Estimation of plastic deformation capacity for H-shaped beams on local buckling under compressive and tensile forces

Yoshihiro Kimura, Atsushi Suzuki, Kazuhiko Kasai

Research output: Contribution to journalArticlepeer-review

2 Citations (Scopus)

Abstract

H-shaped beams installed in a braced structure are subjected to compressive and tensile forces from buckling restrained braces. In our previous paper, experiments on H-shaped beams which possess various beam sections under compressive and tensile forces were conducted. However, evaluations for the capacities of H-shaped beams under these two forces have not been scrutinized yet. In this paper, additional experiments and numerical analyses are carried out to reveal the influences of beam sections and magnitudes of axial forces on the performances. Based on the obtained results, this paper presents evaluation formulae for estimating the maximum strength, plastic deformation capacity, and cumulative plastic deformation capacity. In the end, an empirical formula to predict the Bauschinger effect coefficient is proposed to convert the cumulative plastic deformation capacity to the hysteretic energy absorption.

Original languageEnglish
Pages (from-to)2133-2142
Number of pages10
JournalJournal of Structural and Construction Engineering
Volume81
Issue number730
DOIs
Publication statusPublished - 2016 Dec 1

Keywords

  • Cumulative Plastic Deformation Capacity
  • Equivalent Width-thickness Ratio
  • H-shaped Beam
  • Local Buckling
  • Plastic Deformation Capacity
  • Variable Axial Force

ASJC Scopus subject areas

  • Architecture
  • Building and Construction

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