Bridge fragilities to network fragilities in seismic scenarios: An integrated approach
- Authors
- Chen, Mengdie; Mangalathu, Sujith; Jeon, Jong-Su
- Issue Date
- Jun-2021
- Publisher
- ELSEVIER SCI LTD
- Keywords
- Bridge network analysis; Network fragility; Bridge fragility; Retrofitting strategy; Earthquakes
- Citation
- ENGINEERING STRUCTURES, v.237, pp.1 - 12
- Indexed
- SCIE
SCOPUS
- Journal Title
- ENGINEERING STRUCTURES
- Volume
- 237
- Start Page
- 1
- End Page
- 12
- URI
- https://scholarworks.bwise.kr/hanyang/handle/2021.sw.hanyang/1098
- DOI
- 10.1016/j.engstruct.2021.112212
- ISSN
- 0141-0296
- Abstract
- As significant uncertainties are associated with the factors governing the operational characteristics of bridges following earthquakes, it is important to compute the reliability of transportation networks as a function of bridge fragility. A novel framework for the computation of transportation network fragilities following earthquakes is proposed herein, and the effectiveness of the proposed methodology is demonstrated using a hypothetical bridge network in California, USA. The proposed methodology affords the likelihood of functionality of bridge routes as a function of ground motion intensity. The network fragilities identified by this methodology can aid emergency responders and bridge owners in assessing the availability of possible routes after a seismic event based on the likelihoods of functionality of the routes.
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