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SEEPAGE CALCULATION OF HARDFILL DAM ON PERVIOUS FOUNDATION

机译：多孔地基上加筋坝的渗流计算

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摘要

The analytical solution of Hardfill dam's seepage discharge and phreatic line are deducted under different permeability dam foundation when blanket is taken as the main seepage prevention measure of the dam foundation. According to the seepage prevention similarity of the Hardfill dam and earth dam with a sloping core particularly the similarity of the upstream seepage proof facing plate of Hardfill dam and sloping core of the earth dam in seepage prevention, the methods that are used to calculate earth dam's seepage discharge and phreatic line are applied to the Hardfill dam. Basing on the usual practice of the hydraulics calculation, dam body and dam foundation are calculated separately. The dam body seepage discharge is obtained by coupling the facing plate, middle area of dam body and down triangle area, and the phreatic line in the dam is gotten by the known dam body seepage discharge; the semi-confined aquifer differential equation is used to calculate dam foundation seepage discharge. At last, analytical solution of Hardfill dam's seepage discharge and phreatic line are compared to the FEM solution to verify their accuracy.
机译：以橡皮布作为坝基防渗的主要措施，推导了不同渗透率坝基下Hardfill坝的渗流和潜水线的解析解。根据Hardfill坝与土坝倾斜边坡的防渗相似性，特别是Hardfill坝上游防渗面板与土坝斜心在防渗方面的相似性，计算了土坝坝坡的计算方法。渗水和潜水管线应用于Hardfill大坝。根据水力计算的常规做法，分别计算坝体和坝基。坝体的渗流是通过将面板，坝体的中部区域和下三角区域结合起来而获得的，通过已知的坝体的渗流可得到坝体中的潜水线。半封闭含水层微分方程用于计算坝基渗流。最后，将Hardfill坝的渗流和潜水线的解析解与FEM解进行了比较，以验证其准确性。

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  • 会议地点 Nanjing(CN)
  • 作者

    O.Scheneiter; rnO.Bertín;

  • 作者单位

    HE YUNLONG@School of Water Resource and Hydropower,Wuhan University,Wuhan 430072--LIU WENZHENG@School of Water Resource and Hydropower,Wuhan University,Wuhan 430072--LI LONG@School of Water Resource and Hydropower,Wuhan University,Wuhan 430072--;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 挡水坝;
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