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Effects of a Fuel-Resistant Modifier on the High-Temperature Characteristics of Asphalt Binders

Author

Listed:
  • Wenchang Liu

    (Key Laboratory of Road and Traffic Engineering of Ministry of Education, Tongji University, Shanghai 201804, China)

  • Hongjun Li

    (CCCC Wuhan Harbour Engineering Design & Research Institute Co., Ltd., Wuhan 430040, China
    CCCC Wenshan Expressway Construction and Development Company Ltd., Wenshan 663000, China)

  • Hongwei Lin

    (Key Laboratory of Road and Traffic Engineering of Ministry of Education, Tongji University, Shanghai 201804, China)

  • Xiaobo Du

    (Key Laboratory of Road and Traffic Engineering of Ministry of Education, Tongji University, Shanghai 201804, China)

  • Mutian Sun

    (Key Laboratory of Road and Traffic Engineering of Ministry of Education, Tongji University, Shanghai 201804, China)

  • Shaohui Liu

    (Key Laboratory of Road and Traffic Engineering of Ministry of Education, Tongji University, Shanghai 201804, China)

Abstract

To effectively evaluate the high-temperature characteristics of a fuel-resistant modified asphalt (FRMA), five different types of asphalt were selected, and a fuel-resistant modifier (FRM) was added to the asphalt to prepare five kinds of FRMA, and the fuel resistance of the 10 above-mentioned asphalt samples was then evaluated. Moreover, the high-temperature performance of different asphalt samples was explored, the influences of the FRM on the penetration, softening point, and rheological indexes of the different asphalt samples were analyzed. A Pearson correlation analysis was conducted on the different high-temperature indexes. Based on the results, compared with the original asphalt, the fuel resistance of the FRMA was improved by about 22% on average; the FRM was able to reduce the penetration, phase angle, and non-recoverable creep compliance of the asphalt; increase the softening point, complex modulus, rutting factors, and creep recovery; and effectively improve the high-temperature performance of the asphalt. However, as the temperature increased, the effect of the FRM on the improvement of the high-temperature performance of the asphalt declined. In addition, compared with the base asphalt, the FRM exerted a more significant effect on the rheological properties of the modified asphalt. According to the Pearson correlation analysis of the high-temperature indexes, apart from penetration, the softening point and rheological indexes featured excellent accuracy and applicability in the evaluation of the high-temperature performance of FRMAs.

Suggested Citation

  • Wenchang Liu & Hongjun Li & Hongwei Lin & Xiaobo Du & Mutian Sun & Shaohui Liu, 2021. "Effects of a Fuel-Resistant Modifier on the High-Temperature Characteristics of Asphalt Binders," Sustainability, MDPI, vol. 13(14), pages 1-17, July.
    • Handle: RePEc:gam:jsusta:v:13:y:2021:i:14:p:7924-:d:595039
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    References listed on IDEAS

    as
    1. Bernat Adrià Mora & Markus Hilpert, 2017. "Differences in Infiltration and Evaporation of Diesel and Gasoline Droplets Spilled onto Concrete Pavement," Sustainability, MDPI, vol. 9(7), pages 1-14, July.
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