A permeable soil layer is underlain by an impervious layer. Knowing that k = 4.8 x 10-3 cm/sec for the permeable layer, calculate the rate of seepage through this layer in m3/hr/m width. Given: H = 4.2 m and a = 6°. Ans. 7.54 x 10-2

A permeable soil layer is underlain by an impervious layer. Knowing that k = 4.8 x 10-3 cm/sec for the permeable layer, calculate the rate of seepage through this layer in m3/hr/m width. Given: H = 4.2 m and a = 6°. Ans. 7.54 x 10-2

Principles of Geotechnical Engineering (MindTap Course List)

9th Edition

ISBN:9781305970939

Author:Braja M. Das, Khaled Sobhan

Publisher:Braja M. Das, Khaled Sobhan

Chapter7: Permeability

Section: Chapter Questions

Problem 7.2P

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Concept explainers

Principles of Seepage

In hydrology, when water flows down in a pore or crack of unsaturated soil due to gravity, the deep layer of soil is called seepage. It is the slow movement of water in the soil layer. Seepage is mainly found near hydraulic structures and is responsible for the stability of earthen-type hydraulic structures.

Question

How to solve the problem, Explain also how to solve for the L in Hydraulic gradient formula (i). Thank you so much

SAMPLE PROBLEM
A permeable soil layer is underlain by an impervious layer.
Knowing that k = 4.8 x 10-3 cm/sec for the permeable layer,
calculate the rate of seepage through this layer in m3/hr/m
width. Given: H = 4.2 m and a = 6°. Ans. 7.54 x 10-2

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