V. AISC 360-05 C Strong Axis Shear G.2
References
- Steel Construction Manual, Version 13.0, American Institute of Steel Construction, 2005
- Design Examples, Version 13.0, American Institute of Steel Construction, 2005, Example G.2, pp.G-5,6
Details
From reference (2):
Verify the shear strength of a C15×33.9 channel with end shears of 17.5 kips from dead load and 52.5 kips from live load.
Calculations
Validation
Refer to reference.
Results
| Result Type | Reference | STAAD.Pro | Difference | Comments |
|---|---|---|---|---|
| ϕvVn (kips) [LRFD] | 117 | 117 | none | |
| Vn/Ωv (kips) [ASD] | 77.8 | 77.6 | negligible |
Input
The file C:\Users\Public\Public Documents\STAAD.Pro 2026\Samples \Verification Models\09 Steel Design\US\AISC\AISC 360-05 C Strong Axis Shear G.2.STD is typically installed with the program.
STAAD
STAAD SPACE
START JOB INFORMATION
ENGINEER DATE 16-May-19
END JOB INFORMATION
INPUT WIDTH 79
UNIT FEET KIP
JOINT COORDINATES
1 0 0 0; 2 4 0 0;
MEMBER INCIDENCES
1 1 2;
DEFINE MATERIAL START
ISOTROPIC STEEL
E 4.176e+06
POISSON 0.3
DENSITY 0.489024
ALPHA 6.5e-06
DAMP 0.03
TYPE STEEL
STRENGTH RY 1.5 RT 1.2
END DEFINE MATERIAL
MEMBER PROPERTY AMERICAN
1 TABLE ST C15X33
CONSTANTS
MATERIAL STEEL ALL
SUPPORTS
1 FIXED BUT MZ
2 FIXED BUT FX MZ
LOAD 1 LOADTYPE Dead TITLE LOAD CASE 1
MEMBER LOAD
1 CON GY -35
LOAD 2 LOADTYPE Live TITLE LOAD CASE 2
MEMBER LOAD
1 CON GY -105
LOAD COMB 3 COMBINATION LOAD CASE 3
1 1.2 2 1.6
LOAD COMB 4 COMBINATION LOAD CASE 4
1 1.0 2 1.0
PERFORM ANALYSIS
UNIT INCHES KIP
LOAD LIST 3
PARAMETER 1
CODE AISC UNIFIED 2005
METHOD LRFD
FYLD 36 ALL
FU 58 ALL
TRACK 2 ALL
CHECK CODE ALL
LOAD LIST 4
PARAMETER 2
CODE AISC UNIFIED 2005
METHOD ASD
FYLD 36 ALL
FU 58 ALL
TRACK 2 ALL
CHECK CODE ALL
FINISH
Output
STAAD.PRO CODE CHECKING - (AISC-360-05-LRFD) v3.3a
********************************************
ALL UNITS ARE - KIP INCH (UNLESS OTHERWISE Noted)
MEMBER TABLE RESULT/ CRITICAL COND/ RATIO/ LOADING/
FX MY MZ LOCATION
=======================================================================
* 1 ST C15X33 (AISC SECTIONS)
FAIL Eq. H1-1b 1.547 3
0.00 0.00 -2520.00 24.00
|-----------------------------------------------------------------------|
| SLENDERNESS |
| Actual Slenderness Ratio : 53.432 L/C : 3 |
| Allowable Slenderness Ratio : 300.000 LOC : 24.00 |
|-----------------------------------------------------------------------|
| STRENGTH CHECKS |
| Critical L/C : 3 Ratio : 1.547(FAIL) |
| Loc : 24.00 Condition : Eq. H1-1b |
|-----------------------------------------------------------------------|
| DESIGN FORCES |
| Fx: 0.000E+00( ) Fy: 1.050E+02 Fz: 0.000E+00 |
| Mx: 0.000E+00 My: 0.000E+00 Mz: -2.520E+03 |
|-----------------------------------------------------------------------|
| SECTION PROPERTIES (UNIT: INCH) |
| Azz: 4.420E+00 Ayy: 6.000E+00 Cw: 3.555E+02 |
| Szz: 4.200E+01 Syy: 3.090E+00 |
| Izz: 3.150E+02 Iyy: 8.070E+00 Ix: 1.010E+00 |
|-----------------------------------------------------------------------|
| MATERIAL PROPERTIES |
| Fyld: 36.000 Fu: 58.000 |
|-----------------------------------------------------------------------|
| Actual Member Length: 48.000 |
| Design Parameters |
| Kz: 1.00 Ky: 1.00 NSF: 1.00 SLF: 1.00 CSP: 12.00 |
|-----------------------------------------------------------------------|
| SECTION CLASS UNSTIFFENED / λ λp λr CASE |
| STIFFENED |
| Compression : Non-Slender 5.23 N/A 15.89 T.B4.1-3 |
| Non-Slender 34.25 N/A 42.29 T.B4.1-10 |
| Flexure : Compact 5.23 10.79 28.38 T.B4.1-1 |
| Compact 34.25 106.72 161.78 T.B4.1-9 |
STAAD SPACE -- PAGE NO. 4
STAAD.PRO CODE CHECKING - (AISC-360-05-LRFD) v3.3a
********************************************
ALL UNITS ARE - KIP INCH (UNLESS OTHERWISE Noted)
|-----------------------------------------------------------------------|
| CHECK FOR AXIAL TENSION |
| |
| FORCE CAPACITY RATIO CRITERIA L/C LOC |
| Yield -0.00E+00 3.24E+02 0.000 Eq. D2-1 3 0.00 |
| Rupture -0.00E+00 4.35E+02 0.000 Eq. D2-2 3 0.00 |
|-----------------------------------------------------------------------|
| CHECK FOR AXIAL COMPRESSION |
| |
| FORCE CAPACITY RATIO CRITERIA L/C LOC |
| Maj Buck 0.00E+00 3.23E+02 0.000 Sec. E1 3 0.00 |
| Min Buck 0.00E+00 2.79E+02 0.000 Eq. E3-1 3 0.00 |
| Flexural |
| Tor Buck 0.00E+00 2.94E+02 0.000 Eq. E4-1 3 0.00 |
| Intermediate |
| Results Eff Area KL/r Fcr Fe Pn |
| Maj Buck 1.00E+01 8.55 3.59E+01 3.91E+03 3.59E+02 |
| Min Buck 1.00E+01 53.43 3.10E+01 1.00E+02 3.10E+02 |
| Flexural Ag Fcr Pn |
| Tor Buck 1.00E+01 3.27E+01 3.27E+02 |
|-----------------------------------------------------------------------|
| CHECK FOR SHEAR |
| |
| FORCE CAPACITY RATIO CRITERIA L/C LOC |
| Local-Z -0.00E+00 8.59E+01 0.000 Eq. G2-1 3 0.00 |
| Local-Y 1.05E+02 1.17E+02 0.900 Eq. G2-1 3 0.00 |
| Intermediate |
| Results Aw Cv Kv h/tw Vn |
| Local-Z 4.42E+00 1.00 1.20 5.23 9.55E+01 |
| Local-Y 6.00E+00 1.00 5.00 34.25 1.30E+02 |
|-----------------------------------------------------------------------|
| CHECK FOR BENDING-YIELDING |
| |
| FORCE CAPACITY RATIO CRITERIA L/C LOC |
| Major 2.52E+03 1.65E+03 1.531 Eq. F2-1 3 24.00 |
| Minor 0.00E+00 1.60E+02 0.000 Eq. F6-1 3 0.00 |
| Intermediate Mn My |
| Major 1.83E+03 0.00E+00 |
| Minor 1.78E+02 0.00E+00 |
|-----------------------------------------------------------------------|
| CHECK FOR BENDING-LATERAL TORSIONAL BUCKLING |
| |
| FORCE CAPACITY RATIO CRITERIA L/C LOC |
| Major 2.52E+03 1.63E+03 1.547 Eq. F2-2 3 24.00 |
| Intermediate Mn Me Cb Lp Lr Lb |
| Major 1.81E+03 0.00E+00 1.00 44.87 173.87 48.00 |
STAAD SPACE -- PAGE NO. 5
STAAD.PRO CODE CHECKING - (AISC-360-05-LRFD) v3.3a
********************************************
ALL UNITS ARE - KIP INCH (UNLESS OTHERWISE Noted)
|-----------------------------------------------------------------------|
| CHECK FOR FLEXURE TENS/COMP INTERACTION |
| RATIO CRITERIA L/C LOC |
| Flexure Comp 1.547 Eq. H1-1b 3 24.00 |
| Flexure Tens 1.547 Eq. H1-1b 3 24.00 |
| Intermediate Mcx Mrx Pc |
| Mcy Mry Pr |
| Flexure Comp 1.63E+03 2.52E+03 2.79E+02 |
| 1.60E+02 0.00E+00 0.00E+00 |
| Flexure Tens 1.63E+03 2.52E+03 3.24E+02 |
| 1.60E+02 0.00E+00 -0.00E+00 |
|-----------------------------------------------------------------------|
48. LOAD LIST 4
49. PARAMETER 2
50. CODE AISC UNIFIED 2005
51. METHOD ASD
52. FYLD 36 ALL
53. FU 58 ALL
54. TRACK 2 ALL
55. CHECK CODE ALL
STEEL DESIGN
STAAD SPACE -- PAGE NO. 6
STAAD.PRO CODE CHECKING - ( AISC-360-05-ASD) v3.3a
********************************************
ALL UNITS ARE - KIP INCH (UNLESS OTHERWISE Noted)
MEMBER TABLE RESULT/ CRITICAL COND/ RATIO/ LOADING/
FX MY MZ LOCATION
=======================================================================
* 1 ST C15X33 (AISC SECTIONS)
FAIL Eq. H1-1b 1.550 4
0.00 0.00 -1680.00 24.00
|-----------------------------------------------------------------------|
| SLENDERNESS |
| Actual Slenderness Ratio : 53.432 L/C : 4 |
| Allowable Slenderness Ratio : 300.000 LOC : 24.00 |
|-----------------------------------------------------------------------|
| STRENGTH CHECKS |
| Critical L/C : 4 Ratio : 1.550(FAIL) |
| Loc : 24.00 Condition : Eq. H1-1b |
|-----------------------------------------------------------------------|
| DESIGN FORCES |
| Fx: 0.000E+00( ) Fy: 7.000E+01 Fz: 0.000E+00 |
| Mx: 0.000E+00 My: 0.000E+00 Mz: -1.680E+03 |
|-----------------------------------------------------------------------|
| SECTION PROPERTIES (UNIT: INCH) |
| Azz: 4.420E+00 Ayy: 6.000E+00 Cw: 3.555E+02 |
| Szz: 4.200E+01 Syy: 3.090E+00 |
| Izz: 3.150E+02 Iyy: 8.070E+00 Ix: 1.010E+00 |
|-----------------------------------------------------------------------|
| MATERIAL PROPERTIES |
| Fyld: 36.000 Fu: 58.000 |
|-----------------------------------------------------------------------|
| Actual Member Length: 48.000 |
| Design Parameters |
| Kz: 1.00 Ky: 1.00 NSF: 1.00 SLF: 1.00 CSP: 12.00 |
|-----------------------------------------------------------------------|
| SECTION CLASS UNSTIFFENED / λ λp λr CASE |
| STIFFENED |
| Compression : Non-Slender 5.23 N/A 15.89 T.B4.1-3 |
| Non-Slender 34.25 N/A 42.29 T.B4.1-10 |
| Flexure : Compact 5.23 10.79 28.38 T.B4.1-1 |
| Compact 34.25 106.72 161.78 T.B4.1-9 |
STAAD SPACE -- PAGE NO. 7
STAAD.PRO CODE CHECKING - ( AISC-360-05-ASD) v3.3a
********************************************
ALL UNITS ARE - KIP INCH (UNLESS OTHERWISE Noted)
|-----------------------------------------------------------------------|
| CHECK FOR AXIAL TENSION |
| |
| FORCE CAPACITY RATIO CRITERIA L/C LOC |
| Yield -0.00E+00 2.16E+02 0.000 Eq. D2-1 4 0.00 |
| Rupture -0.00E+00 2.90E+02 0.000 Eq. D2-2 4 0.00 |
|-----------------------------------------------------------------------|
| CHECK FOR AXIAL COMPRESSION |
| |
| FORCE CAPACITY RATIO CRITERIA L/C LOC |
| Maj Buck 0.00E+00 2.15E+02 0.000 Sec. E1 4 0.00 |
| Min Buck 0.00E+00 1.85E+02 0.000 Eq. E3-1 4 0.00 |
| Flexural |
| Tor Buck 0.00E+00 1.96E+02 0.000 Eq. E4-1 4 0.00 |
| Intermediate |
| Results Eff Area KL/r Fcr Fe Pn |
| Maj Buck 1.00E+01 8.55 3.59E+01 3.91E+03 3.59E+02 |
| Min Buck 1.00E+01 53.43 3.10E+01 1.00E+02 3.10E+02 |
| Flexural Ag Fcr Pn |
| Tor Buck 1.00E+01 3.27E+01 3.27E+02 |
|-----------------------------------------------------------------------|
| CHECK FOR SHEAR |
| |
| FORCE CAPACITY RATIO CRITERIA L/C LOC |
| Local-Z -0.00E+00 5.72E+01 0.000 Eq. G2-1 4 0.00 |
| Local-Y 7.00E+01 7.76E+01 0.902 Eq. G2-1 4 0.00 |
| Intermediate |
| Results Aw Cv Kv h/tw Vn |
| Local-Z 4.42E+00 1.00 1.20 5.23 9.55E+01 |
| Local-Y 6.00E+00 1.00 5.00 34.25 1.30E+02 |
|-----------------------------------------------------------------------|
| CHECK FOR BENDING-YIELDING |
| |
| FORCE CAPACITY RATIO CRITERIA L/C LOC |
| Major 1.68E+03 1.10E+03 1.534 Eq. F2-1 4 24.00 |
| Minor 0.00E+00 1.07E+02 0.000 Eq. F6-1 4 0.00 |
| Intermediate Mn My |
| Major 1.83E+03 0.00E+00 |
| Minor 1.78E+02 0.00E+00 |
|-----------------------------------------------------------------------|
| CHECK FOR BENDING-LATERAL TORSIONAL BUCKLING |
| |
| FORCE CAPACITY RATIO CRITERIA L/C LOC |
| Major 1.68E+03 1.08E+03 1.550 Eq. F2-2 4 24.00 |
| Intermediate Mn Me Cb Lp Lr Lb |
| Major 1.81E+03 0.00E+00 1.00 44.87 173.87 48.00 |
STAAD SPACE -- PAGE NO. 8
STAAD.PRO CODE CHECKING - ( AISC-360-05-ASD) v3.3a
********************************************
ALL UNITS ARE - KIP INCH (UNLESS OTHERWISE Noted)
|-----------------------------------------------------------------------|
| CHECK FOR FLEXURE TENS/COMP INTERACTION |
| RATIO CRITERIA L/C LOC |
| Flexure Comp 1.550 Eq. H1-1b 4 24.00 |
| Flexure Tens 1.550 Eq. H1-1b 4 24.00 |
| Intermediate Mcx Mrx Pc |
| Mcy Mry Pr |
| Flexure Comp 1.08E+03 1.68E+03 1.85E+02 |
| 1.07E+02 0.00E+00 0.00E+00 |
| Flexure Tens 1.08E+03 1.68E+03 2.16E+02 |
| 1.07E+02 0.00E+00 -0.00E+00 |
|-----------------------------------------------------------------------|