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대각보강된 철근콘크리트 연결보의 변위비 기반 취약도 함수 개발

Title
대각보강된 철근콘크리트 연결보의 변위비 기반 취약도 함수 개발
Other Titles
Drift Ratio-based Fragility Functions for Diagonally Reinforced Concrete Coupling Beams
Author
이창석
Keywords
Coupling beam; Fragility function; Damage state; Diagonal reinforcements
Issue Date
2019-03
Publisher
한국지진공학회
Citation
한국지진공학회논문집, v. 23, NO 2, Page. 131-140
Abstract
Diagonally reinforced concrete coupling beams (DRCBs) have been widely adopted in reinforced concrete (RC) bearing wall systems. DRCBs are known to act as a fuse element dissipating most of seismic energies imparted to the bearing wall systems during earthquakes. Despite such importance of DRCBs, the damage estimation of such components and the corresponding consequences within the knowledge of performance based seismic design framework is not well understood. In this paper, drift-based fragility functions are developed for in-plane loaded DRCBs. Fragility functions are developed to predict the damage and to decide the repair method required for DRCBs subjected to earthquake loading. Thirty-seven experimental results are collected from seventeen published literatures for this effort. Drift-based fragility functions are developed for four damage states of DRCBs subjected to cyclic and monotonic loading associated with minor cracking, severe cracking, onset of strength loss, and significant strength loss. Damage states are defined in a consistent manner. Cumulative distribution functions are fit to the empirical data and evaluated using standard statistical methods.
URI
http://www.eesk-j.or.kr/journal/article.php?code=65881https://repository.hanyang.ac.kr/handle/20.500.11754/132995
ISSN
1226-525X; 2234-1099
DOI
10.5000/EESK.2019.23.2.131
Appears in Collections:
GRADUATE SCHOOL[S](대학원) > ARCHITECTURAL ENGINEERING(건축시스템공학과) > Articles
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