基于有限元技术的边坡稳定性考察

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基于极限平衡分析法和有限元法,对同一边坡进行了稳定性考察。对比计算表明,有限元计算得到的边坡安全系数与极限平衡法的结果非常接近。有限元计算还可以提供边坡坡体内的主应力、最大塑性应变、塑性区、水平位移、竖向位移、总体位移增量等参量的分布情况,为边坡加固方案的确定与加固位置的选择提供了依据。 Based on the method of limit equilibrium analysis and finite element method, the stability of the same slope is investigated. The comparative calculation shows that the slope safety factor calculated by finite element method is very close to the result of limit equilibrium method. Finite element calculation can also provide the distribution of parameters such as principal stress, maximum plastic strain, plastic zone, horizontal displacement, vertical displacement and overall displacement increment in slope slope, so as to determine the slope reinforcement plan and the choice of reinforcement location Provided the basis.
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