Study on Thixotropic Properties of Asphalt Mastics Based on Energy Viewpoint

An asphalt mastic has thixotropic characteristics that significantly influence its fatigue and healing performance. Therefore, understanding the thixotropy of an is clearly great importance. However, research in this area still early stages. This study focuses on self-heating as one biasing performances material by analyzing viscosity, stress, hysteresis loops mastics under cyclic shear loading. Twelve types fabricated with asphalt, well different mineral filler, were selected to examine thixotropy. In addition, filler/asphalt ratio was examined via technique analyze loop viscosity–shear rate. The potential function also studied from energy viewpoint. results show binders, fillers, filler volume fractions showed for stress versus rate diagrams. With increase loading times load, gradually decreases, most likely features a relatively stable value. can be reduced adding slightly viscosity decreases rate, it recovers decrease greater ratio, faster viscosity’s descent prolongation time. Due existence higher amount content, recovery crack more difficult. For high ratios, mechanism explained particle agglomeration depolymerization theory. low medium chain damage internal structure characterized structural failure function, respectively.