京沪高速公路车辙病害调查与分析

Analysis of Rut Disease of Jinghu Highway

通过对京沪高速公路车辙较严重的3个路段芯样的总厚度、分层厚度、密度、空隙率及混合料级配的分析,确定了车辙的形成原因及主要产生层位,为养护工作的合理开展提供参考。

Through the analysis of the total thickness, the different layer＇ s thickness,density, porosity and aggregate gradation of the cores from the sections that with serious rut in Jinghu highway,the reasons of rut formation and the location where the rut existed are determined ,which can be taken as reference to maintenance work.