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September 10, 2025Transportation Research Record Journal of the Transportation Research BoardOpen Access

Performance and Aging Characteristics of Asphalt Binders and Asphalt Mixtures Incorporating High Recycled Asphalt Pavement and a Recycling Agent

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Authors

OAOsama AltarawnehEMEyad MasadAMAmy Epps Martin

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Overview

Analysis reveals improved performance in asphalt mixtures with high recycled asphalt pavement, indicating the effectiveness of recycling agents.

Key Points

  • The high recycled asphalt pavement mixture with recycling agent exhibited comparable performance at intermediate and high temperatures.
  • Adding a recycling agent improved low-temperature properties and reduced stiffness in the binder compared to a mixture without it.
  • Despite improved properties, the recycling agent increased aging susceptibility in the asphalt binder.
  • Performance tests demonstrated that utilizing the recycling agent can enhance cracking resistance while increasing RAP content.

Cite This Study

Altarawneh et al. (2025) studied this question.

synapsesocial.com/papers/68c1abf154b1d3bfb60e3ce8https://doi.org/10.1177/03611981251348452
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Also Consider

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