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Warm mix asphalt (WMA) technology enables the production and compaction of asphalt mixtures at lower temperatures, reducing energy consumption and greenhouse gas emissions. Simultaneously, Reclaimed Asphalt Pavement (RAP) usage conserves asphalt binder and aggregate. Recognizing the individual limitations of WMA and RAP, the integration of their combined technology emerges as a collaborative approach to address these challenges. Existing studies highlight considerable disparities in performance parameters for WMA containing RAP, primarily attributed to the multitude of WMA technologies available. In response, this comprehensive review focuses exclusively on Sasobit® warm mix in tandem with RAP, aiming to discern the performance intricacies of RAP in WMA mixtures. The analysis concludes that the incorporation of RAP in Sasobit® WMA technology enhances asphalt mixture properties, including rutting resistance, moisture susceptibility, and workability. The article provides a thorough examination of literature pertaining to the performance characteristics of Sasobit® WMA mixes with RAP, specifically evaluating rutting performance, fatigue performance, and moisture susceptibility. By excluding the influence of various WMA additives, this review aims to emphasize the unique benefits of Sasobit® warm mix technology for improved asphalt mixture performance.

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Enhancing Highway Sustainability: A Comprehensive Literature Review on the Performance Evaluation of Asphalt Mixtures with RAP and Organic Warm Mix Additive

  • 会议论文

  • 发表日期：

    2026年

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  • Andrea Franco,
  • Giuliana De Vera,
  • Karen Resquin,
  • Gabriela Rios,
  • Min-Chih Liao

摘要

Warm mix asphalt (WMA) technology enables the production and compaction of asphalt mixtures at lower temperatures, reducing energy consumption and greenhouse gas emissions. Simultaneously, Reclaimed Asphalt Pavement (RAP) usage conserves asphalt binder and aggregate. Recognizing the individual limitations of WMA and RAP, the integration of their combined technology emerges as a collaborative approach to address these challenges. Existing studies highlight considerable disparities in performance parameters for WMA containing RAP, primarily attributed to the multitude of WMA technologies available. In response, this comprehensive review focuses exclusively on Sasobit® warm mix in tandem with RAP, aiming to discern the performance intricacies of RAP in WMA mixtures. The analysis concludes that the incorporation of RAP in Sasobit® WMA technology enhances asphalt mixture properties, including rutting resistance, moisture susceptibility, and workability. The article provides a thorough examination of literature pertaining to the performance characteristics of Sasobit® WMA mixes with RAP, specifically evaluating rutting performance, fatigue performance, and moisture susceptibility. By excluding the influence of various WMA additives, this review aims to emphasize the unique benefits of Sasobit® warm mix technology for improved asphalt mixture performance.