宣广高速公路路面损坏原因分析

文章以宣广高速公路旧水泥混凝土路面的改造加铺工程设计为依托,通过对交通量的调查,统计实载率、车型构成比例后,得出交通量剧增,尤其是超载车辆大幅增加,导致水泥混凝土路面破坏的重要因素,其次是混凝土板接缝处理不当、路面内部排水系统失效、个别路段路基压实度偏低、混凝土板厚薄不一等,也是造成路面破坏的原因。

Cause Analysis of Pavement Damage at Expressway Xuancheng-Guangde

During engineering design for the transformation of the old cement concrete pavement of Expressway Xuancheng-Guangde, the main factors that lead to damages at the old pavement are analyzed based on the investigation of the traffic volume and on the statistics of the actual load rate and vehicle-type component, i.e. the heavy traffic and increase in the number of overloaded vehicles. Besides the factors such as the inappropriate seaming of the concrete slabs, ineffectivenss of the interior drainage system, l...