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Towards a holistic prioritization of climate-change risks for bridges

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Authors
Nasr, Amro; Björnsson, Ivar; Honfi, Dániel; Larsson Ivanov, Oskar; Johansson, Jonas; Kjellström, Erik
Issue Date
2019-05-26
Citation
13th International Conference on Applications of Statistics and Probability in Civil Engineering(ICASP13), Seoul, South Korea, May 26-30, 2019
Abstract
Although the projected changes in the climate include considerable uncertainties, especially with downscaling, there is irrefutable evidence that the climate is changing at an unprecedented and alarming rate. In recent studies, some of the potential climate-change risks on bridges have been identified. The sheer number of these potential risks provokes two questions. Firstly, for a certain risk of interest (e.g. increased scour rate) which bridges should be prioritized from an inventory of bridges? Secondly, for a specific bridge, which of these risks are more critical? This paper proposes a method that can be used for addressing these two questions while considering the uncertainties intrinsic to the problem. Although this paper focuses on addressing the first question, a discussion on how the proposed method can be used for answering the second is also presented. The suggested method is based on four risk components
namely: hazard, exposure, vulnerability, and consequences. In spite of being specifically tailored for bridges, the developed method can be easily extended to other types of infrastructure. The proposed method is a step towards an improved climate-change risk management.
Language
English
URI
https://hdl.handle.net/10371/153433
DOI
https://doi.org/10.22725/ICASP13.263
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College of Engineering/Engineering Practice School (공과대학/대학원)Dept. of Civil & Environmental Engineering (건설환경공학부)ICASP13
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