塔里木沙漠公路风沙危害研究

Study on Blown Sand Hazard along Tarim Desert Highway

通过分析沙漠公路不同时段和地段风沙危害的特点 ,找出了从北向南风沙危害强度趋于减弱 ,公路及防沙体系受害程度逐渐降低的规律。注意到防沙体系所受风沙危害类型和程度在公路东西两侧和不同地貌部位差异明显。并且查明随着时间推移 ,公路受害面积扩大 ,重型沙害所占比例明显增长的公路沙害发展状况。

By the analysis the characteristics of blown sand hazard in different time stages and higway sections, the conclusion is that the strength of blown sand hazard tends to weaker, that from the north to south of the desert highway the extent-dasmaged of the desert higway and its sand-control system drops to lower. Ths differences of the type and extent of blown sand hazard between the east and west sides of the desert highway as well as different geomorphic sections are evident. With the time going on, development pattern of blown sand hazard is that the area-damaged of sand-control system enlarges and the ratio of serious type of sand hazard increases.