There is an upward flow of 0.06 ml/s through a sand sample with a coefficient of permeability 3 × 10–2 mm/s. The thickness of the sample is 150 mm and the cross-sectional area is 4500 mm2. Determine the effective stressat the bottom and middle of the sample, if the saturated unit weight of the sample, is 18.9 kN/m3.

There is an upward flow of 0.06 ml/s through a sand sample with a coefficient of permeability 3 × 10–2 mm/s. The thickness of the sample is 150 mm and the cross-sectional area is 4500 mm2. Determine the effective stressat the bottom and middle of the sample, if the saturated unit weight of the sample, is 18.9 kN/m3.

Fundamentals of Geotechnical Engineering (MindTap Course List)

5th Edition

ISBN:9781305635180

Author:Braja M. Das, Nagaratnam Sivakugan

Publisher:Braja M. Das, Nagaratnam Sivakugan

Chapter10: Shear Strength Of Soil

Section: Chapter Questions

Problem 10.10P

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There is an upward flow of 0.06 ml/s through a sand sample with a coefficient of permeability 3 × 10^–2 mm/s. The thickness of the sample is 150 mm and the cross-sectional area is 4500 mm2.Determine the effective stress in N/m2 at the middle of the sample, if the saturated unit weight of the sample, is 18.9 kN/m3.
A = 45 B = 40 C = 15
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