Q3. A flow net for flow around a single row of sheet piles in a permeable soil layer is shown in Figure below with a scale as shown. Given that kx = kz= k = 4 x 10-³ cm/sec, determine H=(5+x+y) m a. How high (above the ground surface) the water will rise if piezometers are placed at points a and b b. The total rate of seepage through the permeable layer per c. The approximate average hydraulic gradient at c factor of safety against piping d. a Dam unit length Scale 5 m b Impermeable layer
Q3. A flow net for flow around a single row of sheet piles in a permeable soil layer is shown in Figure below with a scale as shown. Given that kx = kz= k = 4 x 10-³ cm/sec, determine H=(5+x+y) m a. How high (above the ground surface) the water will rise if piezometers are placed at points a and b b. The total rate of seepage through the permeable layer per c. The approximate average hydraulic gradient at c factor of safety against piping d. a Dam unit length Scale 5 m b Impermeable layer
Fundamentals of Geotechnical Engineering (MindTap Course List)
5th Edition
ISBN:9781305635180
Author:Braja M. Das, Nagaratnam Sivakugan
Publisher:Braja M. Das, Nagaratnam Sivakugan
Chapter7: Seepage
Section: Chapter Questions
Problem 7.7CTP
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A flow net for flow around a single row of sheet piles in a permeable soil layer is
shown in Figure below with a scale as shown. Given that kx = kz=k = 4 x 10-3
cm/sec, determine
- How high (above the ground surface) the water will rise if piezometers are placed at points a and b
- The total rate of seepage through the permeable layer per unit length
- The approximate average hydraulic gradient at c
- factor of safety against piping
x=1.6 y=2.8
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