酒额铁路酒泉至东风段典型沙害区段风沙环境特征

李强

Characteristics of aeolian environment in typical sand-hazard sections along the Jiuquan-Dongfeng section of Jiuquan-Ejin Banner Railway

Qiang Li

表2 酒额铁路沿线典型段落输沙量及主害风、次害风输沙量

Table 2 Sand transport quantity of typical sections along Jiuquan to Ejin Banner Railway and sand transport quantity of the main and secondary wind directions for sand hazards

铁路里程 总输沙量/(m3·m-1) 不同风向输沙量/(m3·m-1) 路基走向 主害风/次害风输沙方向 主害风 次害风 DJK204/207 2.8 1.5 1.3 NE-SW (45°) NW、W、N、NE、E、SE、S、SW DJK169 3.5 2.0 1.5 NNE-SSW (25°) SW、W、NW、NE、NE、SE、S DK105 3.3 2.4 0.9 NE-SW (55°) SW、W、NW、N、NE、E、SE、S DK85 2.1 1.5 0.6 NNE-SSW (33°) SW、W、NW、NE、NE、SE、S DK78 1.3 0.9 0.5 NNE-SSW (22°) SW、W、NW、NE、NE、SE、S