In a falling permeameter, the sample used is 20 cm long having a cross-sectional area of 24 cm2. The sample of soil is made of three layers. The thickness of the first layer from the top is 8 cm and has a value of k1 = 2 x 10-4 cm/s, the second layer of thickness 6 cm has k2 = 5 x 10-4 cm/s and the bottom layer of thickness 4 cm has k3 = 7 x 10-4 cm/s. Assume the flow is taking perpendicular to the layers. Estimate the average hydraulic conductivity of soil in the vertical direction.a.3.12 x 10-4 cm/sb.5.69 x 10-4 cm/sc.2.35 x 10-4 cm/sd.4.28 x 10-4 cm/se.6.69 x 10-4 cm/s

Answered: In a falling permeameter, the sample…

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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In a falling permeameter, the sample used is 20 cm long having a cross-sectional area of 24 cm². The sample of soil is made of three layers. The thickness of the first layer from the top is 8 cm and has a value of k₁ = 2 x 10^-4 cm/s, the second layer of thickness 6 cm has k₂ = 5 x 10^-4 cm/s and the bottom layer of thickness 4 cm has k₃ = 7 x 10^-4 cm/s. Assume the flow is taking perpendicular to the layers. Estimate the average hydraulic conductivity of soil in the vertical direction.

a.3.12 x 10^-4 cm/s

b.5.69 x 10^-4 cm/s

c.2.35 x 10^-4 cm/s

d.4.28 x 10^-4 cm/s

e.6.69 x 10^-4 cm/s

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