한국지진공학회논문집 (Journal of the Earthquake Engineering Society of Korea)

  • 제25권6호
  • /
  • Pages.293-303
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  • 2021
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  • 1226-525X(pISSN)
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  • 2234-1099(eISSN)
한국지진공학회 (Earthquake Engineering Society of Korea)
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국내 무보강 조적조 건물의 지진취약도함수

Seismic Fragility Function for Unreinforced Masonry Buildings in Korea

  • 안숙진 (인천대학교 일반대학원 건축학과) ;
  • 박지훈 (인천대학교 도시건축학부)
  • Ahn, Sook-Jin (Department of Architecture, Incheon National University) ;
  • Park, Ji-Hun (Division of Architecture and Urban Design, Incheon National University)
  • 투고 : 2021.08.27
  • 심사 : 2021.10.19
  • 발행 : 2021.11.01
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초록

Seismic fragility functions for unreinforced masonry buildings were derived based on the incremental dynamic analysis of eight representative inelastic numerical models for application to Korea's earthquake damage estimation system. The effects of panel zones formed between piers and spandrels around openings were taken into account explicitly or implicitly regarding stiffness and inelastic deformation capacity. The site response of ground motion records measured at the rock site was used as input ground motion. Limit states were proposed based on the fraction of structural components that do not meet the required performance from the nonlinear static analysis of each model. In addition to the randomness of ground motion considered in the incremental dynamic analysis explicitly, supplementary standard deviation due to uncertainty that was not reflected in the fragility assessment procedure was added. The proposed seismic fragility functions were verified by applying them to the damage estimation of masonry buildings located around the epicenter of the 2017 Pohang earthquake and comparing the result with actual damage statistics.

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과제정보

이 논문은 행정안전부 극한재난대응 기반기술개발사업의 지원을 받아 수행된 연구임(2020-MOIS31-013).

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