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本文将连续介质显式拉格朗日有限差分法与强度折减理论相结合,对某土质路堤高边坡的稳定性进行分析。以广义剪应变和广义塑性应变在坡体内的相互贯通情况作为判断失稳破坏状态的依据,通过实例分析,并建立计算模型,考虑天然状态下与浸水状态下,对某土质路堤高边坡的稳定性进行研究,并与传统的极限平衡方法对比,所得计算结果相近,认为该方法是合理可行的,从而为指导路堤的施工起到一定借鉴作用。
In this paper, the continuum explicit Lagrange finite difference method and strength reduction theory are combined to analyze the stability of a high embankment slope. Taking the mutual penetration of generalized shear strain and generalized plastic strain in the slope as the basis for judging the failure state of the slope, an example is given and a calculation model is established. Considering the relationship between the high slope of a soil embankment The stability of the embankment is studied and compared with the traditional limit equilibrium method. The calculated results are similar, and the method is reasonable and feasible, which can be used as a guide for embankment construction.