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July 13, 2026Journal of Transportation Engineering Part B Pavements

Impact of Wetting and Drying Cycles on Reclaimed Asphalt Pavement and Warm Mix Asphalt Performance: Comparison with Long-Term Aging Conditions for Pavement Durability

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Authors

KMKumari MonuSSSurya Kant SahdeoGRG.D. Ransinchung

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Overview

Randomized trial evaluates moisture susceptibility and aging effects in asphalt mixes, suggesting careful use.

Key Points

  • The study aims to evaluate how different cycles of wetting and drying affect reclaimed asphalt pavement and warm mix asphalt performance.
  • Incorporated two RAP sources at approximately 35% and 70% by mix mass into both hot mix asphalt and warm mix asphalt.
  • Specimens tested under standardized long-term aging and accelerated wetting-drying cycles.
  • Measurements included Marshall stability, indirect tensile strength, rutting resistance, and fatigue life.
  • Wetting-drying cycles led to a 10%-21% decline in fatigue life and a 4%-9% decrease in moisture resistance for some warm mix asphalt cases.
  • Long-term aging increased stiffness and Marshall stability but did not replicate moisture-induced losses.
  • WMA with Sasobit can improve workability but may increase moisture vulnerability without appropriate measures.

Cite This Study

Monu et al. (2026) studied this question.

synapsesocial.com/papers/6a54835d475c38bf615a5ebbhttps://doi.org/10.1061/jpeodx.pveng-1907
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Also Consider

Synapse has enriched 2 closely related papers on similar clinical questions. Consider them for comparative context:

  1. 1Mechanistic and Volumetric Properties of Asphalt Mixtures with Recycled Asphalt Pavement2005 · 84 citations
  2. 2Using RAP Material in High Modulus Asphalt Mixture2015 · 23 citations