V. AISC 360-05 Pipe F.9
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 F.9, pp.F-35,36
Details
From reference (2):
Select an ASTM A53 grade B Pipe shape with a simple span of 16 ft. The nominal loads are a total uniform dead load of 0.32 kip/ft and a uniform live load of 0.96 kip/ft. Assume there is no deflection limit for this beam. The beam is braced only at the ends.
Result Type | Reference | STAAD.Pro | Difference | Comments |
---|---|---|---|---|
ϕbMn (ft·k) [LRFD] | 81.4 | 81.4 | none | |
Mn/Ωb (ft·k) [ASD] | 54.1 | 54.1 | none |
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 Pipe F.9.STD is typically installed with the program.
STAAD SPACE
START JOB INFORMATION
ENGINEER DATE 10-Jun-20
END JOB INFORMATION
INPUT WIDTH 79
UNIT FEET KIP
JOINT COORDINATES
1 0 0 0; 2 16 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
ISOTROPIC STEEL_50_KSI
E 4.176e+06
POISSON 0.3
DENSITY 0.489024
ALPHA 6.5e-06
DAMP 0.03
TYPE STEEL
STRENGTH FY 7200 FU 8928 RY 1.5 RT 1.2
END DEFINE MATERIAL
MEMBER PROPERTY AMERICAN
1 TABLE ST PIPX80
CONSTANTS
MATERIAL STEEL_50_KSI ALL
SUPPORTS
1 FIXED BUT MZ
2 FIXED BUT FX MZ
LOAD 1 LOADTYPE None TITLE LOAD CASE 1
MEMBER LOAD
1 UNI GY -0.32
LOAD 2 LOADTYPE None TITLE LOAD CASE 2
MEMBER LOAD
1 UNI GY -0.96
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
LOAD LIST 3
PARAMETER 1
CODE AISC UNIFIED 2005
METHOD LRFD
FU 8640 ALL
FYLD 5040 ALL
TRACK 2 ALL
CHECK CODE ALL
LOAD LIST 4
PARAMETER 2
CODE AISC UNIFIED 2005
METHOD ASD
FU 8640 ALL
FYLD 5040 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 PIPX80 (AISC SECTIONS)
PASS Eq. H1-1b 0.755 3
0.00 0.00 -61.44 8.00
|-----------------------------------------------------------------------|
| SLENDERNESS |
| Actual Slenderness Ratio : 66.233 L/C : 3 |
| Allowable Slenderness Ratio : 300.000 LOC : 8.00 |
|-----------------------------------------------------------------------|
| STRENGTH CHECKS |
| Critical L/C : 3 Ratio : 0.755(PASS) |
| Loc : 8.00 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: -6.144E+01 |
|-----------------------------------------------------------------------|
| SECTION PROPERTIES (UNIT: INCH) |
| Azz: 5.950E+00 Ayy: 5.950E+00 Cw: 0.000E+00 |
| Szz: 2.319E+01 Syy: 2.319E+01 |
| Izz: 1.000E+02 Iyy: 1.000E+02 Ix: 2.000E+02 |
|-----------------------------------------------------------------------|
| MATERIAL PROPERTIES |
| Fyld: 5039.999 Fu: 8639.999 |
|-----------------------------------------------------------------------|
| Actual Member Length: 16.000 |
| 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 18.55 N/A 91.14 T.B4.1-15a |
| Non-Slender 18.55 N/A 91.14 T.B4.1-15a |
| Flexure : Compact 18.55 58.00 256.86 T.B4.1-15b |
| Compact 18.55 58.00 256.86 T.B4.1-15b |
STAAD SPACE -- PAGE NO. 4
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 -0.00E+00 3.75E+02 0.000 Eq. D2-1 3 0.00 |
| Rupture -0.00E+00 5.35E+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 2.99E+02 0.000 Sec. E1 3 0.00 |
| Min Buck 0.00E+00 2.99E+02 0.000 Eq. E3-1 3 0.00 |
| Intermediate |
| Results Eff Area KL/r Fcr Fe Pn |
| Maj Buck 8.26E-02 66.23 4.03E+03 9.40E+03 3.33E+02 |
| Min Buck 8.26E-02 66.23 4.03E+03 9.40E+03 3.33E+02 |
|-----------------------------------------------------------------------|
| CHECK FOR SHEAR |
| |
| FORCE CAPACITY RATIO CRITERIA L/C LOC |
| Local-Z -0.00E+00 1.12E+02 0.000 Eq. G6-1 3 0.00 |
| Local-Y 1.54E+01 1.12E+02 0.137 Eq. G6-1 3 0.00 |
| Intermediate |
| Results Aw Cv Kv h/tw Vn |
| Local-Z 8.26E-02 0.00 0.00 0.00 1.25E+02 |
| Local-Y 8.26E-02 0.00 0.00 0.00 1.25E+02 |
|-----------------------------------------------------------------------|
| CHECK FOR TORSION |
| |
| FORCE CAPACITY RATIO CRITERIA L/C LOC |
| 0.00E+00 7.66E+01 0.000 Eq. H3-1 3 0.00 |
| Intermediate Fcr Tn |
| 3.02E+03 8.51E+01 |
|-----------------------------------------------------------------------|
| CHECK FOR BENDING-YIELDING |
| |
| FORCE CAPACITY RATIO CRITERIA L/C LOC |
| Major 6.14E+01 8.14E+01 0.755 Eq. F8-1 3 8.00 |
| Minor 0.00E+00 8.14E+01 0.000 Eq. F8-1 3 0.00 |
| Intermediate Mn My |
| Major 9.04E+01 0.00E+00 |
| Minor 9.04E+01 0.00E+00 |
STAAD SPACE -- PAGE NO. 5
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 0.755 Eq. H1-1b 3 8.00 |
| Flexure Tens 0.755 Eq. H1-1b 3 8.00 |
| Intermediate Mcx Mrx Pc |
| Mcy Mry Pr |
| Flexure Comp 8.14E+01 6.14E+01 2.99E+02 |
| 8.14E+01 0.00E+00 0.00E+00 |
| Flexure Tens 8.14E+01 6.14E+01 3.75E+02 |
| 8.14E+01 0.00E+00 -0.00E+00 |
|-----------------------------------------------------------------------|
55. LOAD LIST 4
56. PARAMETER 2
57. CODE AISC UNIFIED 2005
58. METHOD ASD
59. FU 8640 ALL
60. FYLD 5040 ALL
61. TRACK 2 ALL
62. 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-360-05-ASD) v3.3a
********************************************
ALL UNITS ARE - KIP FEET (UNLESS OTHERWISE Noted)
MEMBER TABLE RESULT/ CRITICAL COND/ RATIO/ LOADING/
FX MY MZ LOCATION
=======================================================================
1 ST PIPX80 (AISC SECTIONS)
PASS Eq. H1-1b 0.757 4
0.00 0.00 -40.96 8.00
|-----------------------------------------------------------------------|
| SLENDERNESS |
| Actual Slenderness Ratio : 66.233 L/C : 4 |
| Allowable Slenderness Ratio : 300.000 LOC : 8.00 |
|-----------------------------------------------------------------------|
| STRENGTH CHECKS |
| Critical L/C : 4 Ratio : 0.757(PASS) |
| Loc : 8.00 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: -4.096E+01 |
|-----------------------------------------------------------------------|
| SECTION PROPERTIES (UNIT: INCH) |
| Azz: 5.950E+00 Ayy: 5.950E+00 Cw: 0.000E+00 |
| Szz: 2.319E+01 Syy: 2.319E+01 |
| Izz: 1.000E+02 Iyy: 1.000E+02 Ix: 2.000E+02 |
|-----------------------------------------------------------------------|
| MATERIAL PROPERTIES |
| Fyld: 5039.999 Fu: 8639.999 |
|-----------------------------------------------------------------------|
| Actual Member Length: 16.000 |
| 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 18.55 N/A 91.14 T.B4.1-15a |
| Non-Slender 18.55 N/A 91.14 T.B4.1-15a |
| Flexure : Compact 18.55 58.00 256.86 T.B4.1-15b |
| Compact 18.55 58.00 256.86 T.B4.1-15b |
STAAD SPACE -- PAGE NO. 7
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 -0.00E+00 2.49E+02 0.000 Eq. D2-1 4 0.00 |
| Rupture -0.00E+00 3.57E+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 1.99E+02 0.000 Sec. E1 4 0.00 |
| Min Buck 0.00E+00 1.99E+02 0.000 Eq. E3-1 4 0.00 |
| Intermediate |
| Results Eff Area KL/r Fcr Fe Pn |
| Maj Buck 8.26E-02 66.23 4.03E+03 9.40E+03 3.33E+02 |
| Min Buck 8.26E-02 66.23 4.03E+03 9.40E+03 3.33E+02 |
|-----------------------------------------------------------------------|
| CHECK FOR SHEAR |
| |
| FORCE CAPACITY RATIO CRITERIA L/C LOC |
| Local-Z -0.00E+00 7.48E+01 0.000 Eq. G6-1 4 0.00 |
| Local-Y 1.02E+01 7.48E+01 0.137 Eq. G6-1 4 0.00 |
| Intermediate |
| Results Aw Cv Kv h/tw Vn |
| Local-Z 8.26E-02 0.00 0.00 0.00 1.25E+02 |
| Local-Y 8.26E-02 0.00 0.00 0.00 1.25E+02 |
|-----------------------------------------------------------------------|
| CHECK FOR TORSION |
| |
| FORCE CAPACITY RATIO CRITERIA L/C LOC |
| 0.00E+00 5.10E+01 0.000 Eq. H3-1 4 0.00 |
| Intermediate Fcr Tn |
| 3.02E+03 8.51E+01 |
|-----------------------------------------------------------------------|
| CHECK FOR BENDING-YIELDING |
| |
| FORCE CAPACITY RATIO CRITERIA L/C LOC |
| Major 4.10E+01 5.41E+01 0.757 Eq. F8-1 4 8.00 |
| Minor 0.00E+00 5.41E+01 0.000 Eq. F8-1 4 0.00 |
| Intermediate Mn My |
| Major 9.04E+01 0.00E+00 |
| Minor 9.04E+01 0.00E+00 |
STAAD SPACE -- PAGE NO. 8
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 0.757 Eq. H1-1b 4 8.00 |
| Flexure Tens 0.757 Eq. H1-1b 4 8.00 |
| Intermediate Mcx Mrx Pc |
| Mcy Mry Pr |
| Flexure Comp 5.41E+01 4.10E+01 1.99E+02 |
| 5.41E+01 0.00E+00 0.00E+00 |
| Flexure Tens 5.41E+01 4.10E+01 2.49E+02 |
| 5.41E+01 0.00E+00 -0.00E+00 |
|-----------------------------------------------------------------------|