Characteristics of Wind Erosion on Different Side Slopes in Highway Construction from Tongxin to Guyuan
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Abstract:
To study the law of wind erosion on highway side slopes,the highway from Tongxin to Guyuan was selected as an experimental site.The average amount of wind soil in different side slopes was analyzed,and the law of wind erosion on different side slopes was studied based on wind erosion data of ten observation plots.Results showed that soil water content could evidently reduce soil loss by wind on side slope.The amount of soil loss on different side slopes was significantly different,and the amount of soil loss on the dumping ground without any measure adopted was greater than that on other slopes.Effect of hexagon brick was the best in preventing wind erosion,and the second was arch frame-saw.Effect of mechanical press was worst in preventing wind erosion.A correlation between wind erosion intension and wind speed was founded through analyses.Hexagon brick was more effective than arch frame-saw in lowering initial wind speed.