건축도시공간연구소

Architecture & Urban Research Institute

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한국지진공학회|논문집 2024년 5월

논문명 연층을 갖는 수직 비정형 건축물의 층수 및 코어 위치에 따른 지진손실함수 상관관계 분석 / Correlation of Seismic Loss Functions Based on Stories and Core Locations in Vertical-Irregular Structures
저자명 한상진 ; 심정은 ; 정민재 ; 조재현 ; 김준희
발행사 한국지진공학회
수록사항 한국지진공학회 논문집, Vol.28 No.3(통권 159호) (2024-05)
페이지 시작페이지(149) 총페이지(10)
ISSN 1226-525X
주제분류 구조
주제어 ; Vertical-irregular structure; Story; Core location; Seismic fragility; Seismic loss function
요약2 Piloti-type structures with vertical irregularity are vulnerable to earthquakes due to the soft structure of the first story. Structural characteristics of buildings can significantly affect the seismic loss function, calculated based on seismic fragility, and therefore need to be considered. This study investigated the effects of the number of stories and core locations on the seismic loss function of piloti-type buildings in Korea. Twelve analytical models were developed considering two variations: three stories (4-story, 5-story, and 6-story) and four core locations (center core, x-eccentric core, y-eccentric core, and xy-eccentric core). The interstory drift ratio and peak floor acceleration were assessed through incremental dynamic analysis using 44 earthquake records, and seismic fragility was derived. Seismic loss functions were calculated and compared using the derived seismic fragility and repair cost ratio of each component. The results indicate that the seismic loss function increases with more stories and when the core is eccentrically located in the piloti-type structure model. Therefore, the uncertainty due to the number of stories and core location should be considered when deriving the seismic loss function of piloti-type structures.
소장처 한국지진공학회
언어 한국어
DOI https://doi.org/10.5000/EESK.2024.28.3.149