Answersa) 60 L/secb) 88.29 kPac) 6886.62 kN/m 1Problem:The figure shows a weir, the base of which is6 m. below the ground. The necessaryflow net has also been drawn assumingK = Ky = K. K=0.005 m/sec.W.S.weirH=2lmW.S.42mta) Compute the rate of seepage through thefoundation in liters/sec.b) Compute the uplift pressure at ".e Compute the uplift force per unit length. measured along the axis of the weir.

a) Seepage (Q) Q =KHnetNfNdhereK=0.005 m/secHnet = 21 mNf =4Nd =7Putting valuesQ=0.005×21×47Q= 0.06…

Answered: weir H-21m W.S. 142m a) Compute the…

Engineering

Civil Engineering

weir H-21m W.S. 142m a) Compute the rate of seepage through the foundation in liters/sec.

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 9.10P

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Question

Answers

a) 60 L/sec

b) 88.29 kPa

c) 6886.62 kN/m

1
Problem:
The figure shows a weir, the base of which is
6 m. below the ground. The necessary
flow net has also been drawn assuming
K = Ky = K. K=0.005 m/sec.
W.S.
weir
H=2lm
W.S.
42mt
a) Compute the rate of seepage through the
foundation in liters/sec.
b) Compute the uplift pressure at ".
e Compute the uplift force per unit length
. measured along the axis of the weir.

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