Simulation of influence of geomembrane on dike stability in external Qinhuai River

XING Wan-bo; XU Wei-ya; WANG Kai; YAN Xu

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Simulation of influence of geomembrane on dike stability in external Qinhuai River

更新时间：2026-06-25

- Simulation of influence of geomembrane on dike stability in external Qinhuai River
- Vol. 25, Issue 11期　刊出日, (2004)
- 作者机构：
  
  1. 河海大学岩土工程研究所,江苏,南京,210098
  2. 南京市水利局,江苏,南京,210008
- 作者简介：
- 基金信息：
- DOI：
  CLC： TU443
- Online First：25 July 2014，
  
  Published：2004
- 稿件说明：
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XING Wan-bo, XU Wei-ya, WANG Kai, et al. Simulation of influence of geomembrane on dike stability in external Qinhuai River[J]. 2004, 25(11期　刊出日).
DOI：

XING Wan-bo, XU Wei-ya, WANG Kai, et al. Simulation of influence of geomembrane on dike stability in external Qinhuai River[J]. 2004, 25(11期　刊出日). DOI：

摘要

以外秦淮河整治工程为背景，分析研究了外秦淮河堤防背水面在岸坡饱水工况下有或无土工膜设置时的渗透稳定性和抗滑稳定性；针对退水工况设计了3种渗透系数计算方案，分别对堤防临水面在有无土工膜时的渗透稳定性和抗滑稳定性进行了动态模拟，分析比较了有或土工膜时堤防稳定性的差别以及渗透系数的变化对其差别的影响，从而对外秦淮河堤防在运行情况下的稳定性做出了评价，对土工膜铺设对堤防稳定性的影响形成了一些有益的结论。其分析方法与结论可供同类工程借鉴。

Abstract

Based on the case study of external Qinhuai River dike a numerical study on the seepage stability and slide stability was carried out while considering the geomembrane placed on upstream face of the dike. The stability analysis were simulated with geomembrane under the design-flood-level and rapid-drawdown operating conditions. Especially under the latter operating condition

a simulation considering three hydraulic conductivity’s calculating schemes was carried out in the whole process of the rapid drawdown. According to these analyses

a basic safety evaluation related to the external Qinhuai River dike was made

and some helpful conclusions were illustrated between the stability of dike and geomembrane placed on upstream face. The analysis method and the results will be practical and helpful in dike engineering practice.

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