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    Laboratory Study on CR/SBS Modified Asphalt: Preparation and Performance Characterization

    Liang Song1,2,3, Guoqiang Zhang2, Hongfei Xie2, Jie Gao4,*

    Journal of Renewable Materials, Vol.10, No.6, pp. 1659-1674, 2022, DOI:10.32604/jrm.2022.018335

    Abstract Crumble rubber (CR) can be used to prepare CR and styrene-butadiene-styrene (SBS) composite modified asphalt with a good high-and low-temperature performance, meanwhile the addition of CR could work as the substitute for SBS and help reduce the content of SBS. This study contains three main parts: effect of preparation and effect of material composition as well as rheological performance characterization. Factors during the preparation, including shearing temperature, shearing time, mixing time and swelling time, were selected, while base binder, CR content, CR particle size and SBS content in material composition were considered. The effects of these factors were assessed in… More >

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