采取抽样调查法和侵蚀断面测量法，对陕西北部山丘区公路开挖边坡侵蚀进行了定量分析。
The erosion of cutting-slope of highway in north Shaanxi Province is investigated and evaluated by measuring the erosion depth on slope surface through 43 sampling sites.
该沟主要工程地质问题为边坡稳定性、渗透稳定性、河流侵蚀等。
The main engineering geological problems of the gully are slope stability, seepage stability and fluvial erosion, etc.
通过分析研究各县区不同地貌单元面积，在假定县内道路分布均一的情况下，计算了各县区侵蚀参数和区域道路开挖边坡的年侵蚀量。
Based on the composition of landform of each country, and an assuming of that the distribution of highway is similar, the erosion parameter and cutting slope erosion are analyzed.
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