Permeability of two-layer soils

被引：0

作者：

Sridharan, A ^{[1
]}

Prakash, K

机构：

[1] Indian Inst Sci, Dept Civil Engn, Bangalore 560012, Karnataka, India

[2] Sri Jayachamarajendra Coll Engn, Dept Civil Engn, Mysore 570006, Karnataka, India

来源：

GEOTECHNICAL TESTING JOURNAL | 2002年 / 25卷 / 04期

关键词：

clays; drainage; filters; laboratory tests; layered system; permeability; sedimentation;

D O I：

暂无

中图分类号：

P5 [地质学];

学科分类号：

0709 ; 081803 ;

摘要：

The equivalent coefficient of permeability of a stratified soil system calculated theoretically has been observed to be not the same as that directly measured, when the flow is normal to the orientation of the bedding planes. A hypothesis has been proposed in this investigation to explain this deviation according to which the permeability of the exit layer controls whether the measured permeability is greater or lesser than the theoretically calculated value. The proposed hypothesis has been used to successfully and satisfactorily explain the experimental observations made with the two-layer systems. It has been shown that the coefficient of permeability of a soil in a layered system cannot be considered as its property and that it depends upon the permeabilities of adjoining layers, their thicknesses, and the flow direction.

引用

页码：443 / 448

页数：6