V. AISC 360-10 HSSP Shear Capacity G.5
Verify the available shear strength along the strong axis of a round HSS section per the LRFD and ASD methods of the AISD 360-10 code.
Details
From reference (2):
Verify the available shear strength and adequacy of a round HSS16.000×0.375 ASTM A500 Grade B member spanning 32 ft with end shears of 30.0 kips from dead load and 90.0 kips from live load.
STAAD.Pro Input
The file C:\Users\Public\Public Documents\STAAD.Pro 2023\Samples \Verification Models\09 Steel Design\US\AISC\AISC 360-10 HSSP Shear Capacity G.5.STD is typically installed with the program.
STAAD SPACE
START JOB INFORMATION
ENGINEER DATE 20-May-19
END JOB INFORMATION
INPUT WIDTH 79
UNIT FEET KIP
JOINT COORDINATES
1 0 0 0; 2 32 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 HSSP16X0.375
CONSTANTS
MATERIAL STEEL ALL
SUPPORTS
1 FIXED BUT MZ
2 FIXED BUT FX MZ
LOAD 1 LOADTYPE Dead TITLE LOAD CASE 1
MEMBER LOAD
UNIT INCHES KIP
1 UNI GY -0.15625
UNIT FEET KIP
LOAD 2 LOADTYPE Live TITLE LOAD CASE 2
MEMBER LOAD
UNIT INCHES KIP
1 UNI GY -0.46875
UNIT FEET KIP
LOAD COMB 3 LRFD LOAD
1 1.2 2 1.6
LOAD COMB 4 ASD LOAD
1 1.0 2 1.0
PERFORM ANALYSIS
UNIT INCHES KIP
LOAD LIST 3
PARAMETER 1
CODE AISC UNIFIED 2010
METHOD LRFD
FYLD 42 ALL
FU 58 ALL
TRACK 2 ALL
CHECK CODE ALL
LOAD LIST 4
PARAMETER 2
CODE AISC UNIFIED 2010
METHOD ASD
FYLD 42 ALL
FU 58 ALL
TRACK 2 ALL
CHECK CODE ALL
FINISH
STAAD.Pro Output
STAAD.PRO CODE CHECKING - (AISC-360-10-LRFD) v1.4a ******************************************** ALL UNITS ARE - KIP INCH (UNLESS OTHERWISE Noted) MEMBER TABLE RESULT/ CRITICAL COND/ RATIO/ LOADING/ FX MY MZ LOCATION ======================================================================= * 1 ST HSSP16X0.375 (AISC SECTIONS) FAIL Eq. H1-1b 5.347 3 0.00 0.00 -17280.00 192.00 |-----------------------------------------------------------------------| | SLENDERNESS | | Actual Slenderness Ratio : 69.439 L/C : 3 | | Allowable Slenderness Ratio : 300.000 LOC : 192.00 | |-----------------------------------------------------------------------| | STRENGTH CHECKS | | Critical L/C : 3 Ratio : 5.347(FAIL) | | Loc : 192.00 Condition : Eq. H1-1b | |-----------------------------------------------------------------------| | DESIGN FORCES | | Fx: 0.000E+00( ) Fy: 0.000E+00 Fz: 0.000E+00 | | Mx: 0.000E+00 My: 0.000E+00 Mz: -1.728E+04 | |-----------------------------------------------------------------------| | SECTION PROPERTIES (UNIT: INCH) | | Azz: 8.600E+00 Ayy: 8.600E+00 Cw: 0.000E+00 | | Szz: 6.575E+01 Syy: 6.575E+01 | | Izz: 5.260E+02 Iyy: 5.260E+02 Ix: 1.052E+03 | |-----------------------------------------------------------------------| | MATERIAL PROPERTIES | | Fyld: 42.000 Fu: 58.000 | |-----------------------------------------------------------------------| | Actual Member Length: 384.000 | | 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 45.85 N/A 75.95 T.B4.1(a)-9 | | Non-Slender 45.85 N/A 75.95 T.B4.1(a)-9 | | Flexure : Compact 45.85 48.33 214.05 T.B4.1(b)-20 | | Compact 45.85 48.33 214.05 T.B4.1(b)-20 | STAAD SPACE -- PAGE NO. 4 STAAD.PRO CODE CHECKING - (AISC-360-10-LRFD) v1.4a ******************************************** ALL UNITS ARE - KIP INCH (UNLESS OTHERWISE Noted) |-----------------------------------------------------------------------| | CHECK FOR AXIAL TENSION | | | | FORCE CAPACITY RATIO CRITERIA L/C LOC | | Yield -0.00E+00 6.50E+02 0.000 Eq. D2-1 3 0.00 | | Rupture -0.00E+00 7.48E+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 4.84E+02 0.000 Eq. E3-1 3 0.00 | | Min Buck 0.00E+00 4.84E+02 0.000 Eq. E3-1 3 0.00 | | Intermediate | | Results Eff Area KL/r Fcr Fe Pn | | Maj Buck 1.72E+01 69.44 3.12E+01 5.94E+01 5.37E+02 | | Min Buck 1.72E+01 69.44 3.12E+01 5.94E+01 5.37E+02 | |-----------------------------------------------------------------------| | CHECK FOR SHEAR | | | | FORCE CAPACITY RATIO CRITERIA L/C LOC | | Local-Z -0.00E+00 1.95E+02 0.000 Eq. G6-1 3 0.00 | | Local-Y 1.80E+02 1.95E+02 0.923 Eq. G6-1 3 0.00 | | Intermediate | | Results Aw Cv Kv h/tw Vn | | Local-Z 1.72E+01 0.00 0.00 0.00 2.17E+02 | | Local-Y 1.72E+01 0.00 0.00 0.00 2.17E+02 | |-----------------------------------------------------------------------| | CHECK FOR TORSION | | | | FORCE CAPACITY RATIO CRITERIA L/C LOC | | 0.00E+00 2.97E+03 0.000 Eq. H3-1 3 0.00 | | Intermediate Fcr Tn | | 2.52E+01 3.30E+03 | |-----------------------------------------------------------------------| | CHECK FOR BENDING-YIELDING | | | | FORCE CAPACITY RATIO CRITERIA L/C LOC | | Major 1.73E+04 3.23E+03 5.347 Eq. F8-1 3 192.00 | | Minor 0.00E+00 3.23E+03 0.000 Eq. F8-1 3 0.00 | | Intermediate Mn My | | Major 3.59E+03 0.00E+00 | | Minor 3.59E+03 0.00E+00 | STAAD SPACE -- PAGE NO. 5 STAAD.PRO CODE CHECKING - (AISC-360-10-LRFD) v1.4a ******************************************** ALL UNITS ARE - KIP INCH (UNLESS OTHERWISE Noted) |-----------------------------------------------------------------------| | CHECK FOR FLEXURE TENS/COMP INTERACTION | | RATIO CRITERIA L/C LOC | | Flexure Comp 5.347 Eq. H1-1b 3 192.00 | | Flexure Tens 5.347 Eq. H1-1b 3 192.00 | | Intermediate Mcx Mrx Pc | | Mcy Mry Pr | | Flexure Comp 3.23E+03 1.73E+04 4.84E+02 | | 3.23E+03 0.00E+00 0.00E+00 | | Flexure Tens 3.23E+03 1.73E+04 6.50E+02 | | 3.23E+03 0.00E+00 -0.00E+00 | |-----------------------------------------------------------------------| 52. LOAD LIST 4 53. PARAMETER 2 54. CODE AISC UNIFIED 2010 55. METHOD ASD 56. FYLD 42 ALL 57. FU 58 ALL 58. TRACK 2 ALL 59. CHECK CODE ALL STEEL DESIGN WARNING: For member# 1 the profile has been selected from HSS Rect/Round (non A1085)/Pipe tables of AISC database. Weld type is considered to be Elect-resist-weld. Thickness is already reduced from the table. Further reductions will not be done. STAAD SPACE -- PAGE NO. 6 STAAD.PRO CODE CHECKING - ( AISC-360-10-ASD) v1.4a ******************************************** ALL UNITS ARE - KIP INCH (UNLESS OTHERWISE Noted) MEMBER TABLE RESULT/ CRITICAL COND/ RATIO/ LOADING/ FX MY MZ LOCATION ======================================================================= * 1 ST HSSP16X0.375 (AISC SECTIONS) FAIL Eq. H1-1b 5.357 4 0.00 0.00 -11520.00 192.00 |-----------------------------------------------------------------------| | SLENDERNESS | | Actual Slenderness Ratio : 69.439 L/C : 4 | | Allowable Slenderness Ratio : 300.000 LOC : 192.00 | |-----------------------------------------------------------------------| | STRENGTH CHECKS | | Critical L/C : 4 Ratio : 5.357(FAIL) | | Loc : 192.00 Condition : Eq. H1-1b | |-----------------------------------------------------------------------| | DESIGN FORCES | | Fx: 0.000E+00( ) Fy: 0.000E+00 Fz: 0.000E+00 | | Mx: 0.000E+00 My: 0.000E+00 Mz: -1.152E+04 | |-----------------------------------------------------------------------| | SECTION PROPERTIES (UNIT: INCH) | | Azz: 8.600E+00 Ayy: 8.600E+00 Cw: 0.000E+00 | | Szz: 6.575E+01 Syy: 6.575E+01 | | Izz: 5.260E+02 Iyy: 5.260E+02 Ix: 1.052E+03 | |-----------------------------------------------------------------------| | MATERIAL PROPERTIES | | Fyld: 42.000 Fu: 58.000 | |-----------------------------------------------------------------------| | Actual Member Length: 384.000 | | 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 45.85 N/A 75.95 T.B4.1(a)-9 | | Non-Slender 45.85 N/A 75.95 T.B4.1(a)-9 | | Flexure : Compact 45.85 48.33 214.05 T.B4.1(b)-20 | | Compact 45.85 48.33 214.05 T.B4.1(b)-20 | STAAD SPACE -- PAGE NO. 7 STAAD.PRO CODE CHECKING - ( AISC-360-10-ASD) v1.4a ******************************************** ALL UNITS ARE - KIP INCH (UNLESS OTHERWISE Noted) |-----------------------------------------------------------------------| | CHECK FOR AXIAL TENSION | | | | FORCE CAPACITY RATIO CRITERIA L/C LOC | | Yield -0.00E+00 4.33E+02 0.000 Eq. D2-1 4 0.00 | | Rupture -0.00E+00 4.99E+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 3.22E+02 0.000 Eq. E3-1 4 0.00 | | Min Buck 0.00E+00 3.22E+02 0.000 Eq. E3-1 4 0.00 | | Intermediate | | Results Eff Area KL/r Fcr Fe Pn | | Maj Buck 1.72E+01 69.44 3.12E+01 5.94E+01 5.37E+02 | | Min Buck 1.72E+01 69.44 3.12E+01 5.94E+01 5.37E+02 | |-----------------------------------------------------------------------| | CHECK FOR SHEAR | | | | FORCE CAPACITY RATIO CRITERIA L/C LOC | | Local-Z -0.00E+00 1.30E+02 0.000 Eq. G6-1 4 0.00 | | Local-Y 1.20E+02 1.30E+02 0.925 Eq. G6-1 4 0.00 | | Intermediate | | Results Aw Cv Kv h/tw Vn | | Local-Z 1.72E+01 0.00 0.00 0.00 2.17E+02 | | Local-Y 1.72E+01 0.00 0.00 0.00 2.17E+02 | |-----------------------------------------------------------------------| | CHECK FOR TORSION | | | | FORCE CAPACITY RATIO CRITERIA L/C LOC | | 0.00E+00 1.98E+03 0.000 Eq. H3-1 4 0.00 | | Intermediate Fcr Tn | | 2.52E+01 3.30E+03 | |-----------------------------------------------------------------------| | CHECK FOR BENDING-YIELDING | | | | FORCE CAPACITY RATIO CRITERIA L/C LOC | | Major 1.15E+04 2.15E+03 5.357 Eq. F8-1 4 192.00 | | Minor 0.00E+00 2.15E+03 0.000 Eq. F8-1 4 0.00 | | Intermediate Mn My | | Major 3.59E+03 0.00E+00 | | Minor 3.59E+03 0.00E+00 | STAAD SPACE -- PAGE NO. 8 STAAD.PRO CODE CHECKING - ( AISC-360-10-ASD) v1.4a ******************************************** ALL UNITS ARE - KIP INCH (UNLESS OTHERWISE Noted) |-----------------------------------------------------------------------| | CHECK FOR FLEXURE TENS/COMP INTERACTION | | RATIO CRITERIA L/C LOC | | Flexure Comp 5.357 Eq. H1-1b 4 192.00 | | Flexure Tens 5.357 Eq. H1-1b 4 192.00 | | Intermediate Mcx Mrx Pc | | Mcy Mry Pr | | Flexure Comp 2.15E+03 1.15E+04 3.22E+02 | | 2.15E+03 0.00E+00 0.00E+00 | | Flexure Tens 2.15E+03 1.15E+04 4.33E+02 | | 2.15E+03 0.00E+00 -0.00E+00 | |-----------------------------------------------------------------------|