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September 10, 2025CoatingsOpen Access

Road Performance and Modification Mechanism of Waste Polyethylene Terephthalate-Modified Asphalt

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Authors

RLRuiduo LiMWMenghao WangDTD.C. Tan

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Overview

This investigation demonstrates the impact of waste polyethylene terephthalate on asphalt's properties, suggesting enhanced stability at high temperatures while revealing potential cracking issues.

Key Points

  • Waste PET improves high-temperature stability of asphalt but may reduce low-temperature resistance.
  • The optimal concentration of waste PET was identified at 6%, with minimum creep stiffness of 155 MPa at −6 °C.
  • Utilizing fractional derivatives, the study developed performance evaluation indicators, achieving a correlation coefficient of 0.99991.
  • The incorporation of waste PET results in a spatial network structure that enhances deformation resistance in asphalt.

Cite This Study

Li et al. (2025) studied this question.

synapsesocial.com/papers/68c1bb6a54b1d3bfb60ed691https://doi.org/10.3390/coatings15080902
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