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Large quantities of Reclaimed Asphalt Pavement (RAP) waste are generated during the milling of distressed flexible pavements. Improper disposal, such as landfilling, leads to environmental concerns, including air pollution and loss of fertile land. This review highlights the potential of utilizing RAP aggregate in concrete by incorporating various alternatives of binder in concrete such as rice husk ash, sugarcane bagasse ash, jarosite, metakaolin, zirconia silica fume, silica fume, pulverized fuel ash, and granulated slag. The study evaluates the performance of these SCM in different proportions to enhance concrete properties while promoting sustainable construction practices. A bibliometric analysis using VOSviewer visualizes emerging research trends, guided by the Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) methodology. The review also identifies the repurposing of waste brick powder in RAP concrete as a promising direction for future research.

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A State-of-the-Art Review on the Utilization of Various Supplementary Cementitious Materials (SCMS) in Reclaimed Asphalt Pavement (RAP) Aggregate Concrete

  • 会议论文

  • 发表日期：

    2026年

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  • Komal Vasantrao Bhandakkar,
  • D. Sita Rami Reddy,
  • Udit Jain

摘要

Large quantities of Reclaimed Asphalt Pavement (RAP) waste are generated during the milling of distressed flexible pavements. Improper disposal, such as landfilling, leads to environmental concerns, including air pollution and loss of fertile land. This review highlights the potential of utilizing RAP aggregate in concrete by incorporating various alternatives of binder in concrete such as rice husk ash, sugarcane bagasse ash, jarosite, metakaolin, zirconia silica fume, silica fume, pulverized fuel ash, and granulated slag. The study evaluates the performance of these SCM in different proportions to enhance concrete properties while promoting sustainable construction practices. A bibliometric analysis using VOSviewer visualizes emerging research trends, guided by the Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) methodology. The review also identifies the repurposing of waste brick powder in RAP concrete as a promising direction for future research.