甘肃省公路风沙灾害防治研究

甘肃省是风沙危害严重的省份之一，通过对甘肃省公路沙害情况调查，根据风沙对公路的危害和特征以及风沙灾害发育程度，将公路风沙灾害类型划分为沙埋和风蚀，并介绍了嘉安一级公路沙害典型路段防治措施，作为甘肃省公路地质灾害区划研究的基础。

Study on Sand Hazard and Its Prevention for Gansu Highways

Gansu is one of the provinces with serious sand hazard. Through the survey of sand damage in Gansu highways, the paper grouped sand hazard into sand--bury and wind erosion according to its damage and characteristics and its developed degree. At the same time, the paper introduced the prevention measures for the typical section of Ka＇an highway and took it as the base to study highway geological hazard districts in Gansu province.