In order to deeply understand and systematically master the principle,influencing factors,and evaluation indicators of high-temperature rutting test of asphalt mixtures,a virtual simulation platform for high-temperature rutting of asphalt mixtures is designed.The platform consists of multiple modules,including pavement temperature field detection,traffic volume detection,mixture gradation design,multi-parameter rutting test,and micro force chain simulation.It involves several professional curriculums such as road materials,pavement design and detection.Through multi-parameter rutting test,the variation law of high-temperature performance of asphalt mixtures under different temperatures and loads can be analyzed.It is also possible to explore the improvement effect of additives such as anti-rutting agents and basalt fibers on the high-temperature performance of asphalt mixtures.The results indicate that the combined effect of high temperature and heavy load will greatly accelerate the rutting formation of asphalt pavement.After adding basalt fibers,the high-temperature performance of asphalt mixtures can be improved by more than 68%.In addition,through visual simulation,the formation mechanism of rutting disease of asphalt mixtures can be intuitively displayed at the micro level,providing support for experimental teaching of related curriculums.
关键词
沥青混合料/高温性能/虚拟仿真/车辙实验
Key words
asphalt mixture/high temperature performance/virtual simulation/rutting test