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Life-cycle assessment of pavements Part II: Filling the research gaps

Author

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  • Santero, Nicholas J.
  • Masanet, Eric
  • Horvath, Arpad

Abstract

As life-cycle assessment (LCA) increasingly is used to evaluate the environmental footprint of pavements, there is growing need to critique the state and utility of the supporting science. LCA is a data-intensive methodology that requires inputs and models from a variety of different scientific fields. While some data sources are mature, others are products of nascent and inexact research. Within pavement LCAs, traffic delay, rolling resistance, concrete carbonation, pavement albedo, lighting, leachate, and end of life allocation are areas where the supporting science is incomplete or is ineffectively incorporated into the pavement LCA framework. These components produce quantitative gaps in the assessment methodology, thus jeopardizing the accuracy of results and defensibility of conclusions. Benchmarking where the science stands allows practitioners to perform LCAs while incorporating the best available information, including best estimates and gross evaluations of the uncertainty. Moreover, identifying weaknesses in the fields that support pavement LCAs provides a transparent assessment framework and generates a focused research direction moving forward.

Suggested Citation

  • Santero, Nicholas J. & Masanet, Eric & Horvath, Arpad, 2011. "Life-cycle assessment of pavements Part II: Filling the research gaps," Resources, Conservation & Recycling, Elsevier, vol. 55(9), pages 810-818.
    • Handle: RePEc:eee:recore:v:55:y:2011:i:9:p:810-818
    DOI: 10.1016/j.resconrec.2011.03.009
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    Citations

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    Cited by:

    1. Miatto, Alessio & Schandl, Heinz & Wiedenhofer, Dominik & Krausmann, Fridolin & Tanikawa, Hiroki, 2017. "Modeling material flows and stocks of the road network in the United States 1905–2015," Resources, Conservation & Recycling, Elsevier, vol. 127(C), pages 168-178.
    2. Farina, Angela & Zanetti, Maria Chiara & Santagata, Ezio & Blengini, Gian Andrea, 2017. "Life cycle assessment applied to bituminous mixtures containing recycled materials: Crumb rubber and reclaimed asphalt pavement," Resources, Conservation & Recycling, Elsevier, vol. 117(PB), pages 204-212.
    3. Giani, Martina Irene & Dotelli, Giovanni & Brandini, Nicolò & Zampori, Luca, 2015. "Comparative life cycle assessment of asphalt pavements using reclaimed asphalt, warm mix technology and cold in-place recycling," Resources, Conservation & Recycling, Elsevier, vol. 104(PA), pages 224-238.
    4. Bryce, James & Brodie, Stefanie & Parry, Tony & Lo Presti, Davide, 2017. "A systematic assessment of road pavement sustainability through a review of rating tools," Resources, Conservation & Recycling, Elsevier, vol. 120(C), pages 108-118.
    5. Aurangzeb, Qazi & Al-Qadi, Imad L. & Ozer, Hasan & Yang, Rebekah, 2014. "Hybrid life cycle assessment for asphalt mixtures with high RAP content," Resources, Conservation & Recycling, Elsevier, vol. 83(C), pages 77-86.
    6. Yang, Rebekah & Kang, Seunggu & Ozer, Hasan & Al-Qadi, Imad L., 2015. "Environmental and economic analyses of recycled asphalt concrete mixtures based on material production and potential performance," Resources, Conservation & Recycling, Elsevier, vol. 104(PA), pages 141-151.

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