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WRC BUL 272

1981 Edition, November 1, 1981

Complete Document

DESIGN OF BEAM COLUMNS WITH LATERAL-TORSIONAL END RESTRAINTS ; TAPERED COLUMNS WITH UNEQUAL FLANGED



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Product Details:

  • Revision: 1981 Edition, November 1, 1981
  • Published Date: November 1981
  • Status: Active, Most Current
  • Document Language: English
  • Published By: Welding Research Council (WRC)
  • Page Count: 23
  • ANSI Approved: No
  • DoD Adopted: No

Description / Abstract:

The AISC interaction equation approach is a very convenient design tool and has been widely accepted as the basic design approach for beam-columns. This study has addressed itself to one special aspect of the interaction equation approach (lateral-torsional buckling failure mode) and resulted in a conclusion that for lateral-torsional buckling, a modification function to the bending stress ratio (fb/Fb), different from the AISC format, can provide improved designs on a more rational basis. For in-plane failure mode the present AISC interaction equation remains a very good approach.