대한건축학회논문집:구조계 (Journal of the Architectural Institute of Korea Structure & Construction)

  • 제34권2호
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  • Pages.19-28
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  • 2018
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  • 1226-9107(pISSN)
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  • 2384-1788(eISSN)
대한건축학회 (Architectural Institute of Korea)
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WUF-B 접합부 및 합성슬래브로 설계된 철골모멘트골조의 에너지 기반 근사해석을 이용한 연쇄붕괴 저항성능 평가

Evaluation of Progressive Collapse Resistance of Steel Moment Frame with WUF-B Connection and Composite Slab using Equivalent Energy-based Static Analysis

  • 노삼영 (한양대 건축학부 건축공학전공) ;
  • 박기환 (건구조엔지니어링(주)) ;
  • 홍성철 (한양대 일반대학원 건축시스템공학과) ;
  • 이상윤 (한양대 일반대학원 건축시스템공학과)
  • 투고 : 2017.10.21
  • 심사 : 2017.12.13
  • 발행 : 2018.02.28
⟨ 이전 논문 다음 논문 ⟩

초록

The progressive collapse resistance performance of a steel structure constructed using the moment frame with the WUF-B connection and the composite slabs was evaluated. GSA 2003 was adapted for the evaluation. Additionally the structural robustness and the sensitivity against the progressive collapse were analyzed. In the numerical analysis, a reduced model comprised of the beam and spring elements for WUF-B connection was adapted. The composite slab was modeled using the composite-shell element. Instead of the time-consuming dynamic analysis for the effect of the sudden column removal, the equivalent energy-based static analysis was effectively applied. The analysis results showed that the structure was the most vulnerable to in the case of the internal column removal, however it satisfied the chord rotation criterion of GSA 2003 due to the contribution of the composite slab which improved the stiffness of structure. In the robustness evaluation, the structural performance showed more than 2.5 times of the requirement according to GSA 2003, and the structural sensitivity analysis indicated the decrease of 33% of the initial structural performance.

키워드

참고문헌

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