United States Department of Transportation
i
Zero-Maintenance Pavement: Results of Field Studies on the Performance Requirements and Capabilities of Conventional Pavement Systems
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1976-04-01
[PDF-11.24 MB]
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Edition:Interim Report
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Abstract:This report presents results achieved during the first year's effort to determine performance requirements and capabilities of heavily trafficked conventional pavements to provide zero-maintenance performance. Five types of pavements are under consideration in this study: plain jointed concrete, reinforced jointed concrete, continuously reinforced concrete, flexible, and composite pavements. An extensive field survey of over 60 pavements carrying high traffic volumes was conducted and comprehensive analytical analyses were performed. Results presented herein include (1) an evaluation of the adequacy of commonly used design procedures to provide maintenance-free performance, (2) the identification of types of major distress, their causes, and maintenance performed for the five pavement types under consideration, (3) limiting design criteria for zero-maintenance design, and (4) a determination of the maximum maintenance-free lives of each pavement subjected to different environments. Recommendations are also made as to the most promising pavement types for consideration in zero-maintenance design. A wealth of basic data has been accumulated for the development of zero-maintenance pavement design procedures during the next phase of the project.
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