International journal of steel structures (국제강구조저널)

Korean Society of Steel Construction (한국강구조학회)
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Experimental Study on Seismic Behavior of Roof Joint

  • Cui, Yao (State Key Laboratory of Coastal and Off shore Engineering, Dalian University of Technology) ;
  • Gao, Xiaoyu (State Key Laboratory of Coastal and Off shore Engineering, Dalian University of Technology) ;
  • Liu, Hongtao (State Key Laboratory of Coastal and Off shore Engineering, Dalian University of Technology) ;
  • Yamada, Satoshi (Institute of Innovative Research, Tokyo Institute of Technology)
  • Received : 2017.12.15
  • Accepted : 2018.07.30
  • Published : 2018.11.30
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Abstract

Experimental study was conducted to investigate the seismic behavior of roof joint. Eight full-scale specimens were tested considering the effects of axial force, joint height, hole shape of base plate and edge distance of concrete on the failure mode and resistance capacity of roof joint. With the increase of axial force, the hysteretic curves were fuller. The mechanical model of roof joint change from bending to shear. With the increase of joint height, the ultimate strength of roof joint decreased. If the hole shape of base plate changed from circle to loose, the slip behavior of roof joint appeared and the ultimate strength of roof joint decreased. The damage of edge concrete may occur if the edge distance of concrete was not big enough.

Keywords

Acknowledgement

Supported by : National Science Fund of China

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