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本文在分析矿区水文地质条件并加以简化的基础上,对含水层的边界条件及非均质性作了技术处理,从而确定了矿区水文地质计算模型,然后运用泰斯非稳定流理论建立求解疏干流量的数学模型。在规定的疏干要求下,预测了各阶段的疏干流量及相应的疏干时间。文中对阶梯流量迭加计算过程,当含水层为承压—无压状态下,如何确定水力传导系数,提出了新的方法。
Based on the analysis of hydrogeological conditions in the mining area and its simplification, the paper treats the boundary conditions and heterogeneity of the aquifer technically, and then determines the hydrogeological calculation model of the mining area. Then, The mathematical model of dry flow. Dredging requirements in the provisions of the forecast of the various stages of dredging flow and the corresponding dredging time. In this paper, we calculated the step flow rate, and when the aquifer is under pressure and no pressure, how to determine the hydraulic conductivity, a new method is proposed.