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Effects of Diatomite–Limestone Powder Ratio on Mechanical and Anti-Deformation Properties of Sustainable Sand Asphalt Composite

Author

Listed:
  • Yongchun Cheng

    (Transportation, Jilin University, Changchun 130025, China)

  • Chunfeng Zhu

    (Transportation, Jilin University, Changchun 130025, China
    Jilin Communications Polytechnic, Changchun 130012, China)

  • Jinglin Tao

    (Jiangxi Research Institute of Transportation, Nanchang 330200, China)

  • Yubo Jiao

    (Transportation, Jilin University, Changchun 130025, China)

  • Di Yu

    (Transportation, Jilin University, Changchun 130025, China)

  • Bo Xiao

    (Jilin Communications Polytechnic, Changchun 130012, China)

Abstract

Diatomite has gained more and more interest as a new resource, since it has potential as a favorable alternative to mineral filler in the construction of asphalt pavement compared with ordinary limestone powder. In this paper, the mechanical and anti-deformation properties of sand asphalt composites with various proportions of diatomite were investigated by a uniaxial compression failure test, a uniaxial compression repeated creep test, and a low-temperature splitting test in order to determine the optimal replacement content of ordinary limestone powder. Five groups of sand asphalts with various volume ratios of diatomite to limestone (0:1, 0.25:0.75, 0.5:0.5, 0.75:0.25, and 1:0) were determined by the simplex-lattice mixture design (SLD) method. The results reveal that the compression strength, anti-deformation properties, and low-temperature crack resistance of sand asphalts are improved through the use of diatomite. Furthermore, the optimal ratio (0.327:0.673) of limestone to diatomite is determined by the SLD method, according to secant modulus and creep strain results.

Suggested Citation

  • 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.
    • Handle: RePEc:gam:jsusta:v:10:y:2018:i:3:p:808-:d:136277
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    References listed on IDEAS

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    1. 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.
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    Cited by:

    1. 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.

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