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沥青混合料高温车辙虚拟仿真实验设计与实现

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为了深入理解和系统掌握沥青混合料高温车辙实验原理、影响因素及评价指标,设计了沥青混合料高温车辙虚拟仿真实验.实验由路面温度场检测、交通量检测、混合料配合比设计、多参数车辙实验和微观力链模拟等多个模块组成,涉及道路材料、设计及检测等多门专业课程知识点.通过多参数车辙实验,可分析不同温度、荷载作用下沥青混合料抗高温性能的变化规律,还可探索抗车辙剂、玄武岩纤维等添加剂对沥青混合料抗高温性能的提升效果.结果表明,高温和重载的叠加作用会大大加速沥青路面车辙的形成,添加玄武岩纤维后沥青混合料的高温性能可提升68%以上.此外,通过可视化模拟,能够从微观层面直观展示沥青混合料车辙病害形成机理,为相关课程实验教学提供支撑.
Design and Implementation of Virtual Simulation Experiment for High Temperature Rutting of Asphalt Mixture
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.

asphalt mixturehigh temperature performancevirtual simulationrutting test

李波、王宇、康爱红、吴正光、张垚

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扬州大学建筑科学与工程学院,江苏扬州 225127

沥青混合料 高温性能 虚拟仿真 车辙实验

教育部产学合作协同育人项目江苏省学位与研究生教育教学改革项目扬州大学研究生教育教学改革与实践课题扬州大学研究生教育教学改革项目

202102095058JGKT23_C088JGLX2021_010XJGKT22-004

2024

实验室研究与探索
上海交通大学

实验室研究与探索

CSTPCD北大核心
影响因子:1.69
ISSN:1006-7167
年,卷(期):2024.43(5)
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