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이영주

Lee, Young-Joo
Structural Reliability and Disaster Risk Lab.
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유한요소 신뢰성해석을 이용한 홍수 취약도 곡선 도출

Alternative Title
Flood fragility curve derivation using finite element reliability analysis
Author(s)
이재범이영주김현준심성한김진만
Issued Date
2016-04-07
URI
https://scholarworks.unist.ac.kr/handle/201301/34352
Citation
2016 한국구조물진단유지관리공학회 봄 학술발표회
Abstract
In countries that suffer from heavy rain such as Korea, bridges have to be prepared for a sudden water level increase. However, research on the flood risk assessment for bridges has gained less attention than earthquakes, even though one of the major causes of bridge failures has been reported to be flood. In addition, various sources of uncertainty make it challenging to evaluate the flood fragility of a bridge, and there have been few studies on the flood fragility curve derivation for bridges. The present study proposes a new methodology employing finite element reliability analysis to derive flood fragility curve. In the proposed method, two software packages, ABAQUS and FERUM, are connected so that reliability analysis can be performed in conjunction with sophisticated finite element analysis flood fragility
assessment. The method is applied a real bridge in Korea, and flood fragility curves are derived for multiple damage states.
Publisher
한국구조물진단유지관리공학회

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