中文摘要：

基于非饱和土力学渗流理论，运用饱和－非饱和耦合渗流模型，采用弹塑性有限元方法，模拟了某垃圾填埋场在不同降雨重现期时边坡的可能滑动面；同时通过数值计算模拟了不同降雨重现期条件下边坡稳定性。可为降雨条件下垃圾填埋场边坡稳定性预警和垃圾填埋方式及其压实程度分析提供相关的理论依据。

英文摘要：

Based on the mechanics of unsaturated soil seepage theory, a saturated-unsaturated coupling seepage model is used for simulating the potential sliding surfaces of the landfill slope and calculating the safety factor of the different permeability coefficient of waste soil in the landfill and simulating the stability of the landfill slope under the different repetition period of rainfall. It can supply reloted theory basis for slope stability warning, waste landfill way and compaction degree of landfill.