The figure shows a layer of granular soil in a tank with an upward seepage by applying water through the valve at the bottom of the tank. The loss of head caused by upward seepage between the levels of A and B is 0.70 m. and between levels A and C is 0.28 m. The void ratio of the soil is 0.52 and its specific gravity is 2.72. O Compute the effective stress at C. (2) Compute the effective stress at B. 3 Compute the upward seepage force per unit volume.

Principles of Geotechnical Engineering (MindTap Course List)
9th Edition
ISBN:9781305970939
Author:Braja M. Das, Khaled Sobhan
Publisher:Braja M. Das, Khaled Sobhan
Chapter9: In Situ Stresses
Section: Chapter Questions
Problem 9.12P
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Ans. key : 1) 19.45 KPa. 2) 48.63 KPa 3) 1.37 kN/m
The figure shows a layer of granular soil in a
tank with an upward seepage by applying
water through the valve at the bottom of the
tank. The loss of head caused by upward
seepage between the levels of A and B is 0.70
m. and between levels A and C is 0.28 m.
The void ratio of the soil is 0.52 and its specific
gravity is 2.72.
O Compute the effective stress at C.
(2) Compute the effective stress at B.
3 Compute the upward seepage force per
unit volume.
Transcribed Image Text:The figure shows a layer of granular soil in a tank with an upward seepage by applying water through the valve at the bottom of the tank. The loss of head caused by upward seepage between the levels of A and B is 0.70 m. and between levels A and C is 0.28 m. The void ratio of the soil is 0.52 and its specific gravity is 2.72. O Compute the effective stress at C. (2) Compute the effective stress at B. 3 Compute the upward seepage force per unit volume.
0.70m
0.28
Im
Hjo
A
2m
Soil (e-0.52)
3m
valve
open
In flow
Transcribed Image Text:0.70m 0.28 Im Hjo A 2m Soil (e-0.52) 3m valve open In flow
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