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    Volume 40, Issue 7 (December 2012)

    Special Issue Paper

    Research on the Design of AR-AC13S Mixtures

    (Received 12 May 2012; accepted 10 September 2012)

    Published Online: 2012


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    Lists of requirements for asphalt concrete (AC)–asphalt rubber (AR) mixture designs and construction have been published by many countries. The criteria indicated by other countries needed to be evaluated when AR-AC mixtures were used in China. This study has produced mixture design requirements for AR-AC13S mixtures (AR-AC mixtures with a 13 mm nominal maximum aggregate size and an S-shaped gradation curve) based on laboratory tests and field application in Jiangsu Province, China. The molding method of the mixture specimen, voids in mineral aggregate (VMA), air voids, mineral filler content, and gradation of the mixture are discussed. Recommendations for 5.5 % air voids and 20 % minimum VMA were made. The ratio of mineral filler to AR should be greater than 0.3 for good high temperature stability. The low temperature performance degrades with an increasing ratio of mineral filler to AR. The gradation of AR-AC13S mixture is recommended based on the analysis of VMA, voids in coarse aggregate, and mineral filler content.

    Author Information:

    Gao, Ying
    Associate Professor, School of Transportation, Southeast Univ., Nanjing,

    Cao, Rongji
    Senior Engineer, Jiangsu Transportation Research Institute Co., LTD, Nanjing,

    Stock #: JTE20120158


    DOI: 10.1520/JTE20120158

    Title Research on the Design of AR-AC13S Mixtures
    Symposium ,
    Committee D04