在地表入渗影响下，非饱和带的基质吸力和暂态附加水荷载是影响边坡稳定的重要因素。
Under the influence of surface infiltration, matrix suction of unsaturated zone and temporary additional water load are important factors for the stability of slope.
在非饱和土条件下产生的负孔隙水压力（基质吸力）对于预测如边坡、挡土墙、挖方工程、基础工程之类的土石结构的稳定性十分重要。
Unsaturated soil condition which give rise to negative pore pressure is important in evaluating the stability of geotechnical structures such as slopes, retaining walls, excavations and foundations.
本文以非饱和土抗剪强度理论为基础，引入了渗透力的概念，利用有限单元法进行了降雨条件下岩质边坡稳定性的分析。
The paper brings the conception of seepage force and use finite element method to analyze rock slope stability under rainfall, based on unsaturated earth drained shear strength theory.
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