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

*Korrespondierende/r Autor/-in für diese Arbeit

Publikation: Beitrag in Buch/Bericht/KonferenzbandBeitrag in einem KonferenzbandBegutachtung

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.

Originalspracheenglisch
TitelProceedings of the 4th International Conference on Dam Engineering - New Developments in Dam Engineering
Redakteure/-innenM. Wieland, Q. Ren, J.S.Y. Tan
Seiten1197-1203
Seitenumfang7
PublikationsstatusVeröffentlicht - 1 Dez. 2004
VeranstaltungProceedings of the 4th International Conference on Dam Engineering - New Developments in Dam Engineering - Nanjing, China
Dauer: 18 Okt. 200420 Okt. 2004

Publikationsreihe

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

Konferenz

KonferenzProceedings of the 4th International Conference on Dam Engineering - New Developments in Dam Engineering
Land/GebietChina
OrtNanjing
Zeitraum18/10/0420/10/04

ASJC Scopus subject areas

  • Ingenieurwesen (insg.)

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