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文章利用极限平衡法分析无黏性砂质路堑边坡渗流时的稳定性,将滑坡体作为一个整体,既考虑力平衡又考虑力矩平衡,确定滑坡面的位置及最小安全系数。计算结果与传统条分法的结果比较发现,二者滑坡面的位置基本一样但计算最小安全系数略小于传统条分法的结果,理论计算结果与工程实际吻合较好。
The article uses limit equilibrium method to analyze the stability of seepage flow of non-viscous sandy cutoff slope. Taking the landslide body as a whole, both the force balance and the moment balance are taken into consideration to determine the position of the landslide and the minimum safety factor. Comparing the results with the traditional one, it is found that the location of the two landslides is basically the same, but the minimum safety factor is slightly smaller than the traditional one. The theoretical calculation results are in good agreement with the actual ones.