Review on the Effect of Curing on Cold Recycled Asphalt Mixture

Cold Recycling Technology is known as one of the asphalt pavement rehabilitation techniques. It is conducted without heat being applied during the process of construction, thus considered to be more efficient and environmentally friendly. Cold Recycled Asphalt Mixture (CRAM) can be produced by introducing stabilising agent which typically involves curing process to allow the evaporation of the residual moisture which enhanced the development of targeted strength. The mechanical performance and properties of CRAM is much dependent on the condition of curing whilst the rate of curing determines its strength development. Laboratory curing temperatures ranges from ambient temperature for slow curing to 60 °C for accelerated curing condition and 1.0% to 2.0% residual moisture is the measure criteria for field curing. Therefore, this study is focussed on reviewing the impact of curing procedures and conditions on the performance of CRAM.