Computers and Concrete

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Effect of crumb rubber on compressive behaviour of CRCFST stub columns

  • Liu, Dawei (Jiangxi Engineering Research Center of Process and Equipment for New Energy, East China University of Technology) ;
  • Liang, Jiongfeng (Jiangxi Engineering Research Center of Process and Equipment for New Energy, East China University of Technology) ;
  • Zhang, Guangwu (Faculty of Civil and Architecture Engineering, East China University of Technology) ;
  • Wang, Jianbao (Faculty of Civil and Architecture Engineering, East China University of Technology)
  • Received : 2019.05.18
  • Accepted : 2020.02.17
  • Published : 2020.03.25
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Abstract

This paper investigates the effect of crumb rubber (CR) on compressive behaviour of crumb rubber concrete filled steel tube (CRCFST) stub columns. Therefore, experiments on 16 stub columns subjected to axial loading are carried out. The results show that the failure modes of CRCFST stub columns with different CR replacement ratios and CR size are similar, manifested the buckling of the outer steel tube. The axial bearing capacity and stiffness both decrease with an increase in CR replacement ratio, and with decreasing CR size.

Keywords

Acknowledgement

Supported by : Chinese National Natural Science Foundation, Natural Science Foundation of Jiangxi Province

This work was supported by the Chinese National Natural Science Foundation (No. 51868001), the Natural Science Foundation of Jiangxi Province (No.20142BAB216002),the Technology Support Project of Jiangxi Province (No. 20161BBH80045), and the Open Project Program of Jiangxi Engineering Research Center of Process and Equipment for New Energy, East China Institute of Technology（No.JXNE-2014-08）, which are gratefully acknowledged.

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