NDLI: Application of Mechanistic-Empirical and Life-Cycle Cost Analyses for Optimizing Flexible Pavement Maintenance and Rehabilitation

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Application of Mechanistic-Empirical and Life-Cycle Cost Analyses for Optimizing Flexible Pavement Maintenance and Rehabilitation

Content Provider	Semantic Scholar
Author	Mandapaka, Venkata Basheer, Imad A. Harvey, John T. Sivaneswaran, Nadarajah Ullidtz, Per Sahasi, Khushminder Singh
Copyright Year	2011
Abstract	In this study an attempt was made to evaluate and select an optimal Maintenance and Rehabilitation (M&R) strategy for a designed flexible pavement by integrating Life Cycle Cost Analysis (LCCA) and Mechanistic-Empirical (M-E) design procedures. A 11.27-Km long section of 4-lane Highway 53, in Lake County, California is considered for this project level study. A flexible pavement structure was designed for a 20-year service life using the California M-E design program, CalME, and the incremental-recursive damage analysis method. Three M&R strategies namely, Extended Pavement Preservation (EPP), Preservation-Preservation-Rehabilitation (PPR) and Rehabilitation only (R) available in the CalME program were evaluated. Each M&R strategy requires application of such strategy as certain levels of distresses (rutting and cracking) are reached. The California-customized RealCost LCCA program was also employed to compare the various M&R strategies using the Equivalent Uniform Annual Cost (EUAC). LCCA demonstrated that EPP was the best economical alternative to maintain the pavement in a good usable condition for as long as 80 years of service. The methodology employed in this paper also demonstrated that extended life pavement may be achieved from a 20-year design by selecting the optimal preservation techniques and optimizing their time of application.
File Format	PDF HTM / HTML
Alternate Webpage(s)	https://www.pavementpreservation.org/wp-content/uploads/presentations/Clemons%20Study%20Report.pdf
Language	English
Access Restriction	Open
Content Type	Text
Resource Type	Article

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