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American Steel Design
Section 2
2-72
TABLE 2.5 – COMPOSITE BEAM DESIGN PARAMETERS
FOR AISC-LRFD
Name Default value Description
RBH 0.0 inches Rib Height
EFFW Value used in analysis Effective width of slab
FPC Value used in analysis Ultimate compressive
strength of concrete
Example
STAAD SPACE
MEMBER PROPERTY
1 TA CM W12X26 CT 6.0 FC 4.0 CW 40.0
PERFORM ANALYSIS
PARAMETER
CODE LRFD
RBH 5.0 MEMB 1
CHECK CODE MEMB 1
FINISH