通过分析当前常用干滩长度在线监测方法所适应的条件及其存在的问题，提出了一种可用于干滩长度在线监测的新方法---渗流反推法，其基本原理是通过在干滩面上依次布置一定数量的渗压计，以获取实时的浸润线，然后通过建立浸润线的库长-坝高坐标系，再结合库水位，通过解算浸润线与库水位方程组，计算出尾矿库的干滩长度。该方法具有适应性强，监测准确，费用低、操作与维护简单、抗雷电能力强等优点，为干滩长度在线监测新方法的探索提供了参考。%By analyzing the conditions and problems of current common methods used in online monitoring of beach width,a new method using in online monitoring of beach width-seepage inversion method was put forward. The basic principle is:by arranging some osmometers on beach,the real-time saturation line can be obtained,and by structuring the coordinate system of pond length to dam height,the beach width can be calculated by resolving the equation set of saturation line and water level. It has advantages of strong applicability,accurately monitoring,low cost,simple operation and anti-lightning,and provides reference for finding the new method in online monitoring of beach width.
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