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强度折减法是利用数值分析方法处理边坡稳定问题的主要方法,该方法在均质岩土坡中的适用性已经得到证实,而在实际工程中,非均质边坡更为常见,本文旨在研究强度折减法在分析非均质边坡稳定性的适用性。采用FLAC(显示拉格朗日有限差分法)对算例进行分析,并对极限平衡法和强度折减法所得结果进行对比,论证了强度折减法可以用来分析非均质边坡的稳定性问题。
The strength reduction method is the main method to deal with the problem of slope stability by using numerical analysis method. The applicability of this method in homogeneous rock slope has been confirmed. In practical engineering, the heterogeneity slope is more common. In the study of strength reduction method in the analysis of the applicability of heterogeneous slope stability. The FLAC (Lagrange finite difference method) is used to analyze the examples. The results obtained by the limit equilibrium method and the strength reduction method are compared. It is demonstrated that the strength reduction method can be used to analyze the stability of heterogeneous slopes .