中文摘要：

以某水电站右岸坝肩开挖岩质高边坡为例，利用极限平衡方法和二维有限元方法对该边坡在天然工况、开挖工况和加固工况的抗滑稳定性进行了数值模拟及对比计算分析。结果表明简布法和条分法的计算结果与有限元的计算结果较为接近，通过有限元强度折减法计算的安全系数小于极限平衡方法计算的安全系数，极限平衡方法搜索的滑动面是一个圆弧，有限元计算得到的是一条滑动带，极限平衡法搜索的滑带相对较小，在有限元计算的滑带之内。

英文摘要：

One high rock slope excavated in right abutment of one hydropower station is taken as an example. Both limit equilibrium method and finite element method are applied for digital simulation, comparison calculation and analysis on stability of the high rock slope against sliding in natural condition, excavating condition and reinforcing condition. It shows that the calculating results by Ordinary Method and Jan- bu Method are quite close to those by Finite Element Method. The safety factor calculated by Finite Element Strength Reduction Method is small than that by Limit Equilibrium Method. By Limit Equilibrium Method, the sliding plane searched is one circular are but by Finite Element Method is one sliding zone. The sliding zone by Limit Equilibrium Method is smaller relatively. It is within the sliding zone obtained by Finite Element Method.