V. AISC 360-05 Built Up I E 12
Details
From reference (2):
Compute the available strength of a built-up compression member with a length of 14 ft. The ends are pinned. The outside flange is PL3/4×5, the inside flange is PL3/4×8, and the web is PL3/8×10½. Material is ASTM A572 Grade 50.
STAAD.Pro Input File
The file C:\Users\Public\Public Documents\STAAD.Pro 2023\Samples \Verification Models\09 Steel Design\US\AISC\AISC 360-05 Built Up I E 12.STD is typically installed with the program.
STAAD SPACE
START JOB INFORMATION
ENGINEER DATE 06-Feb-19
END JOB INFORMATION
INPUT WIDTH 79
UNIT FEET KIP
JOINT COORDINATES
1 0 0 0; 2 0 14 0;
MEMBER INCIDENCES
1 1 2;
START USER TABLE
TABLE 1
UNIT INCHES KIP
WIDE FLANGE
I
13.6875 12 0.375 8 0.75 333.426 39.8586 2.0127 4.5 6.5 5 0.75
END
UNIT FEET KIP
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_36_KSI
E 4.176e+06
POISSON 0.3
DENSITY 0.489024
ALPHA 6.5e-06
DAMP 0.03
TYPE STEEL
STRENGTH FY 5184 FU 8352 RY 1.5 RT 1.2
END DEFINE MATERIAL
UNIT INCHES KIP
MEMBER PROPERTY AMERICAN
1 UPTABLE 1 I
CONSTANTS
MATERIAL STEEL_36_KSI ALL
UNIT FEET KIP
SUPPORTS
1 PINNED
2 FIXED BUT FY MX MZ
LOAD 1 LOADTYPE None TITLE LOAD CASE 1
JOINT LOAD
2 FY -20
LOAD 2 LOADTYPE None TITLE LOAD CASE 2
JOINT LOAD
2 FY -40
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
STP 2 ALL
FU 65 ALL
FYLD 50 ALL
TRACK 2 ALL
CHECK CODE ALL
LOAD LIST 4
PARAMETER 2
CODE AISC UNIFIED 2005
METHOD ASD
STP 2 ALL
FU 65 ALL
FYLD 50 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 INCH (UNLESS OTHERWISE Noted) MEMBER TABLE RESULT/ CRITICAL COND/ RATIO/ LOADING/ FX MY MZ LOCATION ======================================================================= 1 ST I (UPT) PASS Eq. H1-1a 0.316 3 88.00 C 0.00 0.00 0.00 |-----------------------------------------------------------------------| | SLENDERNESS | | Actual Slenderness Ratio : 98.449 L/C : 3 | | Allowable Slenderness Ratio : 200.000 LOC : 0.00 | |-----------------------------------------------------------------------| | STRENGTH CHECKS | | Critical L/C : 3 Ratio : 0.316(PASS) | | Loc : 0.00 Condition : Eq. H1-1a | |-----------------------------------------------------------------------| | DESIGN FORCES | | Fx: 8.800E+01(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: 6.500E+00 Ayy: 4.500E+00 Cw: 7.947E+02 | | Szz: 4.815E+01 Syy: 9.965E+00 | | Izz: 3.334E+02 Iyy: 3.986E+01 Ix: 2.013E+00 | |-----------------------------------------------------------------------| | MATERIAL PROPERTIES | | Fyld: 50.000 Fu: 65.000 | |-----------------------------------------------------------------------| | Actual Member Length: 168.000 | | 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 5.33 N/A 13.40 T.B4.1-4 | | Non-Slender 28.00 N/A 35.88 T.B4.1-10 | | Flexure : Compact 5.33 9.15 23.84 T.B4.1-2 | | Compact 23.17 127.82 137.27 T.B4.1-11 | 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 6.16E+02 0.000 Eq. D2-1 3 0.00 | | Rupture 0.00E+00 6.67E+02 0.000 Eq. D2-2 3 0.00 | |-----------------------------------------------------------------------| | CHECK FOR AXIAL COMPRESSION | | | | FORCE CAPACITY RATIO CRITERIA L/C LOC | | Maj Buck 8.80E+01 5.66E+02 0.156 Sec. E1 3 0.00 | | Min Buck 8.80E+01 3.03E+02 0.290 Eq. E3-1 3 0.00 | | Flexural | | Tor Buck 8.80E+01 2.78E+02 0.316 Eq. E4-1 3 0.00 | | Intermediate | | Results Eff Area KL/r Fcr Fe Pn | | Maj Buck 1.37E+01 34.04 4.59E+01 2.47E+02 6.29E+02 | | Min Buck 1.37E+01 98.45 2.46E+01 2.95E+01 3.37E+02 | | Flexural Ag Fcr Pn | | Tor Buck 1.37E+01 2.26E+01 3.09E+02 | |-----------------------------------------------------------------------| | CHECK FOR SHEAR | | | | FORCE CAPACITY RATIO CRITERIA L/C LOC | | Local-Z -0.00E+00 1.76E+02 0.000 Eq. G2-1 3 0.00 | | Local-Y 0.00E+00 1.22E+02 0.000 Eq. G2-1 3 0.00 | | Intermediate | | Results Aw Cv Kv h/tw Vn | | Local-Z 6.50E+00 1.00 1.20 10.67 1.95E+02 | | Local-Y 4.50E+00 1.00 5.00 28.00 1.35E+02 | |-----------------------------------------------------------------------| | CHECK FOR BENDING-YIELDING | | | | FORCE CAPACITY RATIO CRITERIA L/C LOC | | Major -0.00E+00 2.78E+03 0.000 Sec. F4.2 3 0.00 | | Minor 0.00E+00 7.17E+02 0.000 Eq. F6-1 3 0.00 | | Intermediate Mn My | | Major 3.09E+03 0.00E+00 | | Minor 7.97E+02 0.00E+00 | |-----------------------------------------------------------------------| | CHECK FOR BENDING-LATERAL TORSIONAL BUCKLING | | | | FORCE CAPACITY RATIO CRITERIA L/C LOC | | Major -0.00E+00 2.30E+03 0.000 Eq. F4-2 3 0.00 | | Intermediate Mn Me Cb Lp Lr Lb | | Major 2.56E+03 0.00E+00 1.00 60.83 343.65 168.00 | 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 BENDING-COMPRESSION FLANGE YIELDING | | | | FORCE CAPACITY RATIO CRITERIA L/C LOC | | -0.00E+00 2.78E+03 0.000 Eq. F4-1 3 0.00 | | Intermediate Mn Rpc | | 3.09E+03 1.28E+00 | |-----------------------------------------------------------------------| | CHECK FOR FLEXURE TENS/COMP INTERACTION | | RATIO CRITERIA L/C LOC | | Flexure Comp 0.316 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 2.30E+03 -0.00E+00 2.78E+02 | | 7.17E+02 0.00E+00 8.80E+01 | | Flexure Tens 2.30E+03 -0.00E+00 6.16E+02 | | 7.17E+02 0.00E+00 0.00E+00 | |-----------------------------------------------------------------------| 67. LOAD LIST 4 68. PARAMETER 2 69. CODE AISC UNIFIED 2005 70. METHOD ASD 71. STP 2 ALL 72. FU 65 ALL 73. FYLD 50 ALL 74. TRACK 2 ALL 75. 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 I (UPT) PASS Eq. H1-1a 0.324 4 60.00 C 0.00 0.00 0.00 |-----------------------------------------------------------------------| | SLENDERNESS | | Actual Slenderness Ratio : 98.449 L/C : 4 | | Allowable Slenderness Ratio : 200.000 LOC : 0.00 | |-----------------------------------------------------------------------| | STRENGTH CHECKS | | Critical L/C : 4 Ratio : 0.324(PASS) | | Loc : 0.00 Condition : Eq. H1-1a | |-----------------------------------------------------------------------| | DESIGN FORCES | | Fx: 6.000E+01(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: 6.500E+00 Ayy: 4.500E+00 Cw: 7.947E+02 | | Szz: 4.815E+01 Syy: 9.965E+00 | | Izz: 3.334E+02 Iyy: 3.986E+01 Ix: 2.013E+00 | |-----------------------------------------------------------------------| | MATERIAL PROPERTIES | | Fyld: 50.000 Fu: 65.000 | |-----------------------------------------------------------------------| | Actual Member Length: 168.000 | | 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 5.33 N/A 13.40 T.B4.1-4 | | Non-Slender 28.00 N/A 35.88 T.B4.1-10 | | Flexure : Compact 5.33 9.15 23.84 T.B4.1-2 | | Compact 23.17 127.82 137.27 T.B4.1-11 | 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 4.10E+02 0.000 Eq. D2-1 4 0.00 | | Rupture 0.00E+00 4.45E+02 0.000 Eq. D2-2 4 0.00 | |-----------------------------------------------------------------------| | CHECK FOR AXIAL COMPRESSION | | | | FORCE CAPACITY RATIO CRITERIA L/C LOC | | Maj Buck 6.00E+01 3.77E+02 0.159 Sec. E1 4 0.00 | | Min Buck 6.00E+01 2.02E+02 0.297 Eq. E3-1 4 0.00 | | Flexural | | Tor Buck 6.00E+01 1.85E+02 0.324 Eq. E4-1 4 0.00 | | Intermediate | | Results Eff Area KL/r Fcr Fe Pn | | Maj Buck 1.37E+01 34.04 4.59E+01 2.47E+02 6.29E+02 | | Min Buck 1.37E+01 98.45 2.46E+01 2.95E+01 3.37E+02 | | Flexural Ag Fcr Pn | | Tor Buck 1.37E+01 2.26E+01 3.09E+02 | |-----------------------------------------------------------------------| | CHECK FOR SHEAR | | | | FORCE CAPACITY RATIO CRITERIA L/C LOC | | Local-Z -0.00E+00 1.17E+02 0.000 Eq. G2-1 4 0.00 | | Local-Y 0.00E+00 8.08E+01 0.000 Eq. G2-1 4 0.00 | | Intermediate | | Results Aw Cv Kv h/tw Vn | | Local-Z 6.50E+00 1.00 1.20 10.67 1.95E+02 | | Local-Y 4.50E+00 1.00 5.00 28.00 1.35E+02 | |-----------------------------------------------------------------------| | CHECK FOR BENDING-YIELDING | | | | FORCE CAPACITY RATIO CRITERIA L/C LOC | | Major -0.00E+00 1.85E+03 0.000 Sec. F4.2 4 0.00 | | Minor 0.00E+00 4.77E+02 0.000 Eq. F6-1 4 0.00 | | Intermediate Mn My | | Major 3.09E+03 0.00E+00 | | Minor 7.97E+02 0.00E+00 | |-----------------------------------------------------------------------| | CHECK FOR BENDING-LATERAL TORSIONAL BUCKLING | | | | FORCE CAPACITY RATIO CRITERIA L/C LOC | | Major -0.00E+00 1.53E+03 0.000 Eq. F4-2 4 0.00 | | Intermediate Mn Me Cb Lp Lr Lb | | Major 2.56E+03 0.00E+00 1.00 60.83 343.65 168.00 | 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 BENDING-COMPRESSION FLANGE YIELDING | | | | FORCE CAPACITY RATIO CRITERIA L/C LOC | | -0.00E+00 1.85E+03 0.000 Eq. F4-1 4 0.00 | | Intermediate Mn Rpc | | 3.09E+03 1.28E+00 | |-----------------------------------------------------------------------| | CHECK FOR FLEXURE TENS/COMP INTERACTION | | RATIO CRITERIA L/C LOC | | Flexure Comp 0.324 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 1.53E+03 -0.00E+00 1.85E+02 | | 4.77E+02 0.00E+00 6.00E+01 | | Flexure Tens 1.53E+03 -0.00E+00 4.10E+02 | | 4.77E+02 0.00E+00 0.00E+00 | |-----------------------------------------------------------------------|