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Analytical Solution and Application for One-Dimensional Consolidation of Tailings Dam

机译：尾矿坝一维固结解析解及应用

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摘要

The pore water pressure of tailings dam has a very great influence on the stability of tailings dam. Based on the assumption of one-dimensional consolidation and small strain, the partial differential equation of pore water pressure is deduced. The obtained differential equation can be simplified based on the parameters which are constants. According to the characteristics of the tailings dam, the pore water pressure of the tailings dam can be divided into the slope dam segment, dry beach segment, and artificial lake segment. The pore water pressure is obtained through solving the partial differential equation by separation variable method. On this basis, the dissipation and accumulation of pore water pressure of the upstream tailings dam are analyzed. The example of typical tailings is introduced to elaborate the applicability of the analytic solution. What is more, the application of pore water pressure in tailings dam is discussed. The research results have important scientific and engineering application value for the stability of tailings dam.
机译：尾矿坝的孔隙水压力对尾矿坝的稳定性有很大的影响。基于一维固结和小应变的假设，推导了孔隙水压力的偏微分方程。可以基于常数来简化所获得的微分方程。根据尾矿坝的特点，尾矿坝的孔隙水压力可分为边坡坝段，干滩段和人工湖段。通过用分离变量法求解偏微分方程获得孔隙水压力。在此基础上，分析了上游尾矿坝孔隙水压力的消散和积累。介绍了典型尾矿的示例，以详细说明分析解决方案的适用性。此外，还讨论了孔隙水压力在尾矿坝中的应用。研究结果对尾矿坝的稳定性具有重要的科学和工程应用价值。

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  • 来源
    《Mathematical Problems in Engineering》 |2018年第3期|4573780.1-4573780.9|共9页
  • 作者

    Liu Hai-ming; Nan Gan; Guo Wei; Yang Chun-he; Zhang Chao;

  • 作者单位

    Kunming Univ Sci & Technol, Fac Civil Engn & Mech, Kunming 650224, Yunnan, Peoples R China;

    Kunming Univ Sci & Technol, Fac Civil Engn & Mech, Kunming 650224, Yunnan, Peoples R China;

    Kunming Univ Sci & Technol, Fac Civil Engn & Mech, Kunming 650224, Yunnan, Peoples R China;

    Chinese Acad Sci, Inst Rock & Soil Mech, State Key Lab Geomech & Geotech Engn, Wuhan 430071, Hubei, Peoples R China;

    Chinese Acad Sci, Inst Rock & Soil Mech, State Key Lab Geomech & Geotech Engn, Wuhan 430071, Hubei, Peoples R China;

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