V. AISC 360-05 W E.1D
Details
From reference (2):
Calculate the available strength of a W14×90 with a strong axis unbraced length of 30 ft and weak axis and torsional unbraced lengths of 15 ft. The material properties and loads are as given in Example E.1b. [which then references Example E.1a]
| Result Type | Reference | STAAD.Pro | Difference | Comments |
|---|---|---|---|---|
| ϕcPn (kips) [LRFD] | 927 | 927 | none | |
| Pn/Ωc (kips) [ASD] | 617 | 617 | none | |
| Slenderness ratio | 58.6 | 58.63 | negligible |
STAAD.Pro Input File
The file C:\Users\Public\Public Documents\STAAD.Pro CONNECT Edition\Samples\ Verification Models\09 Steel Design\US\AISC\AISC 360-05 W E.STD is typically installed with the program.
STAAD SPACE
START JOB INFORMATION
ENGINEER DATE 22-Jan-19
END JOB INFORMATION
INPUT WIDTH 79
UNIT FEET KIP
JOINT COORDINATES
1 0 0 0; 2 0 30 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 W14X90
CONSTANTS
MATERIAL STEEL ALL
SUPPORTS
1 PINNED
2 FIXED BUT FY MX MZ
LOAD 1 LOADTYPE Dead TITLE LOAD CASE 1
JOINT LOAD
2 FY -140
LOAD 2 LOADTYPE Live TITLE LOAD CASE 2
JOINT LOAD
2 FY -420
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
METHOD LRFD
FYLD 7200 ALL
FU 9360 ALL
KX 0.5 ALL
KY 0.5 ALL
METHOD LRFD
TRACK 2 ALL
CHECK CODE ALL
LOAD LIST 4
PARAMETER 2
CODE AISC UNIFIED 2005
FYLD 7200 ALL
FU 9360 ALL
KX 0.5 ALL
KY 0.5 ALL
METHOD ASD
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 W14X90 (AISC SECTIONS) PASS Eq. H1-1a 0.906 3 840.00 C 0.00 0.00 0.00 |-----------------------------------------------------------------------| | SLENDERNESS | | Actual Slenderness Ratio : 58.633 L/C : 3 | | Allowable Slenderness Ratio : 200.000 LOC : 0.00 | |-----------------------------------------------------------------------| | STRENGTH CHECKS | | Critical L/C : 3 Ratio : 0.906(PASS) | | Loc : 0.00 Condition : Eq. H1-1a | |-----------------------------------------------------------------------| | DESIGN FORCES | | Fx: 8.400E+02(C ) 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: 2.059E+01 Ayy: 6.160E+00 Cw: 1.598E+04 | | Szz: 1.427E+02 Syy: 4.993E+01 | | Izz: 9.990E+02 Iyy: 3.620E+02 Ix: 4.060E+00 | |-----------------------------------------------------------------------| | MATERIAL PROPERTIES | | Fyld: 7199.999 Fu: 9359.999 | |-----------------------------------------------------------------------| | Actual Member Length: 30.000 | | Design Parameters | | Kz: 1.00 Ky: 0.50 NSF: 1.00 SLF: 1.00 CSP: 12.00 | |-----------------------------------------------------------------------| | SECTION CLASS UNSTIFFENED / λ λp λr CASE | | STIFFENED | | Compression : Non-Slender 10.21 N/A 13.49 T.B4.1-3 | | Non-Slender 25.86 N/A 35.88 T.B4.1-10 | | Flexure : Non-Compact 10.21 9.15 24.08 T.B4.1-1 | | Compact 25.86 90.55 137.27 T.B4.1-9 | 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 0.00E+00 1.19E+03 0.000 Eq. D2-1 3 0.00 | | Rupture 0.00E+00 1.29E+03 0.000 Eq. D2-2 3 0.00 | |-----------------------------------------------------------------------| | CHECK FOR AXIAL COMPRESSION | | | | FORCE CAPACITY RATIO CRITERIA L/C LOC | | Maj Buck 8.40E+02 9.27E+02 0.906 Sec. E1 3 0.00 | | Min Buck 8.40E+02 1.00E+03 0.838 Eq. E3-1 3 0.00 | | Flexural | | Tor Buck 8.40E+02 1.02E+03 0.821 Eq. E4-1 3 0.00 | | Intermediate | | Results Eff Area KL/r Fcr Fe Pn | | Maj Buck 1.84E-01 58.63 5.60E+03 1.20E+04 1.03E+03 | | Min Buck 1.84E-01 48.70 6.05E+03 1.74E+04 1.11E+03 | | Flexural Ag Fcr Pn | | Tor Buck 1.84E-01 6.18E+03 1.14E+03 | |-----------------------------------------------------------------------| | CHECK FOR SHEAR | | | | FORCE CAPACITY RATIO CRITERIA L/C LOC | | Local-Z 0.00E+00 5.56E+02 0.000 Eq. G2-1 3 0.00 | | Local-Y 0.00E+00 1.85E+02 0.000 Eq. G2-1 3 0.00 | | Intermediate | | Results Aw Cv Kv h/tw Vn | | Local-Z 1.43E-01 1.00 1.20 10.21 6.18E+02 | | Local-Y 4.28E-02 1.00 0.00 25.86 1.85E+02 | |-----------------------------------------------------------------------| | CHECK FOR BENDING-YIELDING | | | | FORCE CAPACITY RATIO CRITERIA L/C LOC | | Major 0.00E+00 5.89E+02 0.000 Eq. F2-1 3 0.00 | | Minor 0.00E+00 2.84E+02 0.000 Eq. F6-1 3 0.00 | | Intermediate Mn My | | Major 6.54E+02 0.00E+00 | | Minor 3.15E+02 0.00E+00 | |-----------------------------------------------------------------------| | CHECK FOR BENDING-LATERAL TORSIONAL BUCKLING | | | | FORCE CAPACITY RATIO CRITERIA L/C LOC | | Major 0.00E+00 4.66E+02 0.000 Eq. F2-2 3 0.00 | | Intermediate Mn Me Cb Lp Lr Lb | | Major 5.18E+02 0.00E+00 1.00 13.05 42.60 30.00 | 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 BENDING-FLANGE LOCAL BUCKLING | | | | FORCE CAPACITY RATIO CRITERIA L/C LOC | | Major 0.00E+00 5.74E+02 0.000 Eq. F3-1 3 0.00 | | Minor 0.00E+00 2.73E+02 0.000 Eq. F6-2 3 0.00 | | Intermediate Mn Fcr | | Major 6.37E+02 0.00E+00 | | Minor 3.03E+02 0.00E+00 | |-----------------------------------------------------------------------| | CHECK FOR FLEXURE TENS/COMP INTERACTION | | RATIO CRITERIA L/C LOC | | Flexure Comp 0.906 Eq. H1-1a 3 0.00 | | Flexure Tens 0.000 Eq. H1-1b 3 0.00 | | Intermediate Mcx Mrx Pc | | Mcy Mry Pr | | Flexure Comp 4.66E+02 0.00E+00 9.27E+02 | | 2.73E+02 0.00E+00 8.40E+02 | | Flexure Tens 4.66E+02 0.00E+00 1.19E+03 | | 2.73E+02 0.00E+00 0.00E+00 | |-----------------------------------------------------------------------| 51. LOAD LIST 4 52. PARAMETER 2 53. CODE AISC UNIFIED 2005 54. FYLD 7200 ALL 55. FU 9360 ALL 56. KX 0.5 ALL 57. KY 0.5 ALL 58. METHOD ASD 59. TRACK 2 ALL 60. CHECK CODE ALL STEEL DESIGN 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 W14X90 (AISC SECTIONS) PASS Eq. H1-1a 0.908 4 560.00 C 0.00 0.00 0.00 |-----------------------------------------------------------------------| | SLENDERNESS | | Actual Slenderness Ratio : 58.633 L/C : 4 | | Allowable Slenderness Ratio : 200.000 LOC : 0.00 | |-----------------------------------------------------------------------| | STRENGTH CHECKS | | Critical L/C : 4 Ratio : 0.908(PASS) | | Loc : 0.00 Condition : Eq. H1-1a | |-----------------------------------------------------------------------| | DESIGN FORCES | | Fx: 5.600E+02(C ) 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: 2.059E+01 Ayy: 6.160E+00 Cw: 1.598E+04 | | Szz: 1.427E+02 Syy: 4.993E+01 | | Izz: 9.990E+02 Iyy: 3.620E+02 Ix: 4.060E+00 | |-----------------------------------------------------------------------| | MATERIAL PROPERTIES | | Fyld: 7199.999 Fu: 9359.999 | |-----------------------------------------------------------------------| | Actual Member Length: 30.000 | | Design Parameters | | Kz: 1.00 Ky: 0.50 NSF: 1.00 SLF: 1.00 CSP: 12.00 | |-----------------------------------------------------------------------| | SECTION CLASS UNSTIFFENED / λ λp λr CASE | | STIFFENED | | Compression : Non-Slender 10.21 N/A 13.49 T.B4.1-3 | | Non-Slender 25.86 N/A 35.88 T.B4.1-10 | | Flexure : Non-Compact 10.21 9.15 24.08 T.B4.1-1 | | Compact 25.86 90.55 137.27 T.B4.1-9 | 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 0.00E+00 7.93E+02 0.000 Eq. D2-1 4 0.00 | | Rupture 0.00E+00 8.61E+02 0.000 Eq. D2-2 4 0.00 | |-----------------------------------------------------------------------| | CHECK FOR AXIAL COMPRESSION | | | | FORCE CAPACITY RATIO CRITERIA L/C LOC | | Maj Buck 5.60E+02 6.17E+02 0.908 Sec. E1 4 0.00 | | Min Buck 5.60E+02 6.67E+02 0.839 Eq. E3-1 4 0.00 | | Flexural | | Tor Buck 5.60E+02 6.81E+02 0.822 Eq. E4-1 4 0.00 | | Intermediate | | Results Eff Area KL/r Fcr Fe Pn | | Maj Buck 1.84E-01 58.63 5.60E+03 1.20E+04 1.03E+03 | | Min Buck 1.84E-01 48.70 6.05E+03 1.74E+04 1.11E+03 | | Flexural Ag Fcr Pn | | Tor Buck 1.84E-01 6.18E+03 1.14E+03 | |-----------------------------------------------------------------------| | CHECK FOR SHEAR | | | | FORCE CAPACITY RATIO CRITERIA L/C LOC | | Local-Z 0.00E+00 3.70E+02 0.000 Eq. G2-1 4 0.00 | | Local-Y 0.00E+00 1.23E+02 0.000 Eq. G2-1 4 0.00 | | Intermediate | | Results Aw Cv Kv h/tw Vn | | Local-Z 1.43E-01 1.00 1.20 10.21 6.18E+02 | | Local-Y 4.28E-02 1.00 0.00 25.86 1.85E+02 | |-----------------------------------------------------------------------| | CHECK FOR BENDING-YIELDING | | | | FORCE CAPACITY RATIO CRITERIA L/C LOC | | Major 0.00E+00 3.92E+02 0.000 Eq. F2-1 4 0.00 | | Minor 0.00E+00 1.89E+02 0.000 Eq. F6-1 4 0.00 | | Intermediate Mn My | | Major 6.54E+02 0.00E+00 | | Minor 3.15E+02 0.00E+00 | |-----------------------------------------------------------------------| | CHECK FOR BENDING-LATERAL TORSIONAL BUCKLING | | | | FORCE CAPACITY RATIO CRITERIA L/C LOC | | Major 0.00E+00 3.10E+02 0.000 Eq. F2-2 4 0.00 | | Intermediate Mn Me Cb Lp Lr Lb | | Major 5.18E+02 0.00E+00 1.00 13.05 42.60 30.00 | 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 BENDING-FLANGE LOCAL BUCKLING | | | | FORCE CAPACITY RATIO CRITERIA L/C LOC | | Major 0.00E+00 3.82E+02 0.000 Eq. F3-1 4 0.00 | | Minor 0.00E+00 1.81E+02 0.000 Eq. F6-2 4 0.00 | | Intermediate Mn Fcr | | Major 6.37E+02 0.00E+00 | | Minor 3.03E+02 0.00E+00 | |-----------------------------------------------------------------------| | CHECK FOR FLEXURE TENS/COMP INTERACTION | | RATIO CRITERIA L/C LOC | | Flexure Comp 0.908 Eq. H1-1a 4 0.00 | | Flexure Tens 0.000 Eq. H1-1b 4 0.00 | | Intermediate Mcx Mrx Pc | | Mcy Mry Pr | | Flexure Comp 3.10E+02 0.00E+00 6.17E+02 | | 1.81E+02 0.00E+00 5.60E+02 | | Flexure Tens 3.10E+02 0.00E+00 7.93E+02 | | 1.81E+02 0.00E+00 0.00E+00 | |-----------------------------------------------------------------------|