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边坡是具有倾斜面的土体,因土体表面倾斜,在重力及其它外力作用下,整个土体有从高处向低处滑动的趋势,土体滑动与边坡形状和土体类型有关。由粗颗粒土组成的边坡称为无粘性边坡,相对于粘性土边坡稳定分析,由于没有粘聚力的存在,其计算相对简单。文章根据力学平衡原理,按照土体干燥、有渗透水流两种状态进行无粘性土边坡稳定分析,通过实例计算得出结论。
Slope is a soil with inclined surface. Due to the slope of soil surface, under the action of gravity and other external forces, the whole soil tends to slide from a height to a lower position. Sliding of soil is related to slope shape and soil type . The slope composed of coarse-grained soil is called the non-stick slope. Compared with the stability analysis of the clay slope, the calculation is relatively simple because there is no cohesion. Based on the principle of mechanical equilibrium, the article analyzes the stability of non-cohesive soil slope according to the two states of soil dry and infiltrated water flow, and draws conclusions through examples.