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Parameterized Seismic Fragility Curves for Curved Multi-frame Concrete Box-Girder Bridges Using Bayesian Parameter Estimation

Title
Parameterized Seismic Fragility Curves for Curved Multi-frame Concrete Box-Girder Bridges Using Bayesian Parameter Estimation
Author
전종수
Keywords
Curved Multi-Frame Concrete Box-Girder Bridges; Multiparameter Demand Models; Parameterized; Bridge-Specific; Bridge-Class Fragility Curves; Bayesian Parameter Estimation; Significant Uncertainty Parameters
Issue Date
2019-07
Publisher
TAYLOR & FRANCIS LTD
Citation
JOURNAL OF EARTHQUAKE ENGINEERING, v. 23, no. 6, Page. 954-979
Abstract
This paper addresses the application of a Bayesian parameter estimation method to a regional seismic risk assessment of curved concrete bridges. For this purpose, numerical models of case-study bridges are simulated to generate multiparameter demand models of components, consisting of various uncertainty parameters and an intensity measure (IM). The demand models are constructed using a Bayesian parameter estimation method and combined with limit states to derive the parameterized fragility curves. These fragility curves are used to develop bridge-specific and bridge-class fragility curves. Moreover, a stepwise removal process in the Bayesian parameter estimation is performed to identify significant parameters affecting component demands.
URI
https://www.tandfonline.com/doi/full/10.1080/13632469.2017.1342291https://repository.hanyang.ac.kr/handle/20.500.11754/152291
ISSN
1363-2469; 1559-808X
DOI
10.1080/13632469.2017.1342291
Appears in Collections:
COLLEGE OF ENGINEERING[S](공과대학) > CIVIL AND ENVIRONMENTAL ENGINEERING(건설환경공학과) > Articles
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