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Short-Term Aging Effect on Properties of Sustainable Pavement Asphalts Modified by Waste Rubber and Diatomite

Author

Listed:
  • Hanbing Liu

    (College of Transportation, Jilin University, Changchun 130025, China)

  • Liuxu Fu

    (College of Transportation, Jilin University, Changchun 130025, China)

  • Yubo Jiao

    (College of Transportation, Jilin University, Changchun 130025, China)

  • Jinglin Tao

    (College of Transportation, Jilin University, Changchun 130025, China)

  • Xianqiang Wang

    (College of Transportation, Jilin University, Changchun 130025, China)

Abstract

Waste utilization has gained more and more interest. In this study, crumb rubber and diatomite were used to modify asphalt binder and the short-term aging effects on the properties of modified asphalts were evaluated. Three kinds of modified asphalt were prepared; they are diatomite modified asphalt (DA), crumb rubber modified asphalt (RA), and diatomite and crumb rubber compound modified asphalt (DRA). Thin film oven test (TFOT) was used to simulate short-term aging in the laboratory. Penetration, softening points, ductility, viscosity, elastic recovery, low temperature creep, and rutting susceptibility were tested and analyzed before and after TFOT. The results indicated that the softening point, viscosity, elastic recovery, creep stiffness, and G */sin δ of DA, RA, and DRA are all linearly increased with increasing age, while the penetration and ductility are linearly decreased with increasing age. High temperature properties of asphalt are obviously improved by the addition of crumb rubber. Low temperature properties of asphalt are affected more seriously by the addition of diatomite. DRA could combine the advantages of diatomite and crumb rubber and achieve better performance in short-term aging resistance than DA and RA.

Suggested Citation

  • Hanbing Liu & Liuxu Fu & Yubo Jiao & Jinglin Tao & Xianqiang Wang, 2017. "Short-Term Aging Effect on Properties of Sustainable Pavement Asphalts Modified by Waste Rubber and Diatomite," Sustainability, MDPI, vol. 9(6), pages 1-15, June.
    • Handle: RePEc:gam:jsusta:v:9:y:2017:i:6:p:996-:d:100988
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    References listed on IDEAS

    as
    1. Muhammad Nasir Amin & Muhammad Imran Khan & Muhammad Umair Saleem, 2016. "Performance Evaluation of Asphalt Modified with Municipal Wastes for Sustainable Pavement Construction," Sustainability, MDPI, vol. 8(10), pages 1-13, September.
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    Cited by:

    1. Yongchun Cheng & Chunfeng Zhu & Jinglin Tao & Yubo Jiao & Di Yu & Bo Xiao, 2018. "Effects of Diatomite–Limestone Powder Ratio on Mechanical and Anti-Deformation Properties of Sustainable Sand Asphalt Composite," Sustainability, MDPI, vol. 10(3), pages 1-17, March.
    2. Yongchun Cheng & Wensheng Wang & Guojin Tan & Chenglin Shi, 2018. "Assessing High- and Low-Temperature Properties of Asphalt Pavements Incorporating Waste Oil Shale as an Alternative Material in Jilin Province, China," Sustainability, MDPI, vol. 10(7), pages 1-17, June.
    3. Emiliano Prosperi & Edoardo Bocci, 2021. "A Review on Bitumen Aging and Rejuvenation Chemistry: Processes, Materials and Analyses," Sustainability, MDPI, vol. 13(12), pages 1-35, June.

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