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International Journal of Steel Structures

, Volume 18, Issue 5, pp 1761–1771 | Cite as

Hysteretic Behavior of RHS Columns Under Random Cyclic Loading Considering Local Buckling

  • Satoshi Yamada
  • Takanori Ishida
  • Yu Jiao
Article
  • 30 Downloads

Abstract

In this paper, a hysteretic model of rectangular hollow section (RHS) columns that includes the deteriorating range caused by local buckling is proposed. The proposed model consists of the skeleton curve, the Bauschinger part that appears before reaching the maximum strength, the strength increasing part of the deteriorating range, and the unloading part. Of these, the skeleton curve, including the deterioration range caused by local buckling, which is considered to be equivalent to the load-deformation relationship under monotonic loading, is obtained through an analytical method. Bi-linear hysteretic models based on experimental results are applied to the Bauschinger part and the strength increasing part. The elastic stiffness is applied to the unloading part. The proposed model is verified by comparing with experimental results of RHS columns under monotonic and cyclic loading.

Keywords

Rectangular hollow section Local buckling Column Hysteretic behavior Cyclic loading 

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Copyright information

© Korean Society of Steel Construction 2018

Authors and Affiliations

  1. 1.Laboratory for Future Interdisciplinary Research of Science and TechnologyTokyo Institute of TechnologyYokohamaJapan
  2. 2.Faculty of EngineeringTokyo City UniversityTokyoJapan

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