Abstract
Warm mix asphalt (WMA) technology facilitates asphalt mixture production and compaction at relatively lower temperatures. The inclusion of reclaimed asphalt pavement (RAP) material into the WMA mixes will save the natural resources (requirement of virgin aggregate and binder) and enhance the performance of WMA mixtures. This article provides a comprehensive review of available literature on different WMA additives, mix design concepts, challenges of using higher RAP contents, mechanical properties, and performance characteristics of WMA mixes with and without RAP, healing properties of the WMA mixes, life cycle analysis of WMA mixes which augments application of WMA technology more effectively.
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