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http://dx.doi.org/10.7734/COSEIK.2019.32.6.417

Seismic Fragility Assessment Method for RC Bridges in Korea using a Representative Bridge  

An, HyoJoon (Department of Civil Engineering, Inha Univ.)
Jeong, Seong-Hoon (Department of Architectural Engineering, Inha Univ.)
Shin, Soobong (Department of Civil Engineering, Inha Univ.)
Publication Information
Journal of the Computational Structural Engineering Institute of Korea / v.32, no.6, 2019 , pp. 417-423 More about this Journal
Abstract
In this investigation, a set of seismic fragility curves for RC bridges in Korea is derived by considering variations of the representative analytical model. The dimensions and specifications of the model are determined, based on statistical analysis of the inventory of RC bridges in Korea. Variations of important modeling parameters such as material properties, size of structural members, and dimension of the bridge are defined based on statistical studies of the bridges. The OpenSees program is utilized for the analysis to represent the inelastic behavior of RC members. A systematic approach is developed to perform a large volume of inelastic dynamic analysis, in which continuous variation of the modeling parameters are programmed to appropriately represent the characteristics of RC bridges in Korea.
Keywords
seismic fragility curves; RC bridges; representative analytical model; inelastic behavior; OpenSees;
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