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Steel Code Check

The document provides the steel code checking results for a project using midas Gen software, specifically following the AISC (15th edition) LRFD 16 standards. It includes detailed information on load combinations, member properties, material properties, and strength evaluations for a beam designated as W14X120. The analysis confirms that the axial and flexural strengths meet the required specifications, ensuring structural integrity.

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0% found this document useful (0 votes)
79 views22 pages

Steel Code Check

The document provides the steel code checking results for a project using midas Gen software, specifically following the AISC (15th edition) LRFD 16 standards. It includes detailed information on load combinations, member properties, material properties, and strength evaluations for a beam designated as W14X120. The analysis confirms that the axial and flexural strengths meet the required specifications, ensuring structural integrity.

Uploaded by

ccuno0800
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
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midas Gen Steel Code Checking Result

PROJECT TITLE :
Company Client
Author User File Name STEEL-PARKING-1.acs

------------------------------------------------------------------------------------------
midas Gen - Steel Code Checking[ AISC(15th)-LRFD16 ] Gen 2024
==========================================================================================

+============================================================+
| MIDAS(Modeling, Integrated Design & Analysis Software) |
| midas Gen - Design & checking system for windows |
+============================================================+
| Steel Member Applicable Code Checking |
| Based On Eurocode3:05, Eurocode3, AISC(15th)-LRFD16, |
| AISC(15th)-ASD16, AISC(14th)-LRFD10, |
| AISC(14th)-ASD10, AISC(13th)-LRFD05, |
| AISC(13th)-ASD05, AISC-LRFD2K, AISC-LRFD93, |
| AISC-ASD89, CSA-S16-01, BS5950-90, AIJ-ASD02, |
| GB50017-03, GBJ17-88, IS:800-2007, |
| IS:800-1984, KDS 41 30 : 2022, |
| KDS 41 31 : 2019, KSSC-LSD16, KSSC-LSD09, |
| KSSC-ASD03, AIK-LSD97, KSCE-ASD96, AIK-ASD83, |
| TWN-ASD96, TWN-LSD96, TWN-ASD90, TWN-LSD90, |
| NSCP 2015(LRFD), NSCP 2015(ASD) |
| |
| |
| (c)SINCE 1989 |
+============================================================+
| MIDAS Information Technology Co.,Ltd. (MIDAS IT) |
| MIDAS IT Design Development Team |
+============================================================+
| HomePage : www.MidasUser.com |
+============================================================+
| Gen 2024 |
+============================================================+

*. DEFINITION OF LOAD COMBINATIONS WITH SCALING UP FACTORS.


--------------------------------------------------------------------------------------
LCB C Loadcase Name(Factor) + Loadcase Name(Factor) + Loadcase Name(Factor)
--------------------------------------------------------------------------------------
1 1 DL( 1.400)
2 1 DL( 1.200) + WLX( 1.000)
3 1 DL( 1.200) + WLY( 1.000)
4 1 DL( 1.200) + WLX(-1.000)
5 1 DL( 1.200) + WLY(-1.000)
6 1 DL( 1.200) + ELX( 1.000)
7 1 DL( 1.200) + ELY( 1.000)
8 1 DL( 1.200) + ELX(-1.000)
9 1 DL( 1.200) + ELY(-1.000)
10 1 DL( 1.200) + RS_M(RS)( 1.000)
11 1 DL( 1.200) + RS_O(RS)( 1.000)
12 1 DL( 1.200) + RS_M(RS)(-1.000)
13 1 DL( 1.200) + RS_O(RS)(-1.000)
14 1 DL( 0.900) + WLX( 1.000)
15 1 DL( 0.900) + WLY( 1.000)
16 1 DL( 0.900) + WLX(-1.000)
17 1 DL( 0.900) + WLY(-1.000)
18 1 DL( 0.900) + ELX( 1.000)
19 1 DL( 0.900) + ELY( 1.000)
20 1 DL( 0.900) + ELX(-1.000)
21 1 DL( 0.900) + ELY(-1.000)
22 1 DL( 0.900) + RS_M(RS)( 1.000)
23 1 DL( 0.900) + RS_O(RS)( 1.000)
24 1 DL( 0.900) + RS_M(RS)(-1.000)

Modeling, Integrated Design & Analysis Software Print Date/Time : 05/14/2025 11:03
http://www.MidasUser.com
Gen 2024 - 1 / 22 -
midas Gen Steel Code Checking Result

PROJECT TITLE :
Company Client
Author User File Name STEEL-PARKING-1.acs

------------------------------------------------------------------------------------------
midas Gen - Steel Code Checking[ AISC(15th)-LRFD16 ] Gen 2024
==========================================================================================

25 1 DL( 0.900) + RS_O(RS)(-1.000)


26 2 DL( 1.000)
27 2 DL( 1.000) + WLX( 0.600)
28 2 DL( 1.000) + WLY( 0.600)
29 2 DL( 1.000) + WLX(-0.600)
30 2 DL( 1.000) + WLY(-0.600)
31 2 DL( 1.000) + ELX( 0.700)
32 2 DL( 1.000) + ELY( 0.700)
33 2 DL( 1.000) + ELX(-0.700)
34 2 DL( 1.000) + ELY(-0.700)
35 2 DL( 1.000) + RS_M(RS)( 0.700)
36 2 DL( 1.000) + RS_O(RS)( 0.700)
37 2 DL( 1.000) + RS_M(RS)(-0.700)
38 2 DL( 1.000) + RS_O(RS)(-0.700)
39 2 DL( 1.000) + WLX( 0.450)
40 2 DL( 1.000) + WLY( 0.450)
41 2 DL( 1.000) + WLX(-0.450)
42 2 DL( 1.000) + WLY(-0.450)
43 2 DL( 1.000) + ELX( 0.525)
44 2 DL( 1.000) + ELY( 0.525)
45 2 DL( 1.000) + ELX(-0.525)
46 2 DL( 1.000) + ELY(-0.525)
47 2 DL( 1.000) + RS_M(RS)( 0.525)
48 2 DL( 1.000) + RS_O(RS)( 0.525)
49 2 DL( 1.000) + RS_M(RS)(-0.525)
50 2 DL( 1.000) + RS_O(RS)(-0.525)
51 2 DL( 0.600) + WLX( 0.600)
52 2 DL( 0.600) + WLY( 0.600)
53 2 DL( 0.600) + WLX(-0.600)
54 2 DL( 0.600) + WLY(-0.600)
55 2 DL( 0.600) + ELX( 0.700)
56 2 DL( 0.600) + ELY( 0.700)
57 2 DL( 0.600) + ELX(-0.700)
58 2 DL( 0.600) + ELY(-0.700)
59 2 DL( 0.600) + RS_M(RS)( 0.700)
60 2 DL( 0.600) + RS_O(RS)( 0.700)
61 2 DL( 0.600) + RS_M(RS)(-0.700)
62 2 DL( 0.600) + RS_O(RS)(-0.700)
--------------------------------------------------------------------------------------

Modeling, Integrated Design & Analysis Software Print Date/Time : 05/14/2025 11:03
http://www.MidasUser.com
Gen 2024 - 2 / 22 -
midas Gen Steel Code Checking Result

PROJECT TITLE :
Company Client
Author User File Name STEEL-PARKING-1.acs

------------------------------------------------------------------------------------------
midas Gen - Steel Code Checking[ AISC(15th)-LRFD16 ] Gen 2024
==========================================================================================

*. PROJECT :
*. MEMBER NO = 136, ELEMENT TYPE = Beam
*. LOADCOMB NO = 9, MATERIAL NO = 1, SECTION NO = 1
*. UNIT SYSTEM : kN, m

*. SECTION PROPERTIES : Designation = W14X120


Shape = I - Section. (Rolled)
Depth = 0.368, Top F Width = 0.373, Bot.F Width = 0.373
Web Thick = 0.015, Top F Thick = 0.024, Bot.F Thick = 0.024

Area = 2.27741e-02, Asy = 1.18864e-02, Asz = 5.51934e-03


Ybar = 1.86690e-01, Zbar = 1.84150e-01, Qyb = 1.15289e-01, Qzb = 1.74266e-02
Syy = 3.11354e-03, Szz = 1.10613e-03, Zyy = 3.47406e-03, Zzz = 1.67148e-03
Iyy = 5.74399e-04, Izz = 2.06035e-04, Iyz = 0.00000e+00
ry = 1.58496e-01, rz = 9.49960e-02
J = 3.90009e-06, Cwp = 6.11036e-06

*. DESIGN PARAMETERS FOR STRENGTH EVALUATION :


Ly = 2.08333e+00, Lz = 2.08333e+00, Lu = 2.08333e+00
Ky = 1.00000e+00, Kz = 1.00000e+00

*. MATERIAL PROPERTIES :
Fy = 3.44738e+05, Es = 1.99948e+08, MATERIAL NAME = A992

*. DESCRIPTION OF APPLIED FACTOR FOR CHECKING.


Seismic Load Resisting System : SMF (Special Moment Frames).

======================================================================================
[[[*]]] COMPUTE MOMENT MAGNIFICATION FACTORS AND MAGNIFIED MOMENTS.
======================================================================================

( ). Compute moment magnification factors(B1y,B1z).


-. If tension or bending member.
-. Assumed B1y = 1.00
-. Assumed B1z = 1.00

( ). Magnification factors for sidesway moments(B2y,B2z).


-. B2y = 1.00 (Default value)
-. B2z = 1.00 (Default value)

Modeling, Integrated Design & Analysis Software Print Date/Time : 05/14/2025 11:03
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Gen 2024 - 3 / 22 -
midas Gen Steel Code Checking Result

PROJECT TITLE :
Company Client
Author User File Name STEEL-PARKING-1.acs

------------------------------------------------------------------------------------------
midas Gen - Steel Code Checking[ AISC(15th)-LRFD16 ] Gen 2024
==========================================================================================

( ). Given factored axial forces and moments at <J>.


----------------------------------------------------------------
Load Case Pa My Mz
----------------------------------------------------------------
DL 6.88 -0.57 -41.82
LL 0.00 0.00 0.00
DL+LL 6.88 -0.57 -41.82
OTHER CASES 7.20 -66.98 0.09
----------------------------------------------------------------
TOTAL 14.08 -67.55 -41.73
----------------------------------------------------------------

( ). Compute magnified moments.


-. Muy = B1y*My(DL+LL) + B2y*My(OTHERS) = -67.55 kN-m.
-. Muz = B1z*Mz(DL+LL) + B2z*Mz(OTHERS) = -41.73 kN-m.

======================================================================================
[[[*]]] CHECK AXIAL STRENGTH.
======================================================================================

( ). Check slenderness ratio of axial tension member (L/r).


[ AISC(15th) Specification D1. ]
-. L/r = 21.9 < 300.0 ---> O.K.

( ). Calculate axial tensile strength (phiPn).


[ AISC(15th) Specification D2. ]
-. Resistance factor for tension : phi = 0.90
-. phiPn = phi*Area*Fy = 7066.00 kN.

( ). Check ratio of axial strength (Pu/phiPn).


Pu 14.08
-. ------- = --------------- = 0.002 < 1.000 ---> O.K.
phiPn 7066.00

======================================================================================
[[[*]]] CHECK FLEXURAL STRENGTH ABOUT MAJOR AXIS.
======================================================================================

( ). Elastic section modulus refered to tension and compression flanges.


-. Syc = 0.0031 m^3.
-. Syt = 0.0031 m^3.

( ). Calculate limiting width-thickness ratio of flange for flexure.


[ AISC(15th) Specification B4. <Table B4.1b> ]
-. Lambda_p = 0.38*SQRT[Es/Fy] = 9.15
-. Lambda_r = 1.00*SQRT[Es/Fy] = 24.08

Modeling, Integrated Design & Analysis Software Print Date/Time : 05/14/2025 11:03
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Gen 2024 - 4 / 22 -
midas Gen Steel Code Checking Result

PROJECT TITLE :
Company Client
Author User File Name STEEL-PARKING-1.acs

------------------------------------------------------------------------------------------
midas Gen - Steel Code Checking[ AISC(15th)-LRFD16 ] Gen 2024
==========================================================================================

( ). Calculate limiting width-thickness ratio of web for flexure.


[ AISC(15th) Specification B4. <Table B4.1b> ]
-. Lambda_p = 3.76*SQRT[Es/Fy] = 90.55
-. Lambda_r = 5.70*SQRT[Es/Fy] = 137.27

( ). Calculate limiting width-thickness ratio of flange for compression in seismic provisions.


[ AISC(15th) Specification for Seismic provisions D1.1b. <Table D1.1> ]
-. Lambda_ps = 0.32*SQRT[Es/Fy] = 7.35

( ). Calculate limiting width-thickness ratio of web for flexural compression


in seismic provisions.
[ AISC(15th) Specification for Seismic provisions D1.1b. <Table D1.1> ]
Pu Pu
-. Ca = --------- = --------------- = 0.002
phic*Py phic*Ry*Fy*Ag
-. Lambda_ps = 2.57*SQRT[Es/(Ry*Fy)]*(1-1.04*Ca) = 61.78 (Ca < 0.114)

( ). Check width-thickness ratio of flange (BTR).


[ AISC(15th) Specification B4. <Table B4.1b> ]
-. BTR = 7.82 < Lambda_r = 24.08 ---> NON COMPACT.

( ). Check width-thickness ratio of web (DTR).


[ AISC(15th) Specification B4. <Table B4.1b> ]
-. DTR = 19.36 < Lambda_p = 61.78 ---> COMPACT.

( ). Calculate lateral-torsional buckling modification factor (Cb).


[ AISC(15th) Specification F1.(2) (F1-1) ]
-. Cb = 1.000 (User defined or default value)

--------------------------------------------------------------------------
[*] Check Flange Local Buckling (FLB).
--------------------------------------------------------------------------

( ). Calculate limiting width-thickness ratios for FLB.


[ AISC(15th) Specification for Seismic provisions D1.1b. <Table D1.1> ]
-. Lambda = b/t = 7.82
-. Lambda_pf = 7.35 (Seismically compact)
-. Lambda_rf = 24.08

( ). Calculate nominal flexural strength for Flange local buckling (FLB).


[ AISC(15th) Specification F3.2 (F3-1) ]
Lambda -Lambda_pf
-. Mn.FLB = Mp - (Mp-0.7*Fy*Syy)*------------------- = 1185.07 kN-m.
Lambda_rf-Lambda_pf

--------------------------------------------------------------------------
[*] Check Lateral-Torsional Buckling (LTB).
--------------------------------------------------------------------------

Modeling, Integrated Design & Analysis Software Print Date/Time : 05/14/2025 11:03
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Gen 2024 - 5 / 22 -
midas Gen Steel Code Checking Result

PROJECT TITLE :
Company Client
Author User File Name STEEL-PARKING-1.acs

------------------------------------------------------------------------------------------
midas Gen - Steel Code Checking[ AISC(15th)-LRFD16 ] Gen 2024
==========================================================================================

( ). Compute limiting laterally unbraced length for the limit state of yielding (Lp).
[ AISC(15th) Specification F2.2 (F2-5) ]
-. Lp = 1.76*rz*SQRT[Es/Fy] = 4.03 m.

( ). Calculate nominal flexural strength for Lateral-torsional buckling (LTB).


-. Lb < Lp ---> Lateral-torsional buckling is not applied.

( ). Compute flexural strength about major axis (phiMny).


-. Mny = Mn.FLB = 1185.07 kN-m.
-. Resistance factor for flexure : phi = 0.90
-. phiMny = phi*Mny = 1066.57 kN-m.

( ). Check ratio of flexural strength (Muy/phiMny).


Muy 67.55
-. -------- = --------------- = 0.063 < 1.000 ---> O.K.
phiMny 1066.57

======================================================================================
[[[*]]] CHECK FLEXURAL STRENGTH ABOUT MINOR AXIS.
======================================================================================

( ). Elastic section modulus refered to tension and compression flanges.


-. Syc = 0.0031 m^3.
-. Syt = 0.0031 m^3.

( ). Calculate limiting width-thickness ratio of flange for flexure.


[ AISC(15th) Specification B4. <Table B4.1b> ]
-. Lambda_p = 0.38*SQRT[Es/Fy] = 9.15
-. Lambda_r = 1.00*SQRT[Es/Fy] = 24.08

( ). Calculate limiting width-thickness ratio of flange for compression in seismic provisions.


[ AISC(15th) Specification for Seismic provisions D1.1b. <Table D1.1> ]
-. Lambda_ps = 0.32*SQRT[Es/Fy] = 7.35

( ). Check width-thickness ratio of flange (BTR).


[ AISC(15th) Specification B4. <Table B4.1b> ]
-. BTR = 7.82 < Lambda_r = 24.08 ---> NON COMPACT.

--------------------------------------------------------------------------
[*] Check Yielding (Y).
--------------------------------------------------------------------------

( ). Calculate nominal flexural strength for Yielding (Y).


[ AISC(15th) Specification F6.1 (F6-1) ]
-. Mn.Y = Mp = MIN[ Fy*Zzz, 1.6*Fy*Szz ] = 576.22 kN-m.

Modeling, Integrated Design & Analysis Software Print Date/Time : 05/14/2025 11:03
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Gen 2024 - 6 / 22 -
midas Gen Steel Code Checking Result

PROJECT TITLE :
Company Client
Author User File Name STEEL-PARKING-1.acs

------------------------------------------------------------------------------------------
midas Gen - Steel Code Checking[ AISC(15th)-LRFD16 ] Gen 2024
==========================================================================================

--------------------------------------------------------------------------
[*] Check Flange Local Buckling (FLB).
--------------------------------------------------------------------------

( ). Calculate limiting width-thickness ratios for FLB.


[ AISC(15th) Specification B4. <Table B4.1b> ]
-. Lambda = b/t = 7.82
-. Lambda_pf = 7.35
-. Lambda_rf = 24.08

( ). Calculate nominal flexural strength for Flange local buckling (FLB).


[ AISC(15th) Specification F6.2. (F6-2) ]
Lambda -Lambda_pf
-. Mn.FLB = Mp - (Mp-0.7*Fy*Szz) * ------------------- = 567.51 kN-m.
Lambda_rf-Lambda_pf

( ). Compute flexural strength about minor axis (phiMnz).


-. Mnz = MIN[ Mn.Y, Mn.FLB ] = 567.51 kN-m.
-. Resistance factor for flexure : phi = 0.90
-. phiMnz = phi*Mnz = 510.76 kN-m.

( ). Check ratio of flexural strength (Muz/phiMnz).


Muz 41.73
-. -------- = --------------- = 0.082 < 1.000 ---> O.K.
phiMnz 510.76

======================================================================================
[[[*]]] CHECK INTERACTION OF COMBINED STRENGTH.
======================================================================================

( ). Check interaction ratio of combined strength.


[ AISC(15th) Specification H1.1(b) ]
-. Pr/Pc < 0.20 ---> Formula(H1-1b)
Pr [ Mry Mrz ]
-. ComRat = ------ + [ ----- + ----- ]
2*Pc [ Mcy Mcz ]
=9.964e-04 + [ 0.063 + 0.082 ]
= 0.146 < 1.000 ---> O.K.

======================================================================================
[[[*]]] CHECK SHEAR STRENGTH.
======================================================================================

( ). Calculate the web shear buckling coefficient (Cv2).


[ AISC(15th) Specification G2.2 (G2-9) ]

Modeling, Integrated Design & Analysis Software Print Date/Time : 05/14/2025 11:03
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Gen 2024 - 7 / 22 -
midas Gen Steel Code Checking Result

PROJECT TITLE :
Company Client
Author User File Name STEEL-PARKING-1.acs

------------------------------------------------------------------------------------------
midas Gen - Steel Code Checking[ AISC(15th)-LRFD16 ] Gen 2024
==========================================================================================

-. for webs of all other doubly/singly symmetric shapes and channels.


-. kv (web plate buckling coefficient) = 1.20
-. h/tw = 7.819< 1.10*SQRT[kv*Es/Fy] = 29.020
-. Cv2 = 1.00

( ). Calculate shear strength in local-y direction (phiVny).


-. Aw = 0.02 m^2.
-. Vn = 0.6*Fy*Aw*Cv2 = 3687.9327 kN.
-. Resistance factor for shear : phi = 0.90
-. phiVny = phi*Vn = 3319.14 kN.

( ). Check ratio of shear strength (Vu/phiVn).


( LCB = 8, POS = J )
-. Applied shear force : Vuy = 43.98 kN.
Vuy 43.98
-. -------- = --------------- = 0.013 < 1.000 ---> O.K.
phiVny 3319.14

( ). Calculate shear strength coefficient (Cv1).


[ AISC(15th) Specification G2.1 (G2-2) ]
-. for Rolled H-Shape members.
-. h/tw = 19.356 < 2.24*SQRT[Es/Fy] = 53.946
-. Cv1 = 1.00

( ). Calculate shear strength in local-z direction (phiVnz).


-. Aw = 5.52e-03 m^2.
-. Vn = 0.6*Fy*Aw*Cv1 = 1141.6364 kN.
-. for webs of rolled H-shape members with h/tw < 2.24*SQRT[Es/Fy].
-. Resistance factor for shear : phi = 1.00
-. phiVnz = phi*Vn = 1141.64 kN.

( ). Check ratio of shear strength (Vu/phiVn).


( LCB = 9, POS = J )
-. Applied shear force : Vuz = 41.02 kN.
Vuz 41.02
-. -------- = --------------- = 0.036 < 1.000 ---> O.K.
phiVnz 1141.64

Modeling, Integrated Design & Analysis Software Print Date/Time : 05/14/2025 11:03
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Gen 2024 - 8 / 22 -
midas Gen Steel Code Checking Result

PROJECT TITLE :
Company Client
Author User File Name STEEL-PARKING-1.acs

------------------------------------------------------------------------------------------
midas Gen - Steel Code Checking[ AISC(15th)-LRFD16 ] Gen 2024
==========================================================================================

======================================================================================
[[[*]]] CHECK DEFLECTION.
======================================================================================

( ). Compute Maximum Deflection.


-. LCB = 36
-. DAF = 1.000 (Deflection Amplification Factor).
-. Def = 0.024 * DAF = 0.024m (Global Y)
-. Def_Lim = 0.010m
Def > Def_Lim ---> Not Acceptable !!!

Modeling, Integrated Design & Analysis Software Print Date/Time : 05/14/2025 11:03
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Gen 2024 - 9 / 22 -
midas Gen Steel Code Checking Result

PROJECT TITLE :
Company Client
Author User File Name STEEL-PARKING-1.acs

------------------------------------------------------------------------------------------
midas Gen - Steel Code Checking[ AISC(15th)-LRFD16 ] Gen 2024
==========================================================================================

*. PROJECT :
*. MEMBER NO = 391, ELEMENT TYPE = Beam
*. LOADCOMB NO = 7, MATERIAL NO = 1, SECTION NO = 2
*. UNIT SYSTEM : kN, m

*. SECTION PROPERTIES : Designation = W18X71


Shape = I - Section. (Rolled)
Depth = 0.470, Top F Width = 0.194, Bot.F Width = 0.194
Web Thick = 0.013, Top F Thick = 0.021, Bot.F Thick = 0.021

Area = 1.34838e-02, Asy = 5.32334e-03, Asz = 5.90805e-03


Ybar = 9.70280e-02, Zbar = 2.34950e-01, Qyb = 9.43194e-02, Qzb = 4.70722e-03
Syy = 2.08116e-03, Szz = 2.58916e-04, Zyy = 2.39251e-03, Zzz = 4.04760e-04
Iyy = 4.86991e-04, Izz = 2.50988e-05, Iyz = 0.00000e+00
ry = 1.90500e-01, rz = 4.31800e-02
J = 1.45265e-06, Cwp = 1.26682e-06

*. DESIGN PARAMETERS FOR STRENGTH EVALUATION :


Ly = 3.00000e-01, Lz = 3.00000e-01, Lu = 0.00000e+00
Ky = 1.00000e+00, Kz = 1.00000e+00

*. MATERIAL PROPERTIES :
Fy = 3.44738e+05, Es = 1.99948e+08, MATERIAL NAME = A992

*. DESCRIPTION OF APPLIED FACTOR FOR CHECKING.


Seismic Load Resisting System : SMF (Special Moment Frames).

======================================================================================
[[[*]]] COMPUTE MOMENT MAGNIFICATION FACTORS AND MAGNIFIED MOMENTS.
======================================================================================

( ). Compute moment magnification factors(B1y,B1z).


-. If tension or bending member.
-. Assumed B1y = 1.00
-. Assumed B1z = 1.00

( ). Magnification factors for sidesway moments(B2y,B2z).


-. B2y = 1.00 (Default value)
-. B2z = 1.00 (Default value)

Modeling, Integrated Design & Analysis Software Print Date/Time : 05/14/2025 11:03
http://www.MidasUser.com
Gen 2024 - 10 / 22 -
midas Gen Steel Code Checking Result

PROJECT TITLE :
Company Client
Author User File Name STEEL-PARKING-1.acs

------------------------------------------------------------------------------------------
midas Gen - Steel Code Checking[ AISC(15th)-LRFD16 ] Gen 2024
==========================================================================================

( ). Given factored axial forces and moments at <J>.


----------------------------------------------------------------
Load Case Pa My Mz
----------------------------------------------------------------
DL 0.00 62.12 -0.67
LL 0.00 0.00 0.00
DL+LL 0.00 62.12 -0.67
OTHER CASES 0.00 6.27 30.15
----------------------------------------------------------------
TOTAL 0.00 68.39 29.49
----------------------------------------------------------------

( ). Compute magnified moments.


-. Muy = B1y*My(DL+LL) + B2y*My(OTHERS) = 68.39 kN-m.
-. Muz = B1z*Mz(DL+LL) + B2z*Mz(OTHERS) = 29.49 kN-m.

======================================================================================
[[[*]]] CHECK AXIAL STRENGTH.
======================================================================================

( ). Check slenderness ratio of axial tension member (L/r).


[ AISC(15th) Specification D1. ]
-. L/r = 6.9 < 300.0 ---> O.K.

======================================================================================
[[[*]]] CHECK FLEXURAL STRENGTH ABOUT MAJOR AXIS.
======================================================================================

( ). Elastic section modulus refered to tension and compression flanges.


-. Syc = 0.0021 m^3.
-. Syt = 0.0021 m^3.

( ). Calculate limiting width-thickness ratio of flange for flexure.


[ AISC(15th) Specification B4. <Table B4.1b> ]
-. Lambda_p = 0.38*SQRT[Es/Fy] = 9.15
-. Lambda_r = 1.00*SQRT[Es/Fy] = 24.08

( ). Calculate limiting width-thickness ratio of web for flexure.


[ AISC(15th) Specification B4. <Table B4.1b> ]
-. Lambda_p = 3.76*SQRT[Es/Fy] = 90.55
-. Lambda_r = 5.70*SQRT[Es/Fy] = 137.27

( ). Calculate limiting width-thickness ratio of flange for compression in seismic provisions.


[ AISC(15th) Specification for Seismic provisions D1.1b. <Table D1.1> ]
-. Lambda_ps = 0.32*SQRT[Es/Fy] = 7.35

Modeling, Integrated Design & Analysis Software Print Date/Time : 05/14/2025 11:03
http://www.MidasUser.com
Gen 2024 - 11 / 22 -
midas Gen Steel Code Checking Result

PROJECT TITLE :
Company Client
Author User File Name STEEL-PARKING-1.acs

------------------------------------------------------------------------------------------
midas Gen - Steel Code Checking[ AISC(15th)-LRFD16 ] Gen 2024
==========================================================================================

( ). Calculate limiting width-thickness ratio of web for flexural compression


in seismic provisions.
[ AISC(15th) Specification for Seismic provisions D1.1b. <Table D1.1> ]
Pu Pu
-. Ca = --------- = --------------- = 0.000
phic*Py phic*Ry*Fy*Ag
-. Lambda_ps = 2.57*SQRT[Es/(Ry*Fy)]*(1-1.04*Ca) = 61.89 (Ca < 0.114)

( ). Check width-thickness ratio of flange (BTR).


[ AISC(15th) Specification B4. <Table B4.1b> ]
-. BTR = 4.72 < Lambda_p = 7.35 ---> COMPACT.

( ). Check width-thickness ratio of web (DTR).


[ AISC(15th) Specification B4. <Table B4.1b> ]
-. DTR = 32.48 < Lambda_p = 61.89 ---> COMPACT.

( ). Calculate lateral-torsional buckling modification factor (Cb).


[ AISC(15th) Specification F1.(2) (F1-1) ]
-. Cb = 1.000 (User defined or default value)

--------------------------------------------------------------------------
[*] Check Yielding (Y).
--------------------------------------------------------------------------

( ). Calculate nominal flexural strength for Yielding (Y).


[ AISC(15th) Specification F2.1 (F2-1) ]
-. Mn.Y = Mp = Fy*Zyy = 824.79 kN-m.

( ). Compute flexural strength about major axis (phiMny).


-. Mny = Mn.Y = 824.79 kN-m.
-. Resistance factor for flexure : phi = 0.90
-. phiMny = phi*Mny = 742.31 kN-m.

( ). Check ratio of flexural strength (Muy/phiMny).


Muy 68.39
-. -------- = --------------- = 0.092 < 1.000 ---> O.K.
phiMny 742.31

======================================================================================
[[[*]]] CHECK FLEXURAL STRENGTH ABOUT MINOR AXIS.
======================================================================================

( ). Elastic section modulus refered to tension and compression flanges.


-. Syc = 0.0021 m^3.
-. Syt = 0.0021 m^3.

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midas Gen - Steel Code Checking[ AISC(15th)-LRFD16 ] Gen 2024
==========================================================================================

( ). Calculate limiting width-thickness ratio of flange for flexure.


[ AISC(15th) Specification B4. <Table B4.1b> ]
-. Lambda_p = 0.38*SQRT[Es/Fy] = 9.15
-. Lambda_r = 1.00*SQRT[Es/Fy] = 24.08

( ). Calculate limiting width-thickness ratio of flange for compression in seismic provisions.


[ AISC(15th) Specification for Seismic provisions D1.1b. <Table D1.1> ]
-. Lambda_ps = 0.32*SQRT[Es/Fy] = 7.35

( ). Check width-thickness ratio of flange (BTR).


[ AISC(15th) Specification B4. <Table B4.1b> ]
-. BTR = 4.72 < Lambda_p = 7.35 ---> COMPACT.

--------------------------------------------------------------------------
[*] Check Yielding (Y).
--------------------------------------------------------------------------

( ). Calculate nominal flexural strength for Yielding (Y).


[ AISC(15th) Specification F6.1 (F6-1) ]
-. Mn.Y = Mp = MIN[ Fy*Zzz, 1.6*Fy*Szz ] = 139.54 kN-m.

--------------------------------------------------------------------------
[*] Check Flange Local Buckling (FLB).
--------------------------------------------------------------------------

( ). Calculate nominal flexural strength for Flange local buckling (FLB).


-. COMPACT flange ---> the limit state of flange local buckling is not applied.

( ). Compute flexural strength about minor axis (phiMnz).


-. Mnz = Mn.Y = 139.54 kN-m.
-. Resistance factor for flexure : phi = 0.90
-. phiMnz = phi*Mnz = 125.58 kN-m.

( ). Check ratio of flexural strength (Muz/phiMnz).


Muz 29.49
-. -------- = --------------- = 0.235 < 1.000 ---> O.K.
phiMnz 125.58

======================================================================================
[[[*]]] CHECK INTERACTION OF COMBINED STRENGTH.
======================================================================================

( ). Check interaction ratio of combined strength.


[ AISC(15th) Specification H1.1(b) ]
-. Pr/Pc < 0.20 ---> Formula(H1-1b)

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midas Gen - Steel Code Checking[ AISC(15th)-LRFD16 ] Gen 2024
==========================================================================================

Pr [ Mry Mrz ]
-. ComRat = ------ + [ ----- + ----- ]
2*Pc [ Mcy Mcz ]
= 0.000 + [ 0.092 + 0.235 ]
= 0.327 < 1.000 ---> O.K.

======================================================================================
[[[*]]] CHECK SHEAR STRENGTH.
======================================================================================

( ). Calculate the web shear buckling coefficient (Cv2).


[ AISC(15th) Specification G2.2 (G2-9) ]
-. for webs of all other doubly/singly symmetric shapes and channels.
-. kv (web plate buckling coefficient) = 1.20
-. h/tw = 4.716< 1.10*SQRT[kv*Es/Fy] = 29.020
-. Cv2 = 1.00

( ). Calculate shear strength in local-y direction (phiVny).


-. Aw = 7.99e-03 m^2.
-. Vn = 0.6*Fy*Aw*Cv2 = 1651.6430 kN.
-. Resistance factor for shear : phi = 0.90
-. phiVny = phi*Vn = 1486.48 kN.

( ). Check ratio of shear strength (Vu/phiVn).


( LCB = 9, POS = J )
-. Applied shear force : Vuy = 105.86 kN.
Vuy 105.86
-. -------- = --------------- = 0.071 < 1.000 ---> O.K.
phiVny 1486.48

( ). Calculate shear strength coefficient (Cv1).


[ AISC(15th) Specification G2.1 (G2-2) ]
-. for Rolled H-Shape members.
-. h/tw = 32.485 < 2.24*SQRT[Es/Fy] = 53.946
-. Cv1 = 1.00

( ). Calculate shear strength in local-z direction (phiVnz).


-. Aw = 5.91e-03 m^2.
-. Vn = 0.6*Fy*Aw*Cv1 = 1222.0381 kN.
-. for webs of rolled H-shape members with h/tw < 2.24*SQRT[Es/Fy].
-. Resistance factor for shear : phi = 1.00
-. phiVnz = phi*Vn = 1222.04 kN.

( ). Check ratio of shear strength (Vu/phiVn).


( LCB = 9, POS = I )
-. Applied shear force : Vuz = 45.53 kN.
Vuz 45.53
-. -------- = --------------- = 0.037 < 1.000 ---> O.K.
phiVnz 1222.04

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------------------------------------------------------------------------------------------
midas Gen - Steel Code Checking[ AISC(15th)-LRFD16 ] Gen 2024
==========================================================================================

======================================================================================
[[[*]]] CHECK DEFLECTION.
======================================================================================

( ). Compute Maximum Deflection.


-. LCB = 37
-. DAF = 1.000 (Deflection Amplification Factor).
-. Position = 1.500m From i-end(Node 61).
-. Def = 4.254e-04 * DAF =4.254e-04m (Global Z)
-. Def_Lim = 0.008m
Def < Def_Lim ---> O.K !

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midas Gen - Steel Code Checking[ AISC(15th)-LRFD16 ] Gen 2024
==========================================================================================

*. PROJECT :
*. MEMBER NO = 385, ELEMENT TYPE = Beam
*. LOADCOMB NO = 9, MATERIAL NO = 1, SECTION NO = 3
*. UNIT SYSTEM : kN, m

*. SECTION PROPERTIES : Designation = W14X61


Shape = I - Section. (Rolled)
Depth = 0.353, Top F Width = 0.254, Bot.F Width = 0.254
Web Thick = 0.010, Top F Thick = 0.016, Bot.F Thick = 0.016

Area = 1.15484e-02, Asy = 5.54838e-03, Asz = 3.36290e-03


Ybar = 1.27000e-01, Zbar = 1.76530e-01, Qyb = 8.63672e-02, Qzb = 8.06450e-03
Syy = 1.50925e-03, Szz = 3.52322e-04, Zyy = 1.67148e-03, Zzz = 5.37496e-04
Iyy = 2.66388e-04, Izz = 4.45368e-05, Iyz = 0.00000e+00
ry = 1.51892e-01, rz = 6.22300e-02
J = 9.11547e-07, Cwp = 1.26208e-06

*. DESIGN PARAMETERS FOR STRENGTH EVALUATION :


Ly = 5.10735e+00, Lz = 5.10735e+00, Lu = 5.10735e+00
Ky = 1.00000e+00, Kz = 1.00000e+00

*. MATERIAL PROPERTIES :
Fy = 3.44738e+05, Es = 1.99948e+08, MATERIAL NAME = A992

*. DESCRIPTION OF APPLIED FACTOR FOR CHECKING.


Seismic Load Resisting System : SMF (Special Moment Frames).

======================================================================================
[[[*]]] COMPUTE MOMENT MAGNIFICATION FACTORS AND MAGNIFIED MOMENTS.
======================================================================================

( ). Factored force/moments caused by unit load case.


*.Load combination ID = 9
-------------------------------------------------------------------------------
Load Case Pr Myi Myj Mzi Mzj
-------------------------------------------------------------------------------
DL -4.48 0.00 0.00 0.00 0.00
LL 0.00 0.00 0.00 0.00 0.00
DL+LL -4.48 0.00 0.00 0.00 0.00
OTHER CASES -380.95 0.00 0.00 0.00 0.00
-------------------------------------------------------------------------------
TOTAL -385.43 0.00 0.00 0.00 0.00
-------------------------------------------------------------------------------
*.Member end moments caused by gravity load(DL+LL).
My1G = 0.00, My2G = 0.00
Mz1G = 0.00, Mz2G = 0.00

( ). Compute coefficient assuming no lateral translation of the frame (Cmy, Cmz)


[ AISC(15th) Specification C2.1.1b. (C2-4) ]
-. Cmy = 1.000 (User defined or default value)

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midas Gen - Steel Code Checking[ AISC(15th)-LRFD16 ] Gen 2024
==========================================================================================

-. Cmz = 1.000 (User defined or default value)

( ). Compute moment magnification factors(B1y,B1z).


-. Pu = Pu(DL+LL) + Pu(WL(EL)) = 385.43 kN.
-. About major(Local-y) axis.
SLENy = Ky*Ly/ry = 33.62
Lambda = (SLENy/pi)*SQRT(Fy/Es) = 0.4444
Pey = (Area*Fy)/Lambda^2 = 20156.50 kN.
B1y = Cmy / (1-Pu/Pey) = 1.02
-. About minor(Local-z) axis.
SLENz = Kz*Lz/rz = 82.07
Lambda = (SLENz/pi)*SQRT(Fy/Es) = 1.0848
Pez = (Area*Fy)/Lambda^2 = 3383.33 kN.
B1z = Cmz / (1-Pu/Pez) = 1.13

( ). Magnification factors for sidesway moments(B2y,B2z).


-. B2y = 1.00 (Default value)
-. B2z = 1.00 (Default value)

( ). Given factored axial forces and moments at <1/2>.


----------------------------------------------------------------
Load Case Pa My Mz
----------------------------------------------------------------
DL -4.48 -3.41 0.00
LL 0.00 0.00 0.00
DL+LL -4.48 -3.41 0.00
OTHER CASES -380.95 0.00 0.00
----------------------------------------------------------------
TOTAL -385.43 -3.41 0.00
----------------------------------------------------------------

( ). Compute magnified moments.


-. Muy = B1y*My(DL+LL) + B2y*My(OTHERS) = -3.48 kN-m.
-. Muz = B1z*Mz(DL+LL) + B2z*Mz(OTHERS) = 0.00 kN-m.

======================================================================================
[[[*]]] CHECK AXIAL STRENGTH.
======================================================================================

( ). Check slenderness ratio of axial compression member (KL/r).


[ AISC(15th) Specification E2. ]
-. KL/r = 82.1 < 200.0 ---> O.K.

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------------------------------------------------------------------------------------------
midas Gen - Steel Code Checking[ AISC(15th)-LRFD16 ] Gen 2024
==========================================================================================

( ). Check width-thickness ratio of flange (BTR).


[ AISC(15th) Specification B4. <Table B4.1a> ]
-. Lambda_r = 0.56*SQRT[Es/Fy] = 13.49
-. BTR = bf/2tf = 7.75 < Lambda_r ---> NON-SLENDER SECTION !

( ). Check depth-thickness ratio of web (DTR).


[ AISC(15th) Specification B4. <Table B4.1a> ]
-. Lambda_r = 1.49*SQRT[Es/Fy] = 35.88
-. Dweb = H-tf1-tf2 = 0.29 m.
-. DTR = Dweb/tw = 30.45 < Lambda_r ---> NON-SLENDER SECTION !

( ). Calculate Flexural Buckling Stress (Fcr1).


[ AISC(15th) Specification E3 ]
pi^2 * E
-. Fe = ----------- = 292970.8871 KPa.
(Lc/r)^2
-. Lc/r = 82.072
-. 4.71 * SQRT[Es/Fy] = 113.432
-. Fy/Fe = 1.1767
-. When Lc/r < 4.71 * SQRT[Es/Fy]
-. Fcr1 = (0.658)^(Fy/Fe) * Fy = 210666.7871 KPa.

( ). Calculate axial compressive strength (phiPn).


[ AISC(15th) Specification E1. ]
-. Fcr = 210666.7871 KPa.
-. Resistance factor for compression : phi = 0.90
-. phiPn = phi*Area*Fcr = 2189.57 kN.

( ). Check ratio of axial strength (Pu/phiPn).


Pu 385.43
-. ------- = --------------- = 0.176 < 1.000 ---> O.K.
phiPn 2189.57

======================================================================================
[[[*]]] CHECK FLEXURAL STRENGTH ABOUT MAJOR AXIS.
======================================================================================

( ). Elastic section modulus refered to tension and compression flanges.


-. Syc = 0.0015 m^3.
-. Syt = 0.0015 m^3.

( ). Calculate limiting width-thickness ratio of flange for flexure.


[ AISC(15th) Specification B4. <Table B4.1b> ]
-. Lambda_p = 0.38*SQRT[Es/Fy] = 9.15
-. Lambda_r = 1.00*SQRT[Es/Fy] = 24.08

( ). Calculate limiting width-thickness ratio of web for flexure.


[ AISC(15th) Specification B4. <Table B4.1b> ]
-. Lambda_p = 3.76*SQRT[Es/Fy] = 90.55
-. Lambda_r = 5.70*SQRT[Es/Fy] = 137.27

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------------------------------------------------------------------------------------------
midas Gen - Steel Code Checking[ AISC(15th)-LRFD16 ] Gen 2024
==========================================================================================

( ). Calculate limiting width-thickness ratio of flange for compression in seismic provisions.


[ AISC(15th) Specification for Seismic provisions D1.1b. <Table D1.1> ]
-. Lambda_ps = 0.32*SQRT[Es/Fy] = 7.35

( ). Calculate limiting width-thickness ratio of web for flexural compression


in seismic provisions.
[ AISC(15th) Specification for Seismic provisions D1.1b. <Table D1.1> ]
Pu Pu
-. Ca = --------- = --------------- = 0.098
phic*Py phic*Ry*Fy*Ag
-. Lambda_ps = 2.57*SQRT[Es/(Ry*Fy)]*(1-1.04*Ca) = 55.60 (Ca < 0.114)

( ). Check width-thickness ratio of flange (BTR).


[ AISC(15th) Specification B4. <Table B4.1b> ]
-. BTR = 7.75 < Lambda_r = 24.08 ---> NON COMPACT.

( ). Check width-thickness ratio of web (DTR).


[ AISC(15th) Specification B4. <Table B4.1b> ]
-. DTR = 30.45 < Lambda_p = 55.60 ---> COMPACT.

( ). Calculate lateral-torsional buckling modification factor (Cb).


[ AISC(15th) Specification F1.(2) (F1-1) ]
-. Cb = 1.000 (User defined or default value)

--------------------------------------------------------------------------
[*] Check Flange Local Buckling (FLB).
--------------------------------------------------------------------------

( ). Calculate limiting width-thickness ratios for FLB.


[ AISC(15th) Specification for Seismic provisions D1.1b. <Table D1.1> ]
-. Lambda = b/t = 7.75
-. Lambda_pf = 7.35 (Seismically compact)
-. Lambda_rf = 24.08

( ). Calculate nominal flexural strength for Flange local buckling (FLB).


[ AISC(15th) Specification F3.2 (F3-1) ]
Lambda -Lambda_pf
-. Mn.FLB = Mp - (Mp-0.7*Fy*Syy)*------------------- = 571.11 kN-m.
Lambda_rf-Lambda_pf

--------------------------------------------------------------------------
[*] Check Lateral-Torsional Buckling (LTB).
--------------------------------------------------------------------------

( ). Compute limiting laterally unbraced length for the limit state of yielding (Lp).
[ AISC(15th) Specification F2.2 (F2-5) ]
-. Lp = 1.76*rz*SQRT[Es/Fy] = 2.64 m.

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------------------------------------------------------------------------------------------
midas Gen - Steel Code Checking[ AISC(15th)-LRFD16 ] Gen 2024
==========================================================================================

( ). Compute laterally unbraced length for the limit state of inelastic lateral-
torsional buckling (Lr).
[ AISC(15th) Specification F2.2 (F2-6) ]
[ SQRT[Rzz*Cw] ]
-. rts = SQRT[ ------------ ] = 0.07 m.
[ Syy ]
-. c = 1.00 (for a doubly symmetry H-Shape)
-. h0 = H - 0.5*(tf1+tf2) = 0.34 m. (distance between the flange centroid)
Es
-. X1 = ------ = 35.09
0.7Fy
J*c
-. X2 = ------ = 4.06
Syy*h0
-. Lr = 1.95*rts*X1 * SQRT[ X2 +SQRT[ X2^2 + 6.76*(1/X1)^2 ] ] = 8.37 m.

( ). Calculate nominal flexural strength for Lateral-torsional buckling (LTB).


[ AISC(15th) Specification F2.2 (F2-2) ]
-. Lp < Lb < Lr.
[ Lb-Lp ]
-. Mn = Cb *[ Mp - (Mp-0.7*Fy*Syy) * ------- ] = 484.96 kN-m.
[ Lr-Lp ]
-. Mn.LTB = MIN [ Mn, Mp ] = 484.96 kN-m.

( ). Compute flexural strength about major axis (phiMny).


-. Mny = MIN[ Mn.FLB, Mn.LTB ] = 484.96 kN-m.
-. Resistance factor for flexure : phi = 0.90
-. phiMny = phi*Mny = 436.46 kN-m.

( ). Check ratio of flexural strength (Muy/phiMny).


Muy 3.48
-. -------- = --------------- = 0.008 < 1.000 ---> O.K.
phiMny 436.46

======================================================================================
[[[*]]] CHECK FLEXURAL STRENGTH ABOUT MINOR AXIS.
======================================================================================

( ). Elastic section modulus refered to tension and compression flanges.


-. Syc = 0.0015 m^3.
-. Syt = 0.0015 m^3.

( ). Calculate limiting width-thickness ratio of flange for flexure.


[ AISC(15th) Specification B4. <Table B4.1b> ]
-. Lambda_p = 0.38*SQRT[Es/Fy] = 9.15
-. Lambda_r = 1.00*SQRT[Es/Fy] = 24.08

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------------------------------------------------------------------------------------------
midas Gen - Steel Code Checking[ AISC(15th)-LRFD16 ] Gen 2024
==========================================================================================

( ). Calculate limiting width-thickness ratio of flange for compression in seismic provisions.


[ AISC(15th) Specification for Seismic provisions D1.1b. <Table D1.1> ]
-. Lambda_ps = 0.32*SQRT[Es/Fy] = 7.35

( ). Check width-thickness ratio of flange (BTR).


[ AISC(15th) Specification B4. <Table B4.1b> ]
-. BTR = 7.75 < Lambda_r = 24.08 ---> NON COMPACT.

--------------------------------------------------------------------------
[*] Check Yielding (Y).
--------------------------------------------------------------------------

( ). Calculate nominal flexural strength for Yielding (Y).


[ AISC(15th) Specification F6.1 (F6-1) ]
-. Mn.Y = Mp = MIN[ Fy*Zzz, 1.6*Fy*Szz ] = 185.30 kN-m.

--------------------------------------------------------------------------
[*] Check Flange Local Buckling (FLB).
--------------------------------------------------------------------------

( ). Calculate limiting width-thickness ratios for FLB.


[ AISC(15th) Specification B4. <Table B4.1b> ]
-. Lambda = b/t = 7.75
-. Lambda_pf = 7.35
-. Lambda_rf = 24.08

( ). Calculate nominal flexural strength for Flange local buckling (FLB).


[ AISC(15th) Specification F6.2. (F6-2) ]
Lambda -Lambda_pf
-. Mn.FLB = Mp - (Mp-0.7*Fy*Szz) * ------------------- = 182.87 kN-m.
Lambda_rf-Lambda_pf

( ). Compute flexural strength about minor axis (phiMnz).


-. Mnz = MIN[ Mn.Y, Mn.FLB ] = 182.87 kN-m.
-. Resistance factor for flexure : phi = 0.90
-. phiMnz = phi*Mnz = 164.59 kN-m.

( ). Check ratio of flexural strength (Muz/phiMnz).


Muz 0.00
-. -------- = --------------- = 0.000 < 1.000 ---> O.K.
phiMnz 164.59

======================================================================================
[[[*]]] CHECK INTERACTION OF COMBINED STRENGTH.
======================================================================================

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Gen 2024 - 21 / 22 -
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------------------------------------------------------------------------------------------
midas Gen - Steel Code Checking[ AISC(15th)-LRFD16 ] Gen 2024
==========================================================================================

( ). Check interaction ratio of combined strength.


[ AISC(15th) Specification H1.1(b) ]
-. Pr/Pc < 0.20 ---> Formula(H1-1b)
Pr [ Mry Mrz ]
-. ComRat = ------ + [ ----- + ----- ]
2*Pc [ Mcy Mcz ]
= 0.088 + [ 0.008 + 0.000 ]
= 0.096 < 1.000 ---> O.K.

======================================================================================
[[[*]]] CHECK SHEAR STRENGTH.
======================================================================================

( ). Calculate the web shear buckling coefficient (Cv2).


[ AISC(15th) Specification G2.2 (G2-9) ]
-. for webs of all other doubly/singly symmetric shapes and channels.
-. kv (web plate buckling coefficient) = 1.20
-. h/tw = 7.752< 1.10*SQRT[kv*Es/Fy] = 29.020
-. Cv2 = 1.00

( ). Calculate shear strength in local-y direction (phiVny).


-. Aw = 8.32e-03 m^2.
-. Vn = 0.6*Fy*Aw*Cv2 = 1721.4623 kN.
-. Resistance factor for shear : phi = 0.90
-. phiVny = phi*Vn = 1549.32 kN.

( ). Check ratio of shear strength (Vu/phiVn).


( LCB = 25, POS = J )
-. Applied shear force : Vuy = 0.00 kN.
Vuy 0.00
-. -------- = --------------- = 0.000 < 1.000 ---> O.K.
phiVny 1549.32

( ). Calculate shear strength coefficient (Cv1).


[ AISC(15th) Specification G2.1 (G2-2) ]
-. for Rolled H-Shape members.
-. h/tw = 30.453 < 2.24*SQRT[Es/Fy] = 53.946
-. Cv1 = 1.00

( ). Calculate shear strength in local-z direction (phiVnz).


-. Aw = 3.36e-03 m^2.
-. Vn = 0.6*Fy*Aw*Cv1 = 695.5909 kN.
-. for webs of rolled H-shape members with h/tw < 2.24*SQRT[Es/Fy].
-. Resistance factor for shear : phi = 1.00
-. phiVnz = phi*Vn = 695.59 kN.

( ). Check ratio of shear strength (Vu/phiVn).


( LCB = 1, POS = J )
-. Applied shear force : Vuz = 3.12 kN.
Vuz 3.12
-. -------- = --------------- = 0.004 < 1.000 ---> O.K.
phiVnz 695.59

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