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

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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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
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indicate the final answer in 3 decimal places.
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Figure below shows layers of soil in a tube that is 100mm x 100mm incross section. Water is supplied at a constant head difference of 400 mm across thesample. The hydraulic conductivities of the soils in the direction of flow through them areas follows. Soil k (cm/sec) Porosity, n (%) A 1x10-2 25 B 3x10-3 32 C 4.9x10-4 22 a. Calculate the equivalent k in cm/sec.b. Calculate the rate of water supply in cm^3/hrc. Calculate the seepage velocity through soil C in m/sec.
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2.5 Seepage problem (Soil Mechanics)
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answer 7.10
The velocity of flow through a soil mass having coefficient of permeability 3.5 x 10^4 mm/sec and hydraulic gradient 0.55 is- 11:31 PM BFF
Problem G: For Problem 27 to 28. In a constant head permeability test the following are given L= 250 mm and A=105 cm?. If the value of k = 0.014 cm/secand flow rate of 120 cm3/min which is to be maintained. 27) What is the head difference, h in the specimen? b) 34.341 cm 28) Determine the discharge velocity in cm/sec? b) 0.109 a)34.136 cm c) 33.901 cm d) 34.014 cm a) 0.0189 c) 1.019X102 d) 0.019