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Technical Supervision in Water Resources. 2025, (01)

Experimental and numerical analysis study on reverse erosion induced pipingChinese Full Text

GUO Shuai;

Abstract: 本研究旨在探讨非均质砂土中向后侵蚀管涌的形成机制及其对挡水结构稳定性的影响。通过小尺度实验,研究了微观和宏观非均质性对向后侵蚀管涌形成的影响,并结合二维和三维地下水流模型进行数值模拟。结果表明,宏观非均质性导致管涌阻力显著增加,这不仅与粒径变化有关,还与横向侵蚀通道对渗流模式的影响相关。这一发现对于理解和预测挡水结构在非均匀地质条件下的破坏机制具有重要意义,有助于改进洪水灾害和风险映射的准确性。 
Keywords：

侵蚀; 管涌; 非均质; 模型试验; 临界水头;

  • Series：

    (C) Architecture/ Energy/ Traffic/ Electromechanics, etc; (A) Mathematics/ Physics/ Mechanics/ Astronomy

  • Subject：

    Geology

  • Classification Code：

    P641.2

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