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本文以某电厂铁路沿线边坡为研究对象,采用有限元法结合极限平衡法分析了边坡稳定性。通过有限元分析,给出了边坡岩体应力及应变分布,分析表明,边坡岩体加荷后未发现大剪应变的贯通区。刚体极限平衡法评价了沿节理滑动的边坡稳定性,三个剖面边坡稳定性系数均大于1.4。安全系数均符合相关规范要求,计算结果为边坡加固设计提供了重要依据。
In this paper, the slope along a power plant railway is taken as the research object. The stability of the slope is analyzed by the finite element method and the limit equilibrium method. Through the finite element analysis, the stress and strain distribution of the slope rock mass are given. The analysis shows that there is no large shear strain penetrating zone after the slope rock mass is loaded. The rigid-body limit equilibrium method evaluates the slope stability along the joints, and the slope stability coefficients of all three sections are all greater than 1.4. The safety factors are in line with the relevant specifications and the results provide an important basis for slope reinforcement design.