In a constant head test, the sample of sand was collected 150 cm3 of water in just two minutes. The diameter is 5.08 centimeters, the length was 10 centimeters, and the head was maintained at 20 cm. 1) Determine the coefficient of permeability (Ans. 3.08 x 10-2 cm/s) 2) Determine the kind of soil (Ans. Coarse Sand) 3) Determine the interstitial velocity if n=0.3 (Ans. 0.21 cm/s)

Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
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In a constant head test, the sample of sand was collected 150 cm3 of water in just two minutes. The diameter is 5.08 centimeters, the length was 10 centimeters, and the head was maintained at 20 cm.

1) Determine the coefficient of permeability (Ans. 3.08 x 10-2 cm/s)

2) Determine the kind of soil (Ans. Coarse Sand)

3) Determine the interstitial velocity if n=0.3 (Ans. 0.21 cm/s)

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Determine the seepage velocity, in cm/min, if the porosity of soil is 0.30.

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Find the discharge velocity of soil in cm/min.

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