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Fatigue Performance of Recycled Asphalt Mixtures: Viscoelastic Continuum Damage Approach and Cost Analysis

Author

Listed:
  • Bethania Machado Correa

    (Postgraduate Program in Civil Engineering: Civil Constructure and Infrastructure, Federal University of Rio Grande do Sul, Ave. Osvaldo Aranha, 99, 706, Porto Alegre 90035-190, Brazil)

  • Luciano Pivoto Specht

    (Transpor Department, Federal University of Santa Maria, Santa Maria 97105-900, Brazil)

  • Silvio Lisboa Schuster

    (Transpor Department, Federal University of Santa Maria, Santa Maria 97105-900, Brazil)

  • Pedro Orlando Borges de Almeida Júnior

    (Transpor Department, Federal University of Santa Maria, Santa Maria 97105-900, Brazil)

  • Cléber Faccin

    (Transpor Department, Federal University of Santa Maria, Santa Maria 97105-900, Brazil)

  • Fernando Dekeper Boeira

    (CCR ViaSul, Porto Alegre 90240-602, Brazil)

  • Deividi da Silva Pereira

    (Transpor Department, Federal University of Santa Maria, Santa Maria 97105-900, Brazil)

  • Luis Alberto Herrmann do Nascimento

    (Cenpes/Petrobras, Asphalt Research Laboratory, Rio de Janeiro 21941-915, Brazil)

  • Lélio Antônio Teixeira Brito

    (Postgraduate Program in Civil Engineering: Civil Constructure and Infrastructure, Federal University of Rio Grande do Sul, Ave. Osvaldo Aranha, 99, 706, Porto Alegre 90035-190, Brazil)

Abstract

This study aims to evaluate the fatigue phenomenon in recycled hot asphalt mixture for an asphalt surface layer. Eight mixtures were evaluated in the laboratory, and the samples were divided into two major groups: four mixtures containing neat binder and RAP from source 1 (RAP with neat binder) and four mixtures containing SBS-modified binder and RAP from source 2 (RAP with SBS-modified binder). The levels of RAP incorporation were 0%, 10%, 20%, and 30% in relation to the total weight of the mixtures. The mixtures followed the Marshall mix design methodology. The results indicate that mixtures with polymer-modified binder presented better performance, whereas the addition of RAP slightly decreased the resistance to fatigue cracking. In terms of economic analysis, the use of RAP, for all cases, leads to a reduction in production costs due to the reduction of the binder and aggregate added, with savings of up to 14.1% in the case of 30% of RAP for the SBS binder. When evaluating the economic impact of inserting RAP and its relationship with fatigue performance in the long term, it can be observed that the type of binder added impacts the results: mixtures with SBS binder present economic gains within acceptable quality parameters up to 30% RAP insertion; for mixtures with neat binder, the percentage of up to 10% RAP is advantageous.

Suggested Citation

  • Bethania Machado Correa & Luciano Pivoto Specht & Silvio Lisboa Schuster & Pedro Orlando Borges de Almeida Júnior & Cléber Faccin & Fernando Dekeper Boeira & Deividi da Silva Pereira & Luis Alberto He, 2023. "Fatigue Performance of Recycled Asphalt Mixtures: Viscoelastic Continuum Damage Approach and Cost Analysis," Sustainability, MDPI, vol. 15(11), pages 1-20, May.
    • Handle: RePEc:gam:jsusta:v:15:y:2023:i:11:p:8794-:d:1159234
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    References listed on IDEAS

    as
    1. Zaid Hazim Al-Saffar & Haryati Yaacob & Mohammed S. Al Jawahery & Salim T. Yousif & Mohd Khairul Idham Mohd Satar & Ramadhansyah Putra Jaya & Hassanain Radhi Radeef & Ahmed Salama Eltwati & Ekarizan S, 2023. "Extraction and Characterisation of Maltene from Virgin Asphalt as a Potential Rejuvenating Agent," Sustainability, MDPI, vol. 15(2), pages 1-16, January.
    2. Qingwei Ma & Zhongyin Guo & Ping Guo & Liangyu Sun & Fayong Yang & Haibin Li, 2021. "RETRACTED: Research on Fatigue Prediction Model of Asphalt Mixture with High RAP Content," Sustainability, MDPI, vol. 13(14), pages 1-16, July.
    3. Hassan Ziari & Mojtaba Hajiloo & Pooyan Ayar, 2022. "Influence of Recycling Agents Addition Methods on Asphalt Mixtures Properties Containing Reclaimed Asphalt Pavement (RAP)," Sustainability, MDPI, vol. 14(24), pages 1-18, December.
    4. Kunpeng Zheng & Jian Xu & Jie Wang, 2023. "Viscoelasticity of Recycled Asphalt Mixtures with High Content Reclaimed SBS Modified Asphalt Pavement," Sustainability, MDPI, vol. 15(3), pages 1-13, January.
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