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Transient Antiseepage Analysis of the Relief Well in Beijiang Dike

Author

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  • Wenbing Xu
  • Chuan Xu
  • Qinghe Yao
  • Trevor Hocksun Kwan
  • Sheng Wang

Abstract

In this paper, the seepage finite element method (FEM) is used to simulate the transient seepage of Beijiang Dike, and antiseepage solutions are designed and discussed. By comparing the measured data of a piezometer with the steady-state calculation model, the calculated results are compatible very well with the measured data. Aiming to improve the ability to respond in extreme weather conditions, we calculate the transient seepage field after the water level suddenly rises in a short time and then select the relief well as the antiseepage measure and optimize it. The results show that when the water level is 15.78 m, the slope reaches 0.5, and the embankment is damaged. With the increase of penetration depth, the effect of drainage and decompression in the depth of 3/5 and 4/5 is relatively small due to geological strips. Due to different geological conditions, the same relief wells are placed in different positions with a wide gap in effect, the antiseepage effect is the best when the horizontal distance is 95 m, and the effect is the best when the depth is 16.5 m. The research results can be used to guide the seepage prevention and control design of Beijiang Dike.

Suggested Citation

  • Wenbing Xu & Chuan Xu & Qinghe Yao & Trevor Hocksun Kwan & Sheng Wang, 2020. "Transient Antiseepage Analysis of the Relief Well in Beijiang Dike," Mathematical Problems in Engineering, Hindawi, vol. 2020, pages 1-10, July.
    • Handle: RePEc:hin:jnlmpe:7623481
    DOI: 10.1155/2020/7623481
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