Numerical simulation of air resistance of French drains beneath geomembrane in field vacuuming testsChinese Full Text English Full Text (MT)

CAO Xue-shan;YUAN Jun-ping;DING Guo-quan;College of Civil and Transportation Engineering, Hohai University;Key Laboratory of Ministry of Education for Geomechanics and Embankment Engineering, Hohai University;

Abstract: The French drains beneath the geomembrane are an important engineering measurement for the geomembrane as anti-seepage structures of reservoirs, and have a decisive effect on the air exhaust beneath the geomembrane. The conversion relationship between the permeability coefficient and the square of path length is proposed on the basis of the principle of equivalent flow variation. It is deduced that the important reasons for the bulge of the geomembrane are the huge reservoir area and the long dr... More

Keywords：

geomembrane; seepage control; French drain; simplified calculation; consolidation of unsaturated soil; air resistance; air pressure distribution;

Series：
(C) Architecture/ Energy/ Traffic/ Electromechanics, etc
Subject：
Hydraulic and Hydropower Engineering
Classification Code：
TV49

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