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滑坡是公路常见的病害,山区出现较多。我国是一个多山的国家,全国山区面积约占总面积的三分之一,因此这种病害不仅分布广、规模大、类型多,而且发生的频率也很高。滑坡不仅在山区和丘陵区容易发生,在黄土、膨胀土、多年冻土等地区也易出现。有的滑坡体的形成来源于泥石流,属于併发性病害。近年来随着山区及上述特殊土地区建设的发展,滑坡还威胁着工矿、水库、农村、田地、厂房及居民的安全。1983年3月7
Landslides are common diseases of the highway, there are more mountains. My country is a mountainous country. The mountainous area in the country accounts for about one-third of the total area. Therefore, the disease is not only widely distributed but also large in scale and of many types, and the frequency of occurrence is also high. Landslides are not only prone to occur in mountainous and hilly areas but also occur in areas such as loess, expansive soils and permafrost. Some landslide bodies formed from the debris flow, is a concurrent disease. In recent years, with the development of mountainous areas and the construction of the above-mentioned special land areas, landslides have also threatened the safety of factories and mines, reservoirs, rural areas, fields, factories and residents. March 1983