Laboratory Investigation on Mixing Methods for Polymer Modified Asphalt Mixture

In Vietnam, better pavement materials were used in order to adapt to the high traffic volumes, the heavy truck loading, the hot temperature, and so on. One of them is the application of polymers in modified asphalt or asphalt mixture. When using polymers in asphalt concrete, there are many significant problems such as mixing procedures or mixing methods. Two main types of mixing methods which are conventional dry and wet methods are often conducted around the world. For Polyethylene Terephthalate, the dry method is usually used for its advantage. The properties of asphalt mixture using Polyethylene Terephthalate by application of traditional dry and modified dry methods are investigated through laboratory tests such as Marshall stability, indirect tensile, and static resilient modulus. On the other hand, many percent of Polyethylene terephthalate were added to the asphalt mixture for comparisons.