V. AISC 360-05 HSSP D.5
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 D.5, pp.D-10,11
Details
From reference (2):
An HSS6.000×0.500, ASTM A500 grade B, has a length of 30 ft. The member carries a dead load of 40 kips and a live load of 120 kips in tension. Assume the end connection is a fillet welded 1/2 in. thick single concentric gusset plate that has a length of 16 in. Verify the strength by both LRFD and ASD.
Validation
Refer to reference.
Result Type | Reference | STAAD.Pro | Difference | Comments |
---|---|---|---|---|
Tensile yielding ϕtPn (kips) [LRFD] | 306 | 306 | none | |
Tensile rupture ϕtPn (kips) [LRFD] | 329 | 329 | none | |
Tensile yielding Pn/Ωt (kips) [ASD] | 203 | 203 | none | |
Tensile rupture Pn/Ωt (kips) [ASD] | 220 | 220 | none | |
Slenderness ratio | 184 | 183.316 | negligible |
STAAD.Pro Input File
The file C:\Users\Public\Public Documents\STAAD.Pro 2024\Samples \Verification Models\09 Steel Design\US\AISC\AISC 360-05 HSSP D.5.STD is typically installed with the program.
STAAD SPACE
START JOB INFORMATION
ENGINEER DATE 21-Jan-20
END JOB INFORMATION
INPUT WIDTH 79
UNIT FEET KIP
JOINT COORDINATES
1 0 0 0; 2 30 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 HSSP6X0.5
CONSTANTS
MATERIAL STEEL ALL
SUPPORTS
1 FIXED
LOAD 1 LOADTYPE Dead TITLE LOAD CASE 1
JOINT LOAD
2 FX 40
LOAD 2 LOADTYPE Live TITLE LOAD CASE 2
JOINT LOAD
2 FX 120
LOAD COMB 3 LRFD
1 1.2 2 1.6
LOAD COMB 4 ASD
1 1.0 2 1.0
PERFORM ANALYSIS
PRINT ANALYSIS RESULTS
LOAD LIST 3
PARAMETER 1
CODE AISC UNIFIED 2005
FU 8352 ALL
FYLD 6048 ALL
METHOD LRFD
TMAIN 300 ALL
NSF 0.936 ALL
SLF 1 ALL
TRACK 2 ALL
CHECK CODE ALL
LOAD LIST 4
PARAMETER 2
CODE AISC UNIFIED 2005
FU 8352 ALL
FYLD 6048 ALL
METHOD ASD
TMAIN 300 ALL
NSF 0.936 ALL
SLF 1 ALL
TRACK 2 ALL
CHECK CODE ALL
FINISH
STAAD.Pro Output
STAAD.PRO CODE CHECKING - (AISC-360-05-LRFD) v3.3a
********************************************
ALL UNITS ARE - KIP FEET (UNLESS OTHERWISE Noted)
MEMBER TABLE RESULT/ CRITICAL COND/ RATIO/ LOADING/
FX MY MZ LOCATION
=======================================================================
1 ST HSSP6X0.5 (AISC SECTIONS)
PASS Eq. H1-1a 0.785 3
240.00 T 0.00 0.00 0.00
|-----------------------------------------------------------------------|
| SLENDERNESS |
| Actual Slenderness Ratio : 183.316 L/C : 3 |
| Allowable Slenderness Ratio : 300.000 LOC : 0.00 |
|-----------------------------------------------------------------------|
| STRENGTH CHECKS |
| Critical L/C : 3 Ratio : 0.785(PASS) |
| Loc : 0.00 Condition : Eq. H1-1a |
|-----------------------------------------------------------------------|
| DESIGN FORCES |
| Fx: 2.400E+02(T ) Fy: 0.000E+00 Fz: 0.000E+00 |
| Mx: 0.000E+00 My: 0.000E+00 Mz: 0.000E+00 |
|-----------------------------------------------------------------------|
| SECTION PROPERTIES (UNIT: INCH) |
| Azz: 4.045E+00 Ayy: 4.045E+00 Cw: 0.000E+00 |
| Szz: 1.040E+01 Syy: 1.040E+01 |
| Izz: 3.120E+01 Iyy: 3.120E+01 Ix: 6.240E+01 |
|-----------------------------------------------------------------------|
| MATERIAL PROPERTIES |
| Fyld: 6047.999 Fu: 8351.999 |
|-----------------------------------------------------------------------|
| Actual Member Length: 30.000 |
| Design Parameters |
| Kz: 1.00 Ky: 1.00 NSF: 0.94 SLF: 1.00 CSP: 12.00 |
|-----------------------------------------------------------------------|
| SECTION CLASS UNSTIFFENED / λ λp λr CASE |
| STIFFENED |
| Compression : Non-Slender 12.90 N/A 75.95 T.B4.1-15a |
| Non-Slender 12.90 N/A 75.95 T.B4.1-15a |
| Flexure : Compact 12.90 48.33 214.05 T.B4.1-15b |
| Compact 12.90 48.33 214.05 T.B4.1-15b |
STAAD SPACE -- PAGE NO. 7
STAAD.PRO CODE CHECKING - (AISC-360-05-LRFD) v3.3a
********************************************
ALL UNITS ARE - KIP FEET (UNLESS OTHERWISE Noted)
|-----------------------------------------------------------------------|
| CHECK FOR AXIAL TENSION |
| |
| FORCE CAPACITY RATIO CRITERIA L/C LOC |
| Yield 2.40E+02 3.06E+02 0.785 Eq. D2-1 3 0.00 |
| Rupture 2.40E+02 3.29E+02 0.729 Eq. D2-2 3 0.00 |
|-----------------------------------------------------------------------|
| CHECK FOR AXIAL COMPRESSION |
| |
| FORCE CAPACITY RATIO CRITERIA L/C LOC |
| Maj Buck 0.00E+00 5.44E+01 0.000 Sec. E1 3 0.00 |
| Min Buck 0.00E+00 5.44E+01 0.000 Eq. E3-1 3 0.00 |
| Intermediate |
| Results Eff Area KL/r Fcr Fe Pn |
| Maj Buck 5.62E-02 183.32 1.08E+03 1.23E+03 6.04E+01 |
| Min Buck 5.62E-02 183.32 1.08E+03 1.23E+03 6.04E+01 |
|-----------------------------------------------------------------------|
| CHECK FOR SHEAR |
| |
| FORCE CAPACITY RATIO CRITERIA L/C LOC |
| Local-Z -0.00E+00 9.17E+01 0.000 Eq. G6-1 3 0.00 |
| Local-Y 0.00E+00 9.17E+01 0.000 Eq. G6-1 3 0.00 |
| Intermediate |
| Results Aw Cv Kv h/tw Vn |
| Local-Z 5.62E-02 0.00 0.00 0.00 1.02E+02 |
| Local-Y 5.62E-02 0.00 0.00 0.00 1.02E+02 |
|-----------------------------------------------------------------------|
| CHECK FOR TORSION |
| |
| FORCE CAPACITY RATIO CRITERIA L/C LOC |
| 0.00E+00 3.93E+01 0.000 Eq. H3-1 3 0.00 |
| Intermediate Fcr Tn |
| 3.63E+03 4.37E+01 |
|-----------------------------------------------------------------------|
| CHECK FOR BENDING-YIELDING |
| |
| FORCE CAPACITY RATIO CRITERIA L/C LOC |
| Major -0.00E+00 4.50E+01 0.000 Eq. F8-1 3 0.00 |
| Minor 0.00E+00 4.50E+01 0.000 Eq. F8-1 3 0.00 |
| Intermediate Mn My |
| Major 5.01E+01 0.00E+00 |
| Minor 5.01E+01 0.00E+00 |
STAAD SPACE -- PAGE NO. 8
STAAD.PRO CODE CHECKING - (AISC-360-05-LRFD) v3.3a
********************************************
ALL UNITS ARE - KIP FEET (UNLESS OTHERWISE Noted)
|-----------------------------------------------------------------------|
| CHECK FOR FLEXURE TENS/COMP INTERACTION |
| RATIO CRITERIA L/C LOC |
| Flexure Comp 0.000 Eq. H1-1b 3 0.00 |
| Flexure Tens 0.785 Eq. H1-1a 3 0.00 |
| Intermediate Mcx Mrx Pc |
| Mcy Mry Pr |
| Flexure Comp 4.50E+01 -0.00E+00 5.44E+01 |
| 4.50E+01 0.00E+00 0.00E+00 |
| Flexure Tens 4.50E+01 -0.00E+00 3.06E+02 |
| 4.50E+01 0.00E+00 2.40E+02 |
|-----------------------------------------------------------------------|
50. LOAD LIST 4
51. PARAMETER 2
52. CODE AISC UNIFIED 2005
53. FU 8352 ALL
54. FYLD 6048 ALL
55. METHOD ASD
56. TMAIN 300 ALL
57. NSF 0.936 ALL
58. SLF 1 ALL
59. TRACK 2 ALL
60. 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. 9
STAAD.PRO CODE CHECKING - ( AISC-360-05-ASD) v3.3a
********************************************
ALL UNITS ARE - KIP FEET (UNLESS OTHERWISE Noted)
MEMBER TABLE RESULT/ CRITICAL COND/ RATIO/ LOADING/
FX MY MZ LOCATION
=======================================================================
1 ST HSSP6X0.5 (AISC SECTIONS)
PASS Eq. H1-1a 0.786 4
160.00 T 0.00 0.00 0.00
|-----------------------------------------------------------------------|
| SLENDERNESS |
| Actual Slenderness Ratio : 183.316 L/C : 4 |
| Allowable Slenderness Ratio : 300.000 LOC : 0.00 |
|-----------------------------------------------------------------------|
| STRENGTH CHECKS |
| Critical L/C : 4 Ratio : 0.786(PASS) |
| Loc : 0.00 Condition : Eq. H1-1a |
|-----------------------------------------------------------------------|
| DESIGN FORCES |
| Fx: 1.600E+02(T ) Fy: 0.000E+00 Fz: 0.000E+00 |
| Mx: 0.000E+00 My: 0.000E+00 Mz: 0.000E+00 |
|-----------------------------------------------------------------------|
| SECTION PROPERTIES (UNIT: INCH) |
| Azz: 4.045E+00 Ayy: 4.045E+00 Cw: 0.000E+00 |
| Szz: 1.040E+01 Syy: 1.040E+01 |
| Izz: 3.120E+01 Iyy: 3.120E+01 Ix: 6.240E+01 |
|-----------------------------------------------------------------------|
| MATERIAL PROPERTIES |
| Fyld: 6047.999 Fu: 8351.999 |
|-----------------------------------------------------------------------|
| Actual Member Length: 30.000 |
| Design Parameters |
| Kz: 1.00 Ky: 1.00 NSF: 0.94 SLF: 1.00 CSP: 12.00 |
|-----------------------------------------------------------------------|
| SECTION CLASS UNSTIFFENED / λ λp λr CASE |
| STIFFENED |
| Compression : Non-Slender 12.90 N/A 75.95 T.B4.1-15a |
| Non-Slender 12.90 N/A 75.95 T.B4.1-15a |
| Flexure : Compact 12.90 48.33 214.05 T.B4.1-15b |
| Compact 12.90 48.33 214.05 T.B4.1-15b |
STAAD SPACE -- PAGE NO. 10
STAAD.PRO CODE CHECKING - ( AISC-360-05-ASD) v3.3a
********************************************
ALL UNITS ARE - KIP FEET (UNLESS OTHERWISE Noted)
|-----------------------------------------------------------------------|
| CHECK FOR AXIAL TENSION |
| |
| FORCE CAPACITY RATIO CRITERIA L/C LOC |
| Yield 1.60E+02 2.03E+02 0.786 Eq. D2-1 4 0.00 |
| Rupture 1.60E+02 2.20E+02 0.729 Eq. D2-2 4 0.00 |
|-----------------------------------------------------------------------|
| CHECK FOR AXIAL COMPRESSION |
| |
| FORCE CAPACITY RATIO CRITERIA L/C LOC |
| Maj Buck 0.00E+00 3.62E+01 0.000 Sec. E1 4 0.00 |
| Min Buck 0.00E+00 3.62E+01 0.000 Eq. E3-1 4 0.00 |
| Intermediate |
| Results Eff Area KL/r Fcr Fe Pn |
| Maj Buck 5.62E-02 183.32 1.08E+03 1.23E+03 6.04E+01 |
| Min Buck 5.62E-02 183.32 1.08E+03 1.23E+03 6.04E+01 |
|-----------------------------------------------------------------------|
| CHECK FOR SHEAR |
| |
| FORCE CAPACITY RATIO CRITERIA L/C LOC |
| Local-Z -0.00E+00 6.10E+01 0.000 Eq. G6-1 4 0.00 |
| Local-Y 0.00E+00 6.10E+01 0.000 Eq. G6-1 4 0.00 |
| Intermediate |
| Results Aw Cv Kv h/tw Vn |
| Local-Z 5.62E-02 0.00 0.00 0.00 1.02E+02 |
| Local-Y 5.62E-02 0.00 0.00 0.00 1.02E+02 |
|-----------------------------------------------------------------------|
| CHECK FOR TORSION |
| |
| FORCE CAPACITY RATIO CRITERIA L/C LOC |
| 0.00E+00 2.62E+01 0.000 Eq. H3-1 4 0.00 |
| Intermediate Fcr Tn |
| 3.63E+03 4.37E+01 |
|-----------------------------------------------------------------------|
| CHECK FOR BENDING-YIELDING |
| |
| FORCE CAPACITY RATIO CRITERIA L/C LOC |
| Major -0.00E+00 3.00E+01 0.000 Eq. F8-1 4 0.00 |
| Minor 0.00E+00 3.00E+01 0.000 Eq. F8-1 4 0.00 |
| Intermediate Mn My |
| Major 5.01E+01 0.00E+00 |
| Minor 5.01E+01 0.00E+00 |
STAAD SPACE -- PAGE NO. 11
STAAD.PRO CODE CHECKING - ( AISC-360-05-ASD) v3.3a
********************************************
ALL UNITS ARE - KIP FEET (UNLESS OTHERWISE Noted)
|-----------------------------------------------------------------------|
| CHECK FOR FLEXURE TENS/COMP INTERACTION |
| RATIO CRITERIA L/C LOC |
| Flexure Comp 0.000 Eq. H1-1b 4 0.00 |
| Flexure Tens 0.786 Eq. H1-1a 4 0.00 |
| Intermediate Mcx Mrx Pc |
| Mcy Mry Pr |
| Flexure Comp 3.00E+01 -0.00E+00 3.62E+01 |
| 3.00E+01 0.00E+00 0.00E+00 |
| Flexure Tens 3.00E+01 -0.00E+00 2.03E+02 |
| 3.00E+01 0.00E+00 1.60E+02 |
|-----------------------------------------------------------------------|