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Study on Calculation and Distribution Model of Landslide Thrust

机译：滑坡推力计算与分配模型研究

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摘要

Landslide thrust was calculated by limit equilibrium method and its distribution is discussed with strength reduction FEM in this paper. The equivalence has been validated on two kinds of different water pressure calculation, "Code Method" and "Pan Jia-zheng Method" of limit equilibrium methods, at the same time the reason of the error of "Simplified Pan Jia-zheng Method" is presented. A case of project of Three Gorges Reservoir Area shows that the distribution forms of landslide thrust on support structures are trapeziums by strength reduction FEM, and they would vary with the change of the shear strength parameters of sliding mass. When friction coefficient of sliding mass is increased with increasing of the contents of broken stone, the distribution form of landslide thrust would be changed from trapeziform to parabola. When cohesion of sliding mass is increased with increasing of the content of clayey soil, the distribution form of landslide thrust would be changed from trapeziform to triangular. The Landslide thrust would decrease and its barycenter would be down when friction coefficient and cohesion of sliding mass increase.
机译：通过极限平衡法计算滑坡推力，并在本文中讨论了其分布的分布。等同于两种不同的水压计算，“代码方法”和“潘嘉 - 郑方法”的极限均衡方法，同时出现“简化潘佳郑方法”的原因是提出了。三峡库区项目的案例表明，支撑结构上的滑坡推力的分布形式是强度减小有限元的梯形，它们会随着滑动质量的剪切强度参数的变化而变化。随着摩擦摩擦系数随着破碎石的含量增加而增加时，滑坡推力的分布形式将从梯形到抛物线改变。随着粘土土壤含量的增加而增加滑动质量的粘合，滑坡推力的分布形式将从梯形到三角形变为三角形。当摩擦系数和滑动质量增加的摩擦系数和凝聚力增加时，滑坡推力将减少，其重心将下降。

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