Study on mechanism and effectiveness of measures for control of seepage in foundation of concrete dams

Yue Ming Zhu*, Feng Kuang, Stephan Semprich, Erich Bauer

*Corresponding author for this work

Research output: Chapter in Book/Report/Conference proceedingConference paperpeer-review

Abstract

Regarding to the mechanism and effectiveness of seepage control with grout and drainage curtains, a comprehensive study on the seepage behavior and the seepage control characteristics for a concrete gravity dam via modern calculation theories and techniques are carried out. Many relevant impact factors are considered, such as the depths and permeability of grout curtains; the diameter, spacing, drain type and drainage altitude of relief holes; and the interaction between the impervious and drainage measures. It is found that the interaction of the grout and drainage curtains is of extreme important to the safeties of the dam and the foundation as well. It is believed in general that under the support of the drainage curtains the relative impervious degree of the grout curtains is easily reached and the coefficient of permeability of the grout curtain beneath a concrete dam is only 2-3 times less than that of the rock mass surrounding the grout curtain.

Original languageEnglish
Title of host publicationProceedings of the 4th International Conference on Dam Engineering - New Developments in Dam Engineering
EditorsM. Wieland, Q. Ren, J.S.Y. Tan
Pages1197-1203
Number of pages7
Publication statusPublished - 1 Dec 2004
EventProceedings of the 4th International Conference on Dam Engineering - New Developments in Dam Engineering - Nanjing, China
Duration: 18 Oct 200420 Oct 2004

Publication series

NameProceedings of the 4th International Conference on Dam Engineering - New Developments in Dam Engineering

Conference

ConferenceProceedings of the 4th International Conference on Dam Engineering - New Developments in Dam Engineering
Country/TerritoryChina
CityNanjing
Period18/10/0420/10/04

ASJC Scopus subject areas

  • Engineering(all)

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