A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Evaluation of Bridge Deck Protective Systems
The combined results of two studies designed to determine the cost-effectiveness of several alternate bridge deck protective systems are presented. A total of 15 installations were evaluated including nine waterproofing membranes (with bituminous overlays), three latex modified concrete overlays, one low-slump/high-density concrete overlay and two penetrating sealers (one system). The time-in-service of these installations ranges from about 4 to 14 years. The study findings indicate that all of the systems, with the exception of the concrete sealer, are viable restoration methods that can be used to extend the life of a lightly to moderately deteriorated deck an estimated 10 to 15 years. The performance of the sealer was unsatisfactory since it did not provide the expected protection against water and chloride intrusion. Life-cycle costing techniques were used to determine the economic benefit to the Department when employing either of the systems to delay complete deck replacement for varying periods of time. Recommendations for future use of these systems and cathodic protection, a potentially viable alternate, are presented.
Evaluation of Bridge Deck Protective Systems
The combined results of two studies designed to determine the cost-effectiveness of several alternate bridge deck protective systems are presented. A total of 15 installations were evaluated including nine waterproofing membranes (with bituminous overlays), three latex modified concrete overlays, one low-slump/high-density concrete overlay and two penetrating sealers (one system). The time-in-service of these installations ranges from about 4 to 14 years. The study findings indicate that all of the systems, with the exception of the concrete sealer, are viable restoration methods that can be used to extend the life of a lightly to moderately deteriorated deck an estimated 10 to 15 years. The performance of the sealer was unsatisfactory since it did not provide the expected protection against water and chloride intrusion. Life-cycle costing techniques were used to determine the economic benefit to the Department when employing either of the systems to delay complete deck replacement for varying periods of time. Recommendations for future use of these systems and cathodic protection, a potentially viable alternate, are presented.
Evaluation of Bridge Deck Protective Systems
C. L. Younger (author)
1989
73 pages
Report
No indication
English
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