Steel and Composite Structures

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Height-thickness ratio on axial behavior of composite wall with truss connector

  • Qin, Ying (Key Laboratory of Concrete and Prestressed Concrete Structures of Ministry of Education, and National Prestress Engineering Research Center, School of Civil Engineering, Southeast University) ;
  • Shu, Gan-Ping (Key Laboratory of Concrete and Prestressed Concrete Structures of Ministry of Education, and National Prestress Engineering Research Center, School of Civil Engineering, Southeast University) ;
  • Zhou, Xiong-Liang (Zhejiang Southeast Space Frame Group Company Limited) ;
  • Han, Jian-Hong (Key Laboratory of Concrete and Prestressed Concrete Structures of Ministry of Education, and National Prestress Engineering Research Center, School of Civil Engineering, Southeast University) ;
  • He, Yun-Fei (Zhejiang Southeast Space Frame Group Company Limited)
  • Received : 2018.11.04
  • Accepted : 2019.02.14
  • Published : 2019.02.25
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Abstract

Double skin composite walls offer structural and economic merits over conventional reinforced concrete counterparts in terms of higher capacity, greater stiffness, and better ductility. This paper investigated the axial behavior of double skin composite walls with steel truss connectors. Full-scaled tests were conducted on three specimens with different height-to-thickness ratios. Test results were evaluated in terms of failure mode, load-axial displacement response, buckling loading, axial stiffness, ductility, strength index, load-lateral deflection, and strain distribution. The test data were compared with AISC 360 and Eurocode 4 and it was found that both codes provided conservative predictions on the safe side.

Keywords

Acknowledgement

Supported by : Natural Science Foundation of Jiangsu Province, National Natural Science Foundation of China, Central Universities

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