Earthquakes and Structures

  • 제17권6호
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  • Pages.599-609
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  • 2019
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  • 2092-7614(pISSN)
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  • 2092-7622(eISSN)
테크노프레스 (Techno-Press)
권호 표지
DOI QR코드

DOI QR Code

Post-earthquake assessment of buildings using displacement and acceleration response

  • Hsu, Ting-Yu (Department of Civil and Construction Engineering, National Taiwan University of Science and Technology) ;
  • Pham, Quang-Vinh (Department of Civil and Construction Engineering, National Taiwan University of Science and Technology)
  • 투고 : 2019.07.03
  • 심사 : 2019.11.07
  • 발행 : 2019.12.25
⟨ 이전 논문 다음 논문 ⟩

초록

After an earthquake, a quick seismic assessment of a structure can facilitate the recovery of operations, and consequently, improve structural resilience. Especially for facilities that play a key role in rescue or refuge efforts (e.g., hospitals and power facilities), or even economically important facilities (e.g., high-tech factories and financial centers), immediately resuming operations after disruptions resulting from an earthquake is critical. Therefore, this study proposes a prompt post-earthquake seismic evaluation method that uses displacement and acceleration measurements taken from real structural responses that resulted during an earthquake. With a prepared pre-earthquake capacity curve of a structure, the residual seismic capacity can be estimated using the residual roof drift ratio and stiffness. The proposed method was verified using a 6-story steel frame structure on a shaking table. The structure was damaged during a moderate earthquake, after which it collapsed completely during a severe earthquake. According to the experimental results, a reasonable estimation of the residual seismic capacity of structures can be performed using the proposed post-earthquake seismic evaluation method.

키워드

과제정보

연구 과제 주관 기관 : Taiwan's Ministry of Science and Technology

참고문헌

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피인용 문헌

  1. Seismic performance of non-ductile detailing RC frames: An experimental investigation vol.19, pp.6, 2019, https://doi.org/10.12989/eas.2020.19.6.485
  2. Post-earthquake fire resistance of tall steel concentrically braced frames vol.21, pp.1, 2019, https://doi.org/10.12989/eas.2021.21.7.011