V. AISC 360-10 W Memb Selection F.4
Select a wide flange section per the LRFD and ASD methods of the AISC 360-10 code.
References
- American Institute of Steel Construction. 2010 Steel Construction Manual. Fourteenth Edition. AISC: Chicago, IL.
-
American Institute of Steel Construction. 2011. Design Examples, Version 14.0. AISC:Chicago, IL. Example F.4, pp. F26-F27
注記: This reference is freely available for download from the AISC website at https://www.aisc.org/globalassets/aisc/university-programs/teaching-aids/first-semester-design-examples.pdf
Details
From reference (2):
Select an ASTM A992 W-shape flexural member by the moment of inertia, to limit the live load deflection to 1 in. The span length is 30 ft. The loads are a uniform dead load of 0.80 kip/ft and a uniform live load of 2 kip/ft. The beam is continuously braced.
Results
Result Type | Reference | STAAD.Pro | Difference | Comments |
---|---|---|---|---|
Selected section [LRFD] | W24x55 | W24x55 | none | |
Selected section [ASD] | W24x55 | W24x55 | none |
STAAD.Pro Input
The file C:\Users\Public\Public Documents\STAAD.Pro 2023\Samples \Verification Models\09 Steel Design\US\AISC\AISC 360-10 W Memb Selection F.4.STD is typically installed with the program.
STAAD SPACE
START JOB INFORMATION
ENGINEER DATE 14-Feb-19
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 W24X192
CONSTANTS
MATERIAL STEEL ALL
SUPPORTS
2 FIXED BUT FX MZ
1 PINNED
LOAD 1 LOADTYPE None TITLE LOAD CASE 1
MEMBER LOAD
1 UNI GY -0.8
LOAD 2 LOADTYPE None TITLE LOAD CASE 2
MEMBER LOAD
1 UNI GY -2
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
DEFINE ENVELOPE
3 ENVELOPE 1 TYPE STRENGTH
4 ENVELOPE 2 TYPE SERVICEABILITY
END DEFINE ENVELOPE
LOAD LIST ENV 2
PARAMETER 1
CODE AISC UNIFIED 2010
FU 9360 ALL
FYLD 7200 ALL
BEAM 1 ALL
DFF 240 ALL
DJ1 1 ALL
DJ2 2 ALL
TRACK 2 ALL
FLX 2 ALL
PROFILE W24 ALL
METHOD LRFD
SELECT OPTIMIZED
LOAD LIST ENV 2
PARAMETER 2
CODE AISC UNIFIED 2010
FU 9360 ALL
FYLD 7200 ALL
BEAM 1 ALL
DFF 240 ALL
DJ1 1 ALL
DJ2 2 ALL
TRACK 2 ALL
FLX 2 ALL
PROFILE W24 ALL
METHOD ASD
SELECT OPTIMIZED
FINISH
STAAD.Pro Output
STAAD.PRO CODE CHECKING - (AISC-360-10-LRFD) v1.4a ******************************************** ALL UNITS ARE - KIP FEET (UNLESS OTHERWISE Noted) MEMBER TABLE RESULT/ CRITICAL COND/ RATIO/ LOADING/ FX MY MZ LOCATION ======================================================================= 1 ST W24X192 (AISC SECTIONS) PASS DEFLECTION 0.186 4 15.00 |-----------------------------------------------------------------------| | DEFLECTION CHECK: (UNIT: INCH) | | | | Limit Span/Deflection (DFF) : 240.000 Limit : 1.500 | | Span/Deflection : 1.29E+03 Deflection : 0.280 | | L/C : 4 LOC : 15.000 | | Ratio : 0.186 (PASS) | |-----------------------------------------------------------------------| STEEL DESIGN STAAD SPACE -- PAGE NO. 4 STAAD.PRO MEMBER SELECTION - (AISC-360-10-LRFD) v1.4a *********************************************** ALL UNITS ARE - KIP FEET (UNLESS OTHERWISE Noted) MEMBER TABLE RESULT/ CRITICAL COND/ RATIO/ LOADING/ FX MY MZ LOCATION ======================================================================= 1 ST W24X55 (AISC SECTIONS) PASS DEFLECTION 0.864 4 15.00 |-----------------------------------------------------------------------| | DEFLECTION CHECK: (UNIT: INCH) | | | | Limit Span/Deflection (DFF) : 240.000 Limit : 1.500 | | Span/Deflection : 2.78E+02 Deflection : 1.296 | | L/C : 4 LOC : 15.000 | | Ratio : 0.864 (PASS) | |-----------------------------------------------------------------------| ** ALL CASES BEING MADE ACTIVE BEFORE RE-ANALYSIS. ** STEEL DESIGN STAAD SPACE -- PAGE NO. 5 STAAD.PRO MEMBER SELECTION - (AISC-360-10-LRFD) v1.4a *********************************************** ALL UNITS ARE - KIP FEET (UNLESS OTHERWISE Noted) MEMBER TABLE RESULT/ CRITICAL COND/ RATIO/ LOADING/ FX MY MZ LOCATION ======================================================================= 1 ST W24X55 (AISC SECTIONS) PASS DEFLECTION 0.864 4 15.00 |-----------------------------------------------------------------------| | DEFLECTION CHECK: (UNIT: INCH) | | | | Limit Span/Deflection (DFF) : 240.000 Limit : 1.500 | | Span/Deflection : 2.78E+02 Deflection : 1.296 | | L/C : 4 LOC : 15.000 | | Ratio : 0.864 (PASS) | |-----------------------------------------------------------------------| 57. LOAD LIST ENV 2 58. PARAMETER 2 59. CODE AISC UNIFIED 2010 60. FU 9360 ALL 61. FYLD 7200 ALL 62. BEAM 1 ALL 63. DFF 240 ALL 64. DJ1 1 ALL 65. DJ2 2 ALL 66. TRACK 2 ALL 67. FLX 2 ALL 68. PROFILE W24 ALL 69. METHOD ASD 70. SELECT OPTIMIZED STEEL DESIGN STAAD SPACE -- PAGE NO. 6 STAAD.PRO CODE CHECKING - ( AISC-360-10-ASD) v1.4a ******************************************** ALL UNITS ARE - KIP FEET (UNLESS OTHERWISE Noted) MEMBER TABLE RESULT/ CRITICAL COND/ RATIO/ LOADING/ FX MY MZ LOCATION ======================================================================= 1 ST W24X55 (AISC SECTIONS) PASS DEFLECTION 0.864 4 15.00 |-----------------------------------------------------------------------| | DEFLECTION CHECK: (UNIT: INCH) | | | | Limit Span/Deflection (DFF) : 240.000 Limit : 1.500 | | Span/Deflection : 2.78E+02 Deflection : 1.296 | | L/C : 4 LOC : 15.000 | | Ratio : 0.864 (PASS) | |-----------------------------------------------------------------------| STEEL DESIGN STAAD SPACE -- PAGE NO. 7 STAAD.PRO MEMBER SELECTION - ( AISC-360-10-ASD) v1.4a *********************************************** ALL UNITS ARE - KIP FEET (UNLESS OTHERWISE Noted) MEMBER TABLE RESULT/ CRITICAL COND/ RATIO/ LOADING/ FX MY MZ LOCATION ======================================================================= 1 ST W24X55 (AISC SECTIONS) PASS DEFLECTION 0.864 4 15.00 |-----------------------------------------------------------------------| | DEFLECTION CHECK: (UNIT: INCH) | | | | Limit Span/Deflection (DFF) : 240.000 Limit : 1.500 | | Span/Deflection : 2.78E+02 Deflection : 1.296 | | L/C : 4 LOC : 15.000 | | Ratio : 0.864 (PASS) | |-----------------------------------------------------------------------| ** ALL CASES BEING MADE ACTIVE BEFORE RE-ANALYSIS. ** STEEL DESIGN STAAD SPACE -- PAGE NO. 8 STAAD.PRO MEMBER SELECTION - ( AISC-360-10-ASD) v1.4a *********************************************** ALL UNITS ARE - KIP FEET (UNLESS OTHERWISE Noted) MEMBER TABLE RESULT/ CRITICAL COND/ RATIO/ LOADING/ FX MY MZ LOCATION ======================================================================= 1 ST W24X55 (AISC SECTIONS) PASS DEFLECTION 0.864 4 15.00 |-----------------------------------------------------------------------| | DEFLECTION CHECK: (UNIT: INCH) | | | | Limit Span/Deflection (DFF) : 240.000 Limit : 1.500 | | Span/Deflection : 2.78E+02 Deflection : 1.296 | | L/C : 4 LOC : 15.000 | | Ratio : 0.864 (PASS) | |-----------------------------------------------------------------------|