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Life Cycle Assessment of Natural Zeolite-Based Warm Mix Asphalt and Reclaimed Asphalt Pavement

Author

Listed:
  • Aner Martinez-Soto

    (Department of Civil Engineering, Faculty of Engineering and Science, Universidad de La Frontera, Temuco 4780000, Chile)

  • Alejandra Calabi-Floody

    (Department of Civil Engineering, Faculty of Engineering and Science, Universidad de La Frontera, Temuco 4780000, Chile)

  • Gonzalo Valdes-Vidal

    (Department of Civil Engineering, Faculty of Engineering and Science, Universidad de La Frontera, Temuco 4780000, Chile)

  • Andrea Hucke

    (Independence Community College, Independence, KS 67301, USA)

  • Camila Martinez-Toledo

    (Department of Civil Engineering, Faculty of Engineering and Science, Universidad de La Frontera, Temuco 4780000, Chile)

Abstract

Today, an important part of paved surfaces in the world uses asphalt mixtures. This practice increases the use of aggregates and fossil fuels, the availability of which is limited. Most of the studies referring to asphalt mixtures reported and compared the mechanical performances without detailing the environmental impacts of the different technologies proposed. The objective of this study was to present and compare through a life cycle assessment using a “cradle-to-gate” approach of different types of asphalt mixtures designed for the same performance, hot mix asphalt (HMA) as a control sample, and warm mix asphalt (WMA) using natural zeolite, Evotherm ® and reclaimed asphalt material (RAP) in different proportions. The analysis was performed using SimaPro 9 software, using the ReCiPe method version 1.11. For the comparison of the environmental impacts, 1 ton of asphalt mixture was used as a functional unit. The most relevant results show that the use of natural zeolite or Evotherm ® helps to reduce environmental impacts. In the global warming impact category, the decrease between the standard HMA and a mix with RAP and natural zeolite was 8%, while in the fossil fuel depletion, the decrease was 13%.

Suggested Citation

  • Aner Martinez-Soto & Alejandra Calabi-Floody & Gonzalo Valdes-Vidal & Andrea Hucke & Camila Martinez-Toledo, 2023. "Life Cycle Assessment of Natural Zeolite-Based Warm Mix Asphalt and Reclaimed Asphalt Pavement," Sustainability, MDPI, vol. 15(2), pages 1-12, January.
    • Handle: RePEc:gam:jsusta:v:15:y:2023:i:2:p:1003-:d:1026299
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    References listed on IDEAS

    as
    1. Gilbert Kollenbach, 2017. "Endogenous growth with a limited fossil fuel extraction capacity," Canadian Journal of Economics/Revue canadienne d'économique, John Wiley & Sons, vol. 50(1), pages 233-272, February.
    2. Gilbert Kollenbach, 2017. "Endogenous growth with a limited fossil fuel extraction capacity," Canadian Journal of Economics, Canadian Economics Association, vol. 50(1), pages 233-272, February.
    3. Aner Martinez-Soto & Gonzalo Valdes-Vidal & Alejandra Calabi-Floody & Constanza Avendaño-Vera & Camila Martínez-Toledo, 2022. "Comparison of Environmental Loads of Fibers Used in the Manufacture of Hot Mix Asphalt (HMA) and Stone Mastic Asphalt (SMA) Mixes Using a Life Cycle Assessment (LCA)," Sustainability, MDPI, vol. 14(21), pages 1-13, November.
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    Cited by:

    1. Kátia Aline Bohn & Liseane Padilha Thives & Luciano Pivoto Specht, 2023. "Physical, Rheological, and Permanent Deformation Behaviors of WMA-RAP Asphalt Binders," Sustainability, MDPI, vol. 15(18), pages 1-21, September.
    2. Ahmed Eltwati & Ramadhansyah Putra Jaya & Azman Mohamed & Euniza Jusli & Zaid Al-Saffar & Mohd Rosli Hainin & Mahmoud Enieb, 2023. "Effect of Warm Mix Asphalt (WMA) Antistripping Agent on Performance of Waste Engine Oil-Rejuvenated Asphalt Binders and Mixtures," Sustainability, MDPI, vol. 15(4), pages 1-27, February.

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