Abstract
Abstract. The content of clay particles in powder sand is low, with small cohesion. Embankment erosion by water will lead to instability, to make a cover layer with clay. In order to resolve the erosion of powder sand embankment slopes affected by the rain, tested the powder sand and the cover layer soil, and conducted a survey of slope erosion situation in the embankment, divided the types of erosion. On this basis, base on the energy method, analysis the slope erosion by the impact of slope gradient, slope shape, the density and width of cover layer soil, rainfall intensity, conclude some applicable scouring protective measures for conditions of slope. The results provide a reference for the design of powder sand slope protective technology.
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