Resilient Modulus Characterization of Alaskan Granular Base Materials
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2010-08-01
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Alternative Title:Project title: Impact of Fines Content on Resilient Modulus Reduction of Base ; Courses during Thawing
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Edition:Final project report.
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Abstract:Resilient modulus (MR) of base course material is an important material input for ; pavement design. In Alaska, due to distinctiveness of local climate, material source, ; fines content and groundwater level, resilient properties of D-1 granular base course ; materials are significantly affected by seasonal changes. The presence of fines (P200) ; affects frost susceptibility of base materials and controls the aggregates’ ability to ; support vehicular load, especially during the spring-thaw period. To systematically ; evaluate the impact of fines content on the resilient properties of D-1 base course ; materials with varied fines content, gradation, moisture content and temperature ; during thawing and provide regression coefficients ki which are required for the ; flexible pavement design, a laboratory investigation was conducted on D-1 materials ; from Northern, Central, and Southeast Regions of Alaska Department of ; Transportation and Public Facilities (AKDOT&PF) at different temperatures, ; moisture and fines contents.
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Main Document Checksum:urn:sha-512:e4541bd94fa9dad7eeec226b417e6e79e7ddbae96521ec4635f592c6575e0bf7abfff77aa21cd3eb7159fd665ad77f13b9a025659ed1a6270e8e8757a5cb0258