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    Volume 40, Issue 5 (September 2012)

    Special Issue Paper

    Comparative Study on Laboratory Performance of Hot- and Warm-mix Asphalt Mixtures

    (Received 12 March 2012; accepted 24 April 2012)

    Published Online: 2012

    CODEN: JTEOAD

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    Abstract

    In an effort to study sustainable environmentally friendly pavement, the physical mechanics and road performance of warm-mix asphalt mixtures based on an emulsifying platform were studied via the Marshall design method. The results show that the optimum asphalt content of warm-mix asphalt mixtures is generally higher than that of hot-mix asphalt mixtures by 0.1 % to 0.2 %; the values of the stability, bulk specific gravity, air voids, and voids in mineral aggregate do not change significantly; and the number of voids filled with asphalt and the flow value increase a little. The residual stability value of warm-mix asphalt mixtures increases, whereas the freeze–thaw splitting strength decreases. The high-temperature performance and seepage performance of warm-mix asphalt mixtures are similar to those of hot-mix asphalt mixtures.


    Author Information:

    Tan, Yiqiu
    Harbin Institute of Technology, Harbin,

    Guo, Meng
    Harbin Institute of Technology, Harbin,

    Xu, Huining
    Harbin Institute of Technology, Harbin,

    Zhang, Rui
    Harbin Institute of Technology, Harbin,


    Stock #: JTE20120056

    ISSN: 0090-3973

    DOI: 10.1520/JTE20120056

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    Author
    Title Comparative Study on Laboratory Performance of Hot- and Warm-mix Asphalt Mixtures
    Symposium , 0000-00-00
    Committee D04