Steel and Composite Structures

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Shear and tensile behaviors of headed stud connectors in double skin composite shear wall

  • Yan, Jia-Bao (School of Civil Engineering / Key Laboratory of Coast Civil Structure Safety of Ministry of Education, Tianjin University) ;
  • Wang, Zhe (School of Civil Engineering / Key Laboratory of Coast Civil Structure Safety of Ministry of Education, Tianjin University) ;
  • Wang, Tao (Key Laboratory of Earthquake Engineering and Engineering Vibration, Institute of Engineering Mechanics, CEA) ;
  • Wang, Xiao-Ting (Key Laboratory of Earthquake Engineering and Engineering Vibration, Institute of Engineering Mechanics, CEA)
  • Received : 2017.11.29
  • Accepted : 2018.01.20
  • Published : 2018.03.25
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Abstract

This paper studies shear and tensile behaviors of headed stud connectors in double skin composite (DSC) structure. Firstly, 11 push-out tests and 11 tensile tests were performed to investigate the ultimate shear and tensile behaviors of headed stud in DSC shear wall, respectively. The main parameters investigated in this test program were height and layout of headed stud connectors. The test results reported the representative failure modes of headed studs in DSC structures subjected to shear and tension. The shear-slip and tension-elongation behaviors of headed studs in DSC structures were also reported. Influences of different parameters on these shear-slip and tension-elongation behaviors of headed studs were discussed and analyzed. Analytical models were also developed to predict the ultimate shear and tensile resistances of headed stud connectors in DSC shear walls. The developed analytical model incorporated the influence of the dense layout of headed studs in DSC shear walls. The validations of analytical predictions against 22 test results confirmed the accuracy of developed analytical models.

Keywords

Acknowledgement

Supported by : Institute of Engineering Mechanics, CEA, National Natural Science Foundation of China

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