岩质边坡楔体破坏的极限平衡分析

Analysis on rock slope wedge destruction based on limit equilibrium

介绍了极限平衡法的原理,并采用极限平衡法对岩质边坡发生楔型四面体破坏模式的边坡稳定性进行了分析计算,结合某公路边坡发生楔型四面体破坏进行了检算。验算结果为:沿①②弱面组合交线滑动,在边坡干燥时K=1.38,全部充水时,K=0.89,验算表明边坡是在充水后发生楔体型滑落的。

This paper introduces the principle of the limit equilibrium method, and the method was utilized to Calculated the stability of rock slope which occurred wedge tetrahedral destruction. A highway slope with wedge tetrahedral destruction was used as cheek calculations. The checking results in- dicated ： sliding along intersection line of weak plane（1）（2） , when the slope is dry, K = 1.38, when the slope is water-filled, K = 0.89. The checking results demonstrated that the wedge tetrahedral destruction was occurred when the slope was water-filled.