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Fatigue Properties of Cold-Recycled Emulsified Asphalt Mixtures Fabricated by Different Compaction Methods

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  • Yingjun Jiang

    (Key Laboratory for Special Area Highway Engineering of Ministry of Education, Chang’an University, Xi’an 710064, Shaanxi, China)

  • Hongwei Lin

    (Key Laboratory for Special Area Highway Engineering of Ministry of Education, Chang’an University, Xi’an 710064, Shaanxi, China)

  • Zhanchuang Han

    (Key Laboratory for Special Area Highway Engineering of Ministry of Education, Chang’an University, Xi’an 710064, Shaanxi, China)

  • Changqing Deng

    (Key Laboratory for Special Area Highway Engineering of Ministry of Education, Chang’an University, Xi’an 710064, Shaanxi, China)

Abstract

This paper focuses on investigating the fatigue properties of cold-recycled emulsified asphalt mixtures (CEAMs) designed via two different compaction methods. First, two different CEAM compaction procedures were investigated and evaluated, including the modified Marshall compaction method (MMCM) and the vertical vibration testing method (VVTM). Indirect tensile fatigue tests were then performed to research the fatigue lives of CEAMs fabricated via the two methods. Finally, a Weibull distribution was applied to analyze the fatigue test results, and the fatigue equation was constructed. The results indicated that the average mechanical strength ratio between the CEAM samples produced by VVTM and the field core samples was >92%, whereas the average ratio of the specimens shaped by the MMCM was <65%. Compared with MMCM-molded CEAMs, VVTM-fabricated CEAMs showed decreased optimal moisture and emulsified asphalt contents by 11% and 9%, respectively, but exhibited improved moisture stability, anti-cracking performance, and anti-rutting performance by 4%, 12%, and 35%, respectively. The fatigue equations established on the basis of the Weibull distribution could effectively assess the fatigue life of CEAMs. The VVTM-manufactured CEAMs showed good resistance of stress change sensitivity and fatigue failure under different stress ratios. The VVTM-compacted CEAMs demonstrated increased fatigue life by 36% at a stress ratio of 0.45 and by 325% at a repeated load of 0.27 MPa compared with the MMCM-fabricated CEAMs.

Suggested Citation

  • Yingjun Jiang & Hongwei Lin & Zhanchuang Han & Changqing Deng, 2019. "Fatigue Properties of Cold-Recycled Emulsified Asphalt Mixtures Fabricated by Different Compaction Methods," Sustainability, MDPI, vol. 11(12), pages 1-15, June.
    • Handle: RePEc:gam:jsusta:v:11:y:2019:i:12:p:3483-:d:242748
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    References listed on IDEAS

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    1. F. C. G. Martinho & L. G. Picado-Santos & S. D. Capitão, 2018. "Feasibility Assessment of the Use of Recycled Aggregates for Asphalt Mixtures," Sustainability, MDPI, vol. 10(6), pages 1-23, May.
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    Cited by:

    1. Xiaoping Ji & Honglei Lu & Cong Dai & Yonggen Ye & Zhifei Cui & Yue Xiong, 2021. "Characterization of Properties of Soil–Rock Mixture Prepared by the Laboratory Vibration Compaction Method," Sustainability, MDPI, vol. 13(20), pages 1-18, October.
    2. Syed Faizan Husain & Issam I. A. Qamhia & Abhilash Vyas & Renan Santos Maia & Erol Tutumluer & Ramez Hajj, 2023. "Emulsion Mixtures of Fractionated Reclaimed Asphalt Pavement and Quarry By-Products: A Laboratory Evaluation," Sustainability, MDPI, vol. 15(13), pages 1-15, July.

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