Asphalt-based cold patches for repairing road potholes – An overview. (1st November 2021) - Hafezzadeh, Raheb
Highlights: An overview of pothole formation, classification and maintenance was reported. A comprehensive comparison between different kinds of patching materials was made. Repair methods, cost and durability of cold mix patching materials were studied. Cold patching materials components and their impact on the patch were inspected. Methods of evaluating cold mix patching materials performance were investigated. Abstract: Cold Mix Patching Materials (CMPMs) are usually used instead of Hot Mix Asphalt (HMA) to repair potholes and localized distresses. Although these materials provide immediate serviceability, they have a relatively short life. However, worldwide interest in these solutions, which started as fragmented industrial initiatives, is growing. This article provides a critical comparison between several aspects regarding using CMPMs and HMA in repairing potholes. Specifically, repair techniques, productivity and costs were investigated in detail. Plus, the impact of the main crucial factors, i.e., workability, bonding, water susceptibility, stability, and storageability, on the performance of CMPMs was investigated through an overview.