Journal of the Architectural Institute of Korea (대한건축학회논문집)

Architectural Institute of Korea (대한건축학회)
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Sub-assemblage Structure Model for Progressive Collapse Resistance Performance Analysis

연쇄붕괴 저항성능 해석을 위한 부분골조 모델

  • 나영수 (한양대 일반대학원 건축시스템공학과) ;
  • 노삼영 (한양대 건축학부 건축공학전공) ;
  • 이업 (한양대 일반대학원 건축시스템공학과)
  • Received : 2021.01.28
  • Accepted : 2021.08.23
  • Published : 2021.09.30
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Abstract

For the analysis of the progressive collapse resistance performance of a structure, it is recommended to use a 3-D structure model that considers the 3-D effect of the slab, the continuity of the adjacent spans, and the redistribution of stress through the alternated path of the upper stories. Although a structure is modeled with reduced modeling concepts, the large size of the target structure still requires a lot of time on modeling and analysis. In this study, the sub-assemblage structure modeling concept was presented. The area of the sub-assemblage structure was determined by the analysis of the number of affected spans using the stress variation in the members before and after the sudden column removal in the entire structure model. The modeling concept was suggested in three levels according to the degree of the modelled detail of members located in the outer area of the sub-assemblage structure. They are evaluated by comparing the load-displacement relationship, girder stresses and plastic hinging locations with those resulted by the simulation of entire structure model.

Keywords

Acknowledgement

이 성과는 2019년도 정부(과학기술정보통신부)의 재원으로 한국연구재단의 지원을 받아 수행된 연구임(No.2019R1F1A1057355)

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