The figure below shows three layers of soil in a tube that is 125mm x 125mm in cross section. Water is supplied to maintain a constant-head difference of 280mm across the sample. The hydraulic conductivities of the soils in the direction of flow through them are as follows: Soil k (cm/sec) A 8.5-² B 3.75 x 10-3 C 5.15 x 10-4 H1 H2 H3 = 160mm Find the rate of water supply in cm³/s and cm³/hr. Ah= ha A H₁ H3 2 H₂

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 7.13P
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The figure below shows three layers of soil in a tube that is 125mm x 125mm in cross
section. Water is supplied to maintain a constant-head difference of 280mm across the
sample. The hydraulic conductivities of the soils in the direction of flow through them
are as follows:
Soil
k (cm/sec)
A
8.5-²
B
3.75 x 10-3
C
5.15 x 10-4
H1 H2 H3 = 160mm
Find the rate of water supply in cm³/s and cm³/hr.
Ah=
ha
A
H₁
H3
2
H₂
Transcribed Image Text:The figure below shows three layers of soil in a tube that is 125mm x 125mm in cross section. Water is supplied to maintain a constant-head difference of 280mm across the sample. The hydraulic conductivities of the soils in the direction of flow through them are as follows: Soil k (cm/sec) A 8.5-² B 3.75 x 10-3 C 5.15 x 10-4 H1 H2 H3 = 160mm Find the rate of water supply in cm³/s and cm³/hr. Ah= ha A H₁ H3 2 H₂
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