足尺路面试验环道路面结构与材料设计

发布时间：2018-11-06 13:22

【摘要】：介绍了我国第1条足尺路面试验环道(RIOHTRACK)的技术定位、路面结构与材料设计方案及试验平台的车辆加载、数据采集等系统的构成。RIOHTRACK足尺路面试验环道的直线和缓直曲线段共设计了19种路面结构,这些路面结构形式涵盖了国内外工程应用案例,其中包括了柔性、半刚性和刚性基层结构,以及不同的沥青结构层和材料组合模式。根据设计理念和评价目标将19种路面进行了分类,并分别论述了各结构设计标准、验证目标、结构特征、材料技术要求等内容。利用总重达100 t的多轴加载车,以加速加载方式对上述典型路面结构进行了全天候加载,对使用性能进行了系统的量化比较。结果将用于研究轴载换算方法、路面损伤预估模型、结构与材料优化设计方法以及养护技术标准等。
[Abstract]:This paper introduces the technical positioning of the first full-scale pavement test loop (RIOHTRACK), the design scheme of pavement structure and materials and the vehicle loading of the test platform. A total of 19 kinds of pavement structures are designed in the straight and slow straight curve section of the RIOHTRACK full-scale pavement test loop. These pavement structures cover the domestic and foreign engineering application cases, including flexibility, flexibility and flexibility. Semi-rigid and rigid base structures, as well as different asphalt structural layers and materials combination mode. 19 kinds of pavement are classified according to the design concept and evaluation objective, and the design standards, verification objectives, structural characteristics, material and technical requirements of each structure are discussed respectively. By using the multi-axis loading vehicle with a total weight of 100 tons, the typical pavement structure mentioned above is subjected to all-weather loading in an accelerated loading mode, and the performance of the pavement is compared in a systematic and quantitative way. The results will be used to study the axle load conversion method, pavement damage prediction model, structural and material optimization design method and maintenance technical standards.
【作者单位】：交通运输部公路科学研究院;道路结构与材料交通行业重点实验室(北京);
【基金】：国家科技支撑计划项目(2014BAC07B02)
【分类号】：U416.2

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