DOI QR코드

DOI QR Code

Static and fatigue behavior of through-bolt shear connectors with prefabricated HFRC slabs

  • He, Yuliang (College of Civil Engineering, Shaoxing University) ;
  • Zhuang, Jie (College of Civil Engineering, Shaoxing University) ;
  • Hu, Lipu (College of Civil Engineering, Shaoxing University) ;
  • Li, Fuyou (Hua Hui Group) ;
  • Yang, Ying (College of Civil Engineering, Shaoxing University) ;
  • Xiang, Yi-qiang (College of Civil Engineering and Architecture, Zhejiang University)
  • 투고 : 2021.12.06
  • 심사 : 2022.04.28
  • 발행 : 2022.07.10

초록

Twelve push-out test specimens were conducted with various parameters to study the static and fatigue performance of a new through-bolt shear connector transferring the shear forces of interface between prefabricated hybrid fiber reinforced concrete (HFRC) slabs and steel girders. It was found that the fibers could improve the fatigue life, capacity and initial stiffness of through-bolt shear connector. While the bolt-hole clearance reduced, the initial stiffness, capacity and slippage of through-bolt shear connector increased. After the steel-concrete interface properties were improved, the initial stiffness increased, and the capacity and slippage reduced. Base on the test results, the equation of the load-slip curve and capacity of through-bolt shear connector with prefabricated HFRC slab were obtained by the regression of test results, and the allowable range of shear force under fatigue load was recommended, which could provide the reference in the design of through-bolt shear connector with prefabricated HFRC slabs.

키워드

과제정보

This work was financially supported by 2020 Science and Technology Project of Zhejiang Province Construction Department (2020K127), Natural Science Foundation of Zhejiang Province (LQ19E090008/ LY18E080017).

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