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Fragility Curve of PSC Box Girder Bridge using Isolator  

Lee, Jongheon (한경대학교 토목공학과)
Kim, Woonhak (경일대학교 건설공학부)
Seo, Sangmok (경일대학교 대학원 건설공학과)
Publication Information
Journal of the Society of Disaster Information / v.8, no.1, 2012 , pp. 36-46 More about this Journal
Abstract
After the east Japan earthquake last March 2011, social interests are intensified in the area of increasing the earthquake resistant ability and the necessity of design method that can minimize the damage from earthquake. If bridges are damaged or collapsed, the social and economic effects are so severe that the evaluation of earthquake resistant ability becomes very important. The reviewing methods for earthquake resistant ability are many, but majority of these methods are deterministic. Thus, for the safety assessment of structures for earthquake, the method for evaluating fragility according to the stage of damage is necessary. In this paper, the fragility curves for PSC Box Girder bridge using LRB and RFPB are constructed for PGA, PGV, SA, SV, SI and the two isolators are compared.
Keywords
Fragility Curve; RFPB; LRB; Stage of Damage;
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