FEM simulation of imper vious effects of suspended curtain

YANG Xiu-zhu; CHEN Fu-quan; LEI Jin-shan; WANG Xing-hua

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FEM simulation of imper vious effects of suspended curtain

更新时间：2026-06-25

- FEM simulation of imper vious effects of suspended curtain
- Vol. 26, Issue 1期　刊出日, (2005)
- 作者机构：
  
  1. 中南大学铁道校区土木建筑学院,湖南,长沙,410075
  2. 福建工程学院,福建,福州,350014
- 作者简介：
- 基金信息：
- DOI：
  CLC： TV543
- Online First：07 November 2013，
  
  Published：2005
- 稿件说明：
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YANG Xiu-zhu, CHEN Fu-quan, LEI Jin-shan, et al. FEM simulation of imper vious effects of suspended curtain[J]. 2005, 26(1期　刊出日).
DOI：

YANG Xiu-zhu, CHEN Fu-quan, LEI Jin-shan, et al. FEM simulation of imper vious effects of suspended curtain[J]. 2005, 26(1期　刊出日). DOI：

摘要

建立了二维渗流方程的有限元表达式，比较了某工程实例防渗帷幕建造前、后渗流速度和出溢处水力坡降的变化情况。计算表明，除帷幕底部小范围内渗流速度有所上升外，其它地区的渗流速度及下游出溢处的水力梯度均显著降低。在运用悬挂式防渗帷幕时，要注意提高帷幕底部的抗冲刷能力。

Abstract

The finite element expressions of two-dimensional seepage equations are obtained. The Darcian velocities after the suspended curtain construction are compared with that before it as well as the hydraulic gradients on the location where water comes out in the downriver. The results have showed that they decreased notably except that the velocities increased in small curtain bottom areas. The anti-scour performance should be improved on the curtain bottom when it is used in the hydraulic projects.

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