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SITUATION: The soil layer under a dam is made up of 4 layers with the following properties: Thickness (m) K(um/ he)

August 13, 2019/in Questions Uploads /by admin

SITUATION: The soil layer under a dam is made up of 4
layers with the following properties:
Thickness (m)
K(um/ he)
4
2
4
3
10
3
4
5
2
19. What is the equivalent coefficient of permeability
In the vertical direction?
a. 1. 25 m/day
c. 0.65 m/ day
0. 95 m/day
d. 0.75 m/day
20. What is the transmissivity of the soil when the
water is at the ground surface?
2. 25.42 m /day
c. 15. 24m / day
b. 18,75 m / day
d. 20.87 m"/ day
21. If the hydraulic gradient flow is 0.002, what is
the interstitial velocity of water through the soil in
the soil has average void ratio of 0.70?
a. 0. 0152 cm/ hr
c. 0. 0214 cm/hr
6. 0. 0187 cm/ hr
d. 0.0321 cm/hr