International Journal of Steel Structures

, Volume 18, Issue 4, pp 1373–1383 | Cite as

Experimental Study on Seismic Behavior of Roof Joint

  • Yao CuiEmail author
  • Xiaoyu Gao
  • Hongtao Liu
  • Satoshi Yamada


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.


Roof joint Seismic performance Experimental study Anchor rod Grid structure 



The writers gratefully acknowledge the financial support provided by the National Science Fund of China (51678106). This work was supported in part by the Collaborative Research Project of Laboratory for Materials and Structures, Institute of Innovative Research, Tokyo Institute of Technology.


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Copyright information

© Korean Society of Steel Construction 2018

Authors and Affiliations

  • Yao Cui
    • 1
    Email author
  • Xiaoyu Gao
    • 1
  • Hongtao Liu
    • 1
  • Satoshi Yamada
    • 2
  1. 1.State Key Laboratory of Coastal and Offshore EngineeringDalian University of TechnologyDalianChina
  2. 2.Institute of Innovative ResearchTokyo Institute of TechnologyYokohamaJapan

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