Plastic deformation capacity of h-shaped beams collapse with combined buckling under reversed axial forces

研究成果: ジャーナルへの寄稿学術論文査読

15 被引用数 (Scopus)

抄録

H-shaped beam installed in a braced structure are subjected to reversed axial force during the earthquake. In the previous paper, the evaluation index and formulae for beams collapse with dominant local buckling are reported. In this paper, additional experiments and numerical analyses are carried out to clarify the influences of combined (local and lateral) buckling for the ultimate strength, plastic deformation capacity, and cumulative plastic deformation capacity. Based on the obtained results, the new evaluation index and formulae are proposed here. Finally the applicability of the previous equation of Bauschinger effect coefficient is investigated to calculate the hysteresic energy absorption.

本文言語英語
ページ(範囲)297-307
ページ数11
ジャーナルJournal of Structural and Construction Engineering
83
744
DOI
出版ステータス出版済み - 2018 2月

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