11. Consider the downward flow of water through a layer of sand in the tank shown. (see picture below) Void ratio of the soil = 0.52 Specific Gravity = 2.70 Compute the value of h1. (Answer: 0.436) Compute the effective stress at A. (Answer: 17.44 kPa) Compute the effective stress at B. (Answer: 31.98 kPa)

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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11. Consider the downward flow of water through a layer of sand in the tank shown. (see picture below)

Void ratio of the soil = 0.52

Specific Gravity = 2.70

  • Compute the value of h1. (Answer: 0.436)
  • Compute the effective stress at A. (Answer: 17.44 kPa)
  • Compute the effective stress at B. (Answer: 31.98 kPa)
  • Compute the seepage force per unit volume. (Answer: 3.57 kN/m3)
Consider the downward flow of water through
a layer of sand in the tank as shown.
Voids ratio of soil 0.52
Sp.gr. = 2.70
In flow
0.70
0.80
Sand
1.2
2-0.52
1.0
valve
open
Out flow
a) Compute the value of hy.
b) Compute the effective stress at A.
Transcribed Image Text:Consider the downward flow of water through a layer of sand in the tank as shown. Voids ratio of soil 0.52 Sp.gr. = 2.70 In flow 0.70 0.80 Sand 1.2 2-0.52 1.0 valve open Out flow a) Compute the value of hy. b) Compute the effective stress at A.
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