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Development of the Performance-Based Bridge Maintenance System to Generate Optimum Maintenance Strategy Considering Life-Cycle Cost  

Park, Kyung-Hoon (한국건설기술연구원)
Lee, Sang-Yoon (한국건설기술연구원)
Hwang, Yoon-Koog (한국건설기술연구원)
Kong, Jung-Sik (고려대학교)
Lim, Jong-Kwon ((주)아이엠기술단)
Publication Information
Journal of the Korea institute for structural maintenance and inspection / v.11, no.4, 2007 , pp. 109-120 More about this Journal
Abstract
In this study, a bridge maintenance system is developed to generate performance-based optimum maintenance strategy by considering the life-cycle cost. A multi-objective combinatorial optimization problem is formulated to generate a tradeoff maintenance scenarios which satisfies the balance among the conflicting objectives such as the performance and cost during the bridge lifetime and a genetic algorithm is applied to the system. By using the developed program, this study proposes a process of optimum maintenance scenario applying to the steel girder bridge of national road. The developed system improves the current methods of establishing the bridge maintenance strategy and can be utilized as an efficient tool to provide the optimum bridge maintenance scenario corresponding to the various constraints and requirements of bridge agency.
Keywords
Bridge maintenance system; Optimum maintenance strategy; Life-cycle cost; Bridge performance;
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