From the figure shown, the thickness, tof a permeable soil layer is 1.3 mmaking an angle, Ø = 10.9° with thehorizontal. K=4.48x102 cm/sec, e=0.77.Horizontal distance between twopiezometers, H = 32 m. Difference inCompute the hydraulic gradient, ihead, h = 1m.Compute the discharge velocity, v inm/hr.Compute the flow rate in m?/hr/m.Compute the porosity of the soil in %.Compute the seepage velocity in m/hrPicture saved, Tap to view2IIIIIIII tH.II

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Compute the hydraulic gradient, i Compute the discharge velocity, v in m/hr. Compute the flow rate in m /hr/m. Compute the porosity of the soil in %. Compute the seepage velocity in m/hr

Principles of Geotechnical Engineering (MindTap Course List)

9th Edition

ISBN:9781305970939

Author:Braja M. Das, Khaled Sobhan

Publisher:Braja M. Das, Khaled Sobhan

Chapter7: Permeability

Section: Chapter Questions

Problem 7.3P

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Concept explainers

Consolidation parameters

Consolidation is the process of expulsion of pore water present in the voids of soil solids under the pressure of the applied load. This is a quick process in the case of coarse-grained soils since the permeability is high due to the presence of more voids, while it is a slow and gradual process in the case of clayey soil as the permeability of clay is less. An example of consolidation is the settlement of soil under a building due to the load coming from the building.

Question

From the figure shown, the thickness, t
of a permeable soil layer is 1.3 m
making an angle, Ø = 10.9° with the
horizontal. K=4.48x102 cm/sec, e=0.77.
Horizontal distance between two
piezometers, H = 32 m. Difference in
Compute the hydraulic gradient, i
head, h = 1m.
Compute the discharge velocity, v in
m/hr.
Compute the flow rate in m?/hr/m.
Compute the porosity of the soil in %.
Compute the seepage velocity in m/hr
Picture saved, Tap to view
2
II
II
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