Steel and Composite Structures

  • 제29권3호
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  • Pages.287-299
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  • 2018
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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 retrofit of a framed structure using damped cable systems

  • Naeem, Asad (Department of Civil Engineering and Architectural Engineering, Sungkyunkwan University) ;
  • Kim, Jinkoo (Department of Civil Engineering and Architectural Engineering, Sungkyunkwan University)
  • 투고 : 2017.08.20
  • 심사 : 2018.09.28
  • 발행 : 2018.11.10
⟨ 이전 논문 다음 논문 ⟩

초록

The purpose of this study is to investigate the effectiveness of damped cable systems (DCS) to mitigate the earthquake-induced responses of a building frame structure. The seismic performance of the DCS is investigated using the fragility analysis and life cycle cost evaluation of an existing building retrofitted with the DCS, and the results are compared with the structure retrofitted with conventional fluid viscous dampers. The comparison of the analysis results reveals that, due to the self-centering capability of the DCS, residual displacement approximately reaches to zero for the structure retrofitted with the DCS. The fragility analysis shows that the structure retrofitted with the DCS has the least probability of reaching the specific limit states compared to the bare structure and the structure with the conventional fluid viscous damper (VD), especially under the severe ground motions. It is also observed that both the initial and the life cycle costs of the DCS seismic retrofitting technique is lesser compare to the structure retrofitted with the VD.

키워드

과제정보

연구 과제 주관 기관 : Ministry of Land, Infrastructure and Transport of Korean government

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피인용 문헌

  1. Development of Seismic Retrofit Devices for Building Structures vol.8, pp.3, 2019, https://doi.org/10.21022/ijhrb.2019.8.3.221
  2. Seismic retrofit of a structure using self-centring precast concrete frames with enlarged beam ends vol.72, pp.22, 2018, https://doi.org/10.1680/jmacr.19.00012
  3. Steel hysteretic column dampers for seismic retrofit of soft-first-story structures vol.37, pp.3, 2018, https://doi.org/10.12989/scs.2020.37.3.259