Performance of cold in place recycle method for different stabilization agents

Abstract

Cold in Place Recycling (CIPR) is a treatment process of road that had a structural defect. The process consists of recycling asphalt from the pavement layer to a certain layer in order to improve the pavement structure. The process involves breaking up and pulverizing the existing pavement. This material will be named Recycle Asphalt Pavement (RAP). Even though the CIPR method is proved successfully implemented but due to lack of knowledge and understanding about this method, it’s only applied in about 10% of total Malaysian roads length. The aim of this study is to encourage interested parties to have more understanding in the CIPR treatment by broaden its spectrum. By providing the results of the performances for various types of the stabilization agents, it can be used as an optional for any user to use any of these stabilization agents type. For this study four (4) types of stabilizing agents will be used such as cement, lime, foamed bitumen and bitumen emulsion. From this study it is shown that cement and lime can be effective stabilizing agents but foamed bitumen and bitumen emulsion had score the lowest.