边坡降雨入渗的饱和-非饱和有限元数值分析

Saturated-unsaturated Finite Element Numerical Analysis of Slope Under Rainfall Infiltration Situation

对于边坡稳定性分析中的降雨入渗问题,运用有限元法,结合饱和-非饱和方程模拟土质边坡渗流场.分析了边坡在降雨条件下其内部渗流场的情况以及稳定性的影响因素,结合工程边坡算例,数值模拟渗流场,得到对于实际工程有意义的结论.

To solve the problem of slope stability under rainfall infiltation,the saturated-unsaturated transient seepage field of high soil slope is simulated under the condition of rainfall with the method of FEM.The paper studies the changes of unsturated seepage field when rainfall and the influence mechanism of seepage field works on the slope.Combined with engineering slope example,numerical simulation of seepage field is carried out and some significant conculsions are obtained.