土质边坡非饱和渗流场与应力场耦合数值分析

阐述了坡面径流-非饱和渗流分析与应力场耦合分析的重要意义和作用；介绍了在非饱和渗流分析中具有重要作用的土-水特征曲线，包括考虑固结压力条件下的土-水特征曲线，并介绍了部分试验成果以及坡面径流-非饱和渗流耦合分析的计算方法；提出坡面径流-非饱和渗流分析与应力场的耦合计算方法，并编制相应的有限元程序；通过算例对比了耦合与非耦合情况下应力场、渗流场的差异，说明耦合分析更符合实际，且所提出的方法是切实可行的。

Coupling numerical analysis of unsaturated seepage and stress fields for soil slope

The importance of coupling analyses of slope runoff-unsaturated seepage and stress field is expounded; soil-water characteristic curve which is very important in unsaturated seepage analysis, including soil-water characteristic curve considering consolidation pressure is described; and some experiment results are simply introduced; the calculation method of slope runoff-unsaturated seepage is presented; the coupling calculation method of slope runoff-unsaturated seepage and stress field is put forward, and the finite element program is programmed; the difference between coupling and uncoupling are compared by an example. It is shown that the method presented is more practical and feasible.