Structural Engineering and Mechanics

  • 제91권4호
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  • Pages.369-382
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  • 2024
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  • 1225-4568(pISSN)
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  • 1598-6217(eISSN)
테크노프레스 (Techno-Press)
권호 표지
DOI QR코드

DOI QR Code

Earthquake loss assessment framework of ductile RC frame using component- performance -based methodology

  • Shengfang Qiao (Guangzhou Institute of Building Science Co., Ltd.) ;
  • Xiaolei Han (School of Civil Engineering and Transportation, South China University of Technology) ;
  • Hesong Hu (Guangzhou Construction Engineering Co., Ltd.) ;
  • Mengxiong Tang (Guangzhou Construction Engineering Co., Ltd.)
  • 투고 : 2024.04.19
  • 심사 : 2024.07.31
  • 발행 : 2024.08.25
⟨ 이전 논문 다음 논문 ⟩

초록

The earthquake loss assessment framework of ductile reinforced concrete (or RC) frame using component-performance -based methodology was studied in this paper. The elasto-plastic rotation angle was used as the damage indicator of structural component, and the damage-to-loss model was proposed on the basis of the deformation indicator of structural component. Dynamic instability during incremental dynamic analysis was taken as collapse criterion, and column failure was taken as criterion that structure has to be demolished. Expected earthquake losses of low-rise, mid-rise and high-rise RC frames were discussed. The expected earthquake loss encompassed collapse loss, demolition loss and repair loss. Furthermore, component groups of RC frame were divided into structural components, nonstructural components and rugged components. The results indicate that ductile RC frame is more likely to be demolished than collapse, especially in low-rise and mid-rise RC frames. Furthermore, the less collapse margin ratio the structure has, the more demolition probability the structure will suffer under rare earthquake. The demolition share of total earthquake loss might be more prominent than repair share and collapse share in ductile RC frame.

키워드

과제정보

The research described in this paper was financially supported by the Guangzhou Science and Technology Project (Granted No 2024B03J1389), Science and technology planning project of Guangzhou Municipal Construction Group Co., Ltd (Granted No (2023)-KJ012, (2023)-KJ013, (2022)-KJ011, (2022)-KJ030), Guangzhou Baiyun District Innovation and Entrepreneurship Leading Team Project (2021-0305), Science and Technology Program of the Ministry of Housing and Urban-Rural Development (Granted No 2020-K-130, 2021-K-075), Guangdong Provincial Department of Housing and Urban Rural Development Science and Technology Innovation Project (Granted No 2021-K1-300220), Shenzhen Department of Housing and Urban Rural Development Science and Technology Innovation Project (Granted No 2023-34).

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