Abstract
In recent years, study on asphalt binder that provide strong rutting and cracking resistance is considered of great significance as it can help provide extended pavement life and significant cost savings in pavement construction in Vietnam. The purpose of this paper is to evaluate the performance characteristics of Korean modified asphalt binder in hot mix asphalt (HMA) mixture under Vietnam condition. To accomplish this objective, the mechanical properties of Korean modified binder in AC mixtures were evaluated using tests such as the Marshall stability and flow, indirect tensile (IDT), moisture resistance, and Wheel Tracking. It was found that the Korean modified binder can improve significantly not only the rutting performance but also the moisture damaged resistance of asphalt pavement. Furthermore, the performance life of Korean modified binder for AC mixtures was evaluated through the mechanistic- empirical pavement design guide (MEPDG) program. Based on the results of the study, it can be concluded that the Korean modified asphalt binder can enhance the performance of asphalt mixtures significantly under Vietnam conditions.
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