Investigation of the inputs for the MEPDG for rigid pavements.
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2013-03-01
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Abstract:There are great advantages in the design of infrastructure if design procedures are used that are based ; on mechanisms and variables that determine the performance of the element in service. The American ; Association of State Highway and Transportation Officials (AASHTO) have recently published a new ; mechanistic and empirical pavement design guide (MEPDG) for flexible and rigid pavements which ; aims to accomplish this. This design guide is implemented through the use of computer software that ; provides an analysis of the performance of a given concrete pavement over time. The Oklahoma ; Department of Transportation (ODOT) is investigating the implementation of the MEPDG and has ; sponsored a research project at Oklahoma State University to help determine the recommended input ; parameters for concrete pavements in the state. ; This reports completes a sensitivity analysis of the MEPDG based on Oklahoma pavements, provides a ; literature review of base material best practices, increases the Oklahoma weather data available for the ; MEPDG, investigates the impact of curing on curling from drying shrinkage and from temperature ; differentials in concrete pavements, provides regional input guidance for strength, coefficient of ; thermal expansion, and shrinkage for Oklahoma concrete mixtures.
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Main Document Checksum:urn:sha-512:3abbe4894d974975fb6f635c0caf303cc9fa4a729e0ca1ae582200df7292b877500ffc3ea3f134fd799373cf3009c42744485147a4374851632d62215b3d2b5e