If 40% of hydrostatic head is lost in flowing through soil B (that has k = 0.06 cm/s) as shown in figure below, then the discharge velocity and the seepage velocity through soil B are respectively [Consider level at point 1 as datum] Soil A B e 0.6 0.8 T 40 cm # 40 cm # 40 cm £ G 2.67 2.65 (1) Soil A (2) Soil B

If 40% of hydrostatic head is lost in flowing through soil B (that has k = 0.06 cm/s) as shown in figure below, then the discharge velocity and the seepage velocity through soil B are respectively [Consider level at point 1 as datum] Soil A B e 0.6 0.8 T 40 cm # 40 cm # 40 cm £ G 2.67 2.65 (1) Soil A (2) Soil B

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 7.5P

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If 40% of hydrostatic head is lost in flowing through soil B (that has k = 0.06 cm/s) as shown in figure below, then the discharge velocity and the seepage velocity through soil B are respectively [Consider level at point 1 as datum] Soil A B e 0.6 0.8 T 40 cm # 40 cm # 40 cm 1 G 2.67 2.65 (1) Soil A (2) Soil B
Problem 2 Figure shows the layers of soil in a tube 100 mm x 100 mm in cross-section water is supplied to maintain a constant head difference of 400 mm across the sample. The hydraulic conductivities of the soils in the direction of flow through them are as follows: Compute the rate of supply in cm³/hr. Water supply ao Direction of flow 400 A em sắc cm/sec. 200 200 hA ננות B C 2|K=3x10-¹K-S5x104 cm/sec. 200 ונות 600 ונות ווננת ;00 Out flow O 100 100
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Refer to Figure 7.24. The following data were collected during the field permeability measurement of a confined aquifer using a pumping test. Determine the hydraulic conductivity of the permeable layer. Use Eq. (7.49). Thickness of the aquifer, H = 4.5 m Piezometric level and radial distance of the first observation well: h1 = 2.9 m; r1 = 17.8 m Piezometric level and radial distance of the second observation well: h2 = 1.8 m; r2 = 8.1 m Rate of discharge from pumping, q = 0.5 m3/min
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Problem H: For Problem 28 to 29. 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 isto be maintained. %3D 28) What is the head difference, hin the specimen? a) 44 cm b) 24 cm c) 33.75 cm d) 34.0 cm 29) Determine the dischargevelocity in cm/sec? a) 0.017 b) 0.009 c) 1.019 d) 0.019
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Problem # 1. A constant head permeability test is performed on a sample of granular soil. The length of the soil sample is 15 cm and the cross-sectional area is 10 cm^2. If a 24 cm^3 volume of water passes through the oil sample in a 3-minute period and the constant head is 30 cm determine the followinga. Determine the coefficient of permeability of the soil.b. Find the discharge velocity.c. Compute the seepage velocity if the void ratio is 0.64.
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