Abstract

In order to verify the effect of plant protection design program of a highway slope in the western of Henan, the artificial simulating rainfall and runoff scouring test were carried out. The results showed that, under the condition of design frequency heavy rains, if the site conditions and the measures of plant configuration were different, the morphological characteristics of slope erosion were different too. There were some difference among the size, quantity and morphological changes of slope erosion gully. The rill width and depth of brown loess slope was biggest, and the bill average width and depth had a significant relationship with its length.

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