Study on the Thermal Characteristics of Pavement Materials Using Polymer Binder (Polymer-Binder-Used Mixture)

Asphalt pavement accounts for ~87% of the overall in Korea. However, owing to black surface and extensive cover area, ambient temperature rapidly increases, thereby contributing urban heat island effect. Therefore, materials with modified porosity conditions have been developed; however, studies on heat-related characteristic values such are insufficient. In this study, thermal characteristics were evaluated regard Test specimens as WC-2 PA-13, i.e., polymer-binder-used mixture, compressed using a Gyratory Compactor. The characteristics, conductivity, specific capacity, diffusivity, emissivity, studied, accumulation test was performed. water-permeable polyurethane concrete mixture (polymer-binder-used mixture) exhibited ~4% lower emissivity than conventional asphalt according analysis change conductivity based accumulation, it confirmed that rate energy transfer effect ~20% slower mixture. study results provide essential information design harvesting freeze-thaw pavement-related systems.