Required bracing capacity on lateral buckling strength for H-shaped beams with bracings

Yoshihiro Kimura, Yuki Yoshino

Research output: Contribution to journal › Article › peer-review

1 Citation (Scopus)

Abstract

The lateral bracings are usually set to upper flanges of H-shaped beams in the moment resisting frames, and then the stress of the braced flange may become tensile. If the bracings are connected to the tensile flange of H-shaped beams, its lateral buckling strength is more increased than that without bracing. The bracing connected to tensile flange must restrain torsion to increase the lateral buckling strength of the beams. In this paper, the elasto-plastic lateral buckling load for H-shaped beams with lateral and rotational bracings is presented, and the relationship between the bracing stiffnesses and strength is estimated.

Original languageEnglish
Pages (from-to)2143-2152
Number of pages10
JournalJournal of Structural and Construction Engineering
Volume76
Issue number670
DOIs
Publication statusPublished - 2011 Dec

Keywords

  • H-shaped beams
  • Lateral buckling strength
  • Stiffness demand
  • Stiffness moment demand
  • Stiffness strength demand

ASJC Scopus subject areas

  • Architecture
  • Building and Construction

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