Effect of lateral-rotational restraint and strength for continuously eccentric braces on buckling stress for h-shaped compression members

Yoshihiro Kimura, Akemi Amamoto

Research output: Contribution to journalArticlepeer-review

Abstract

When the non-structural members such as folded-roof plate are directly jointed to the structural members, the non-structural members may be used as the eccentric bracings. This paper clarifies the effect of lateral and rotational restraint for continuously eccentric braces on buckling stress for H-shaped compression members. The elasto-plastic buckling stress is evaluated with the buckling curve for design codes using the modified equivalent slenderness ratio. Then the elastic buckling load with energy method is applied to the slenderness ratio. Finally, the relationship between the rigidity and strength of bracings is expressed as the approximation.

Original languageEnglish
Pages (from-to)435-442
Number of pages8
JournalJournal of Structural and Construction Engineering
Volume75
Issue number648
DOIs
Publication statusPublished - 2010 Feb

Keywords

  • Bending moment of brace
  • Continuously eccentric brace
  • Elasto-plastic buckling stress
  • H-shaped compression member
  • Lateral force of brace
  • Required rigidity

ASJC Scopus subject areas

  • Architecture
  • Building and Construction

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