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Durability Performance of PVA Fiber Cement-Stabilized Macadam

Author

Listed:
  • Songyuan Tan

    (School of Highway, Chang’an University, Xi’an 710064, China)

  • Chaohui Wang

    (School of Highway, Chang’an University, Xi’an 710064, China)

  • Qi Zheng

    (Hebei Polytechnic Institute, Shijiazhuang 050020, China)

  • Feng Chen

    (Shanxi Transportation Technology Consulting Co., Ltd., Xi’an 710068, China)

  • Yunjie Huang

    (School of Highway, Chang’an University, Xi’an 710064, China)

Abstract

To further improve the durability of cement-stabilized macadam and guarantee the use quality and sustainability of a semi-rigid base, the current study was carried out. With the help of a dry shrinkage test, temperature shrinkage test, freeze–thaw bending test, and fatigue test, the effect of incorporating PVA fiber on the deformation characteristics of cement-stabilized macadam was analyzed, and the changes in low-temperature residual toughness of the mixture before and after modification were compared. The low-temperature toughness of PVA fiber cement-stabilized macadam was evaluated with the help of the standard toughness evaluation method. The fatigue life prediction equation of PVA fiber cement-stabilized macadam was established based on the Weibull distribution. The results showed that PVA fiber can effectively improve the deformation characteristics, low-temperature toughness, and fatigue performance of cement-stabilized macadam. The low-temperature residual flexural tensile strength and low-temperature bearing capacity were increased by 10.3% and 55.3%, respectively. The residual toughness indices were increased by 58.6%, 88.1%, and 98.3% and the residual strength index was increased by more than 100%. The fatigue life was improved by 178~368% under different stress intensity ratios. The fatigue life values obeyed the two-parameter Weibull distribution, and the correlation between the fatigue life prediction equation and the measured data was significant. The fatigue life prediction error was between 0.03 and 4.9% under different stress intensity ratios.

Suggested Citation

  • Songyuan Tan & Chaohui Wang & Qi Zheng & Feng Chen & Yunjie Huang, 2022. "Durability Performance of PVA Fiber Cement-Stabilized Macadam," Sustainability, MDPI, vol. 14(24), pages 1-12, December.
    • Handle: RePEc:gam:jsusta:v:14:y:2022:i:24:p:16953-:d:1006687
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    References listed on IDEAS

    as
    1. Wang, Shuai & Wang, Chaohui & Yuan, Huazhi & Ji, Xiaoping & Yu, Gongxin & Jia, Xiaodong, 2023. "Size effect of piezoelectric energy harvester for road with high efficiency electrical properties," Applied Energy, Elsevier, vol. 330(PB).
    2. Penghui Wen & Chaohui Wang & Liang Song & Liangliang Niu & Haoyu Chen, 2021. "Durability and Sustainability of Cement-Stabilized Materials Based on Utilization of Waste Materials: A Literature Review," Sustainability, MDPI, vol. 13(21), pages 1-27, October.
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