川藏公路泥石流灾害及其整治对策

Debris Flow Disasters and Their Controlling Countermeasures along the Highway from Sichuan to Xizang

川藏公路沿线泥石流类型齐全,分布广泛,暴发频繁,断道阻车严重。该文首先论述了川藏公路沿线泥石流的分布规律及其区域活动特征,并例举了若干典型泥石流的类型、规模及危害状况。进而在综合分析泥石流成因的基础上,提出了公路泥石流灾害的整治对策和措施。

Along the highway from Sichuan (Chengdu) to Xizang (Lasa), debris flow have a great variety, distribute extensively, break out frequently and harm seriously. This paper deals with the distribution laws and regional features of activities of debris flow, and also enumerates the types, scales and disastrous state ofsome typical debris flow along this highway line. Furthermore, on the basis of the comprehensive analysis of the main formation cause of debris flow disasters, the author put forward the contrlling countermeasures.