a. Calculate the effective pressure at point C. b. Find the seepage force per unit volume in kN/m³. c. If a piezometer is placed at point B, to what height the water will rise above this point?

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 9.11P
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4. The figure shows a granular soil in a tank having a downward seepage. The water level
in the tank is held constant by adjusting the supply from the top and the outflow at the
bottom. The void ratio of the soil is 0.50 and the specific gravity is 2.7.
0.8 m
5.4m
3.6m
H₂O
B
a. Calculate the effective pressure at point C.
b. Find the seepage force per unit volume in kN/m³.
c. If a piezometer is placed at point B, to what height the water will rise above this
point?
Transcribed Image Text:4. The figure shows a granular soil in a tank having a downward seepage. The water level in the tank is held constant by adjusting the supply from the top and the outflow at the bottom. The void ratio of the soil is 0.50 and the specific gravity is 2.7. 0.8 m 5.4m 3.6m H₂O B a. Calculate the effective pressure at point C. b. Find the seepage force per unit volume in kN/m³. c. If a piezometer is placed at point B, to what height the water will rise above this point?
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