超载车辆对二级公路沥青路面破坏原因的分析及对策

Countermeasures and Causes Analysis on Secondary Asphalt Pavement of Class Ⅱ Highway Damaged by Overload Vehicle

大量超载的车辆是造成S330逍白线漯河境公路沥青路面网裂、沉陷、唧泥等病害过早出现、使用寿命骤减的主要原因。通过对该路段沥青路面进行路况调查、钻芯取样试验、实际交通量分析、路面弯沉值、剪应力验算,分析原因,并提出修补方案以及防止损坏的措施,对于延长路面的使用寿命具有重要的意义。

Lots of overload vehicles is the main reason to cause early damage, such as net cracK, sink, mud and others in $330 line asphalt pavement in Luohe city, it also reduce highway servicmg life. The repairing method and prevention damage measure are put forward through investigation, doing dill core experiments, actual traffic volume analysis and reason analysis pavement deflection value and shearing strength in this highway section.