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Corrosion; Limit states; Life cycle cost; Reliability; Concrete; Bridge decks; Rehabilitation; Replacement
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Bridge Deck Replacement For Minimum Expected Cost Under Multiple Reliability Constraints, Mark G. Stewart, Allen C. Estes, Dan M. Frangopol
Bridge Deck Replacement For Minimum Expected Cost Under Multiple Reliability Constraints, Mark G. Stewart, Allen C. Estes, Dan M. Frangopol
Architectural Engineering
The present paper investigates the effect of limit state selection (strength versus serviceability) on bridge deck life-cycle costs and thus on optimal repair strategies. Such a comparison may then help determine whether safety or functionality (or both) are important criteria when optimizing bridge life-cycle performance and costs. The structural element under consideration is a reinforced concrete bridge deck; namely, a State Highway Bridge in Colorado. Two limit states are considered: ultimate strength and serviceability. The exceedence of either of the limit states considered herein will result in deck replacement; namely, if the reliability index falls below a target reliability index …