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Risk-based asset management methodology for highway infrastructure systems

Author: Ruth Y DicdicanYacov Y HaimesJames Hamilton LambertVirginia Transportation Research Council.Virginia. Department of Transportation.All authors
Publisher: Charlottesville, Va. : Virginia Transportation Research Council, 2004.
Series: VTRC (Series), 04-CR11.
Edition/Format:   Print book : State or province government publication : English
Summary:
Maintaining the infrastructure of roads, highways, and bridges is paramount to ensuring that these assets will remain safe and reliable in the future. If maintenance costs remain the same or continue to escalate, and additional funding is not made available, the highway agency may need to reduce new construction or cut back on maintenance, or both. There is a close relationship between the cost of optimally  Read more...
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Material Type: Government publication, State or province government publication, Internet resource
Document Type: Book, Internet Resource
All Authors / Contributors: Ruth Y Dicdican; Yacov Y Haimes; James Hamilton Lambert; Virginia Transportation Research Council.; Virginia. Department of Transportation.; United States. Federal Highway Administration.
OCLC Number: 54474362
Notes: Project managers: Wayne S. Ferguson, Daniel S. Roosevelt.
"February 2004."
Description: iii, 21 pages : illustrations ; 28 cm.
Series Title: VTRC (Series), 04-CR11.
Responsibility: Ruth Y. Dicdican, Yacov Y. Haimes, James H. Lambert.

Abstract:

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

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