Structural Engineering and Mechanics

  • 제82권6호
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  • Pages.801-812
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  • 2022
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  • 1225-4568(pISSN)
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  • 1598-6217(eISSN)
테크노프레스 (Techno-Press)
권호 표지
DOI QR코드

DOI QR Code

Study on seismic behavior of fabricated beam-column bolted joint

  • Zhang, Yu (School of Civil Engineering, Anhui Jianzhu University) ;
  • Ding, Kewei (School of Civil Engineering, Anhui Jianzhu University)
  • 투고 : 2021.11.26
  • 심사 : 2022.05.07
  • 발행 : 2022.06.25
⟨ 이전 논문 다음 논문 ⟩

초록

To better promote the development of fabricated buildings, this paper studies the seismic behavior of precast concrete beam-column bolted joint under vertical low cyclic loading. The experimental results show that cracks appear in the beam-column joint core area. Meanwhile, the concrete and the grade 5.6 bolts are damaged and deformed, respectively. Specifically, the overall structure of the beam-column joint remains intact, and the bolts have good energy dissipation capacity. Based on the experimental study, a new method of beam-column bolted connection is proposed in simulation analysis. The simulation results show that the bolts deform in the core area of the new beam-column joint, which enhances the concrete shear capacity legitimately and protects the T-end of the beam against shear failure. To summarize, both the experimental joint and the simulated joint prolong the service life by replacing the bolts under the seismic loading. The research results provide a reference for applications of the fabricated beam-column joint.

키워드

과제정보

The authors gratefully acknowledge the financial support provided by the National Key R&D Program of China 2016YFC0701500 and Project 11472005 supported by NSFC and The Natural Science Foundation of Anhui Province (1908085ME173).

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