Steel and Composite Structures

  • 제37권6호
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  • Pages.649-662
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  • 2020
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  • 1229-9367(pISSN)
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  • 1598-6233(eISSN)
테크노프레스 (Techno-Press)
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DOI QR코드

DOI QR Code

Experimental study on the hybrid shear connection using headed studs and steel plates

  • Baek, Jang-Woon (Department of Civil Engineering and Environmental Sciences, Korea Military Academy) ;
  • Yang, Hyeon-Keun (Department of Architecture and Architectural Engineering, Seoul National University) ;
  • Park, Hong-Gun (Department of Architecture and Architectural Engineering, Seoul National University) ;
  • Eom, Tae-Sung (Department of Architectural Engineering, Dankook University) ;
  • Hwang, Hyeon-Jong (School of Architecture, Konkuk University)
  • 투고 : 2020.10.25
  • 심사 : 2020.11.27
  • 발행 : 2020.12.25
⟨ 이전 논문 다음 논문 ⟩

초록

Although several types of rigid shear connectors have been developed particularly to increase load-carrying capacity, application is limited due to the complicated details of such connection. In this study, push-out tests were performed for specimens with hybrid shear connectors using headed studs and shear plates to identify the effects of each parameter on the structural performance of such shear connection. The test parameters included steel ratios of headed stud to shear plate, connection length, and embedded depth of shear plates. The peak strength and residual strength were estimated using various shear transfer mechanisms such as stud shear, concrete bearing, and shear friction. The hybrid shear connectors using shear plates and headed studs showed large load-carrying capacity and deformation capacity. The peak strength was predicted by the concrete bearing strength of the shear plates. The residual strength was sufficiently predicted by the stud shear strength of headed studs or by shear friction strength of dowel reinforcing bars. Further, the finite element analysis was performed to verify the shear transfer mechanism of the connection with hybrid shear connector.

키워드

과제정보

This work was supported by the National Research Foundation of Korea (NRF) grant funded by the Korea government (MSIT) (No. 2019R1F1A1059249 and No. 2020R1F1A1076322). The authors are grateful for the supports.

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