Effect of multi-layer leaning column on damage concentration mitigation of multi-story steel moment resisting frames with mid-story pin column base system

Sachi Furukawa, Naoki Tamura, Yoshihiro Kimura

研究成果: Article査読

抄録

Steel moment-resisting frames with mid-story pin column base system previously proposed to prevent the first story column yielding is seismically upgraded by a multi-layer leaning column. Effect on the prevention of story drift and stress concentration provided by an M. L. column is quantified with respect to its flexural stiffness by theoretical formulation, static and dynamic analysis of 3 to 9-stories frames. It is shown that seismic responses of the main frame are suitably predicted by theoretical formulation with Ai distribution, while external force distribution considering the second-order mode is proposed to predict flexural demand on the M. L. column.

本文言語English
ページ(範囲)501-511
ページ数11
ジャーナルJournal of Structural and Construction Engineering
86
781
DOI
出版ステータスPublished - 2021 3

ASJC Scopus subject areas

  • 建築
  • 建築および建設

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