期刊
JOURNAL OF BRIDGE ENGINEERING
卷 17, 期 1, 页码 117-129出版社
ASCE-AMER SOC CIVIL ENGINEERS
DOI: 10.1061/(ASCE)BE.1943-5592.0000201
关键词
Highway bridges; Optimization; Costs; Disasters; Resilience; Bridges; Optimization; Prioritization; Cost; Disaster
资金
- National Science Foundation [CMS-0639428]
- Commonwealth of Pennsylvania, Department of Community and Economic Development, through the Pennsylvania Infrastructure Technology Alliance
- U.S. Federal Highway Administration [DTFH61-07-H-00040]
In this paper, a general framework for the optimal resilience- and cost-based prioritization of interventions on bridges distributed along a highway connection between two cities that have experienced a disruptive natural or man-made event is proposed. Given the structural damage levels after the extreme event and the bridge characteristics, the proposed computational procedure finds the best intervention schedules, defined as starting time and progress pace of the restoration. The possible intervention schedules are considered optimal when they maximize the resilience of the highway segment and minimize the total cost of interventions. Because the two objectives are conflicting, the procedure uses genetic algorithms (GAs) to automatically generate a Pareto front of optimal solutions. Numerical examples are presented and discussed. DOI: 10.1061/(ASCE)BE.1943-5592.0000201. (C) 2012 American Society of Civil Engineers.
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