOR SLAB
                                            S-1                       One-way slab
Input Parameters :
Analysis :
                   Therefore use, 100mm thick slab with 10mmØ Grade (33) rebar spaced @
              200mm at support, top bars / 200mm at midspan, bottom bars / 300mm Temp bars O.C
                                REINFORCED CONCRETE DESIGN FOR SLAB
                                             S-2                     Two-way Slab
Input Parameters :
                         Therefore use, 400x250mm 8-16mm Ø longitudinal bars (GRADE 40) with 10mm Ø lateral ties space at,
                                               1@50, 8@60mm , and Rest 100mm O.C, BOTH ENDS.
   3 - 16mm Ø                                                    b
                              3 - 16mm Ø
                                    h
  FORCE TRANSFER GUIDE FROM STAAD RESULT OR EQUIVALENT SOFTWARE
Mz (Staad) = Mux =           43     < 75.12           Pass!      , ex =83.98 mm
My (Staad) = Muy =           32     < 34.41           Pass!      , ey =62.5 mm
                          ØPnx = 894.46 > 512         Pass!                   > 894.5
                          ØPny = 550.53 > 512         Pass!      <               550.5
                                                                        , ex =       84.0
        Col Height, H =       3     Floor to Beam Bottom                , ey =       62.5
  Length factor, K =         0.5    Refer (Sheet 2)                                  34.4
                                                                                 <
   Column Slenderness (Unbraced Column, KL/r ≤ 22), 406.2.5
           KL/rx = 12.5 < 22         Ok!                                         12.50
             KL/ry = 20 < 22         Ok!                                         20.00
                                                                                  75.1
   Dimension Limits, 418.7.2.1
           250 mm     250                        Ok!
     Ratio Limit 0.4  0.63                       Ok!
Therefore use, 1.5x1.5x0.3m thick Footing with 16mmØ Tension Bar Grade (33) sp. @ 150.75mm and 150mm                                                                             3
                                              along BL respectively O.C.
                                                                                                                                                                                 3
                 PROPOSED ONE STOREY WITH DECK
                      STRUCTURAL ANALYSIS
Owner
DESIGNED BY:
ROCKY M. SIORES
Civil Engineer