中文摘要：

随着拉日铁路的建成通车,沙害日趋严重,成为危及铁路安全运营的一大隐患,因此,沿线的风沙防治一直备受关注。通过考察和分析沿线独特的高原河谷风沙环境,从成因、分布、特征、防治等几个方面较系统地研究了拉日铁路的沙害,在此基础上,提出拉日铁路防沙应以生物措施为主,工程措施为辅。

英文摘要：

The Lhasa -Shigatse Railway has been encountering with serk open to traffic, the sand hazards became a great hidden peril endangers for fore, control the wind -blown sand along the railway has been attracting us sand hazards as it had been built and nique environments with plateau valley and wind -blown sand were investigated and analyzed along the railway; several aspects such as causes, distributions, characteristics, preventions of sand hazards for Lhasa - Shigatse Rail- way were researched systematically. On the basis of these research, it is suggested that the sand prevention of Lha- sa- Shigatse Railway should dominated by vegetable measures, supplemented by engineering measures.