县、乡及农村公路水毁造成的原因与防治措施

西部大开发战略实施以来，中西部地区、边远山区公路建设迅猛发展，公路里程快速增长，公路畅通已成为这些地区经济发展和人民生活水平提高的先决条件。然而，每到雨季来临，这些地区的公路和桥梁水毁以及洪水引发的地质灾害（滑坡、塌方、泥石流等）就一直都是公路交通的最大自然灾害。据近年来普查统计，因水毁造成的县乡公路经济损失达亿元左右。因此，分析县乡村公路水毁造成的原因与类型，因地制宜地提出整治措施，实现公路建设与环境保护的双赢具有十分重要的意义。

County,Township and Rural Roads Destroyed by Causes and Control Measures

The development of the western region since the implementation of the strategy, the central and western regions, in remote mountain areas the rapid development of highway construction, highway mileage of the rapid growth of smooth roads in these areas has become the economic development and improved living standards in pre -condition.However, the onset of the rainy season in each of these areas, as well as roads and bridges destroyed by floods caused by geological hazards (landslide, landslides, mudslides, ...