Steel and Composite Structures

  • 제20권6호
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  • Pages.1259-1274
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  • 2016
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  • 1229-9367(pISSN)
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  • 1598-6233(eISSN)
테크노프레스 (Techno-Press)
권호 표지
DOI QR코드

DOI QR Code

Seismic performances of centrifugally-formed hollow-core precast columns with multi-interlocking spirals

  • Hwang, Jin-Ha (Department of Architectural Engineering, University of Seoul) ;
  • Lee, Deuck Hang (Department of Civil and Environmental Engineering, University of Illinois at Urbana-Champaign) ;
  • Oh, Jae Yuel (Department of Architectural Engineering, University of Seoul) ;
  • Choi, Seung-Ho (Department of Architectural Engineering, University of Seoul) ;
  • Kim, Kang Su (Department of Architectural Engineering, University of Seoul) ;
  • Seo, Soo-Yeon (Department of Architectural Engineering, Korea University of Transportation)
  • 투고 : 2015.06.08
  • 심사 : 2016.02.16
  • 발행 : 2016.04.30
⟨ 이전 논문 다음 논문 ⟩

초록

A precast composite column system has been developed in this study by utilizing multi interlocking spiral steel into a centrifugally-formed hollow-core precast (CHPC) column. The proposed hybrid column system can have enhanced performances in the composite interaction behavior between the hollowed precast column and cast-in-place (CIP) core-filled concrete, the lap splice performance of bundled bars, and the confining effect of concrete. In the experimental program, reversed cyclic loading tests were conducted on a conventional reinforced concrete (RC) column fabricated monolithically, two CHPC columns filled with CIP concrete, and two steel-reinforced concrete (SRC) columns. It was confirmed that the interlocking spirals was very effective to enhance the structural performance of the CHPC column, and all the hollow-core precast column specimens tested in this study showed good seismic performances comparable to the monolithic control specimen.

키워드

과제정보

연구 과제 주관 기관 : National Research Foundation of Korea

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피인용 문헌

  1. Experimental investigation on shear capacity of partially prefabricated steel reinforced concrete columns vol.28, pp.1, 2018, https://doi.org/10.12989/scs.2018.28.1.073
  2. Steel-concrete composite beam-column connections utilizing prefabricated permanent steel form vol.46, pp.None, 2016, https://doi.org/10.1016/j.jobe.2021.103836