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在雨季地质灾害多发的时段内,对重庆地区的一些干线受灾公路进行了现场踏勘。依据所得成果,归纳出了常见的山区公路水毁特点,认为路面开裂、路基沉降与塌方、路基整体滑移以及附属设施损坏等是重庆地区干线公路水毁现象的几种主要类型。针对这几种具有代表性的公路水毁类型,分析了各类型产生的机理性原因以及相互之间的联带关系,并初步提出了相应的解决方案。所得结果可为从事道路施工、维护和应急抢修等工作的人员提供一定的参考和技术依据。
During the period of frequent occurrence of geological disasters during the rainy season, site reconnaissance was conducted on some of the affected roads in Chongqing. According to the results obtained, the common characteristics of mountainous highway are summarized. It is considered that there are several main types of water damage in trunk roads in Chongqing area, such as cracking of pavement, settlement and collapse of roadbed, overall slip of subgrade and damage of ancillary facilities. In view of these representative types of highway damage, the mechanism causes of each type and the relationship between them are analyzed, and the corresponding solutions are proposed. The results obtained for road construction, maintenance and emergency repair personnel to provide some reference and technical basis.