基于浸润线矩阵的尾矿坝稳定性分析

由于尾矿坝的渗流边界条件极为复杂，采用的二维简化理论分析法的计算结果有可能与实测浸润线的结果相差较大，急需一种能较为准确预测尾矿坝浸润线位置的简易算法。在深入剖析尾矿坝浸润线影响因素的基础上，建立了浸润线叠加影响函数，归纳出与尾矿坝坝体特征相关的阶段影响因子，提出反映阶段影响因子的浸润线矩阵。运用多项式回归分析浸润线观测数据，拟合得出浸润线观测孔水位与库水位的函数曲线，求得尾矿坝浸润线矩阵。

Stability analysis of tailings dam based on saturation line matrix

Due to the extremely complicated boundary conditions of saturation flow of tailings dam, the calculation results adopting two-dimensional simplified theory may be greatly different from the measured results. A simple accurate calculation method to forecast saturation line is needed urgently. Based on deep analysis of affecting factors of saturation line in tailings dams, the superposition influence function is established; and the saturation line matrix prediction method is brought forward to predict the saturation line. According to the daily observation of saturation line, the water level of observation well and reservoir water level curves are attained by polynomial regression analysis.