RISK-BASED ASSET MANAGEMENT METHODOLOGY FOR HIGHWAY INFRASTRUCTURE SYSTEMS

作者: Y Y Haimes , R Y Dicdican , James H Lambert

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摘要: Maintaining the infrastructure of roads, highways, and bridges is paramount to ensuring that these assets will remain safe reliable in future. If maintenance costs same or continue escalate, additional funding not made available, highway agency may need reduce new construction cut back on maintenance, both. There a close relationship between cost optimally scheduled preventive versus emergency replacement. The study develops systemic risk-based asset management methodology manage systems. decision making used harmonize coordinate actions different units levels hierarchical organization. enables filtering assessment for while addressing potential extreme events. balances costs, benefits, risks inspection policies as applied various types assets. Three objective functions are evaluating options strategies: minimizing short-term cost, long-term maximizing remaining service life A constraint function harmonizes across eliminate infeasible options. generally applicable large-scale dynamic systems exhibit similar characteristics

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