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5. The following data are for a falling- head permeability test: • Length of the soil sample = 400 mm Area of the soil sample 7854 mm2 %3D Diameter of the standpipe 11 mm %3D At time t = 0, head difference = 450 mm At time t = 8, head difference 200 mm If the test was conducted at 20°C at which yw =9.789 kN/m' and n = 1.005 x 10³N s/m2, a. Determine the absolute permeability of the soil (cm/sec). Ans. 8.4x 10m2 b. What was the head difference at t = 4 min? Ans. 30 cm

5. The following data are for a falling- head permeability test: • Length of the soil sample = 400 mm Area of the soil sample 7854 mm2 %3D Diameter of the standpipe 11 mm %3D At time t = 0, head difference = 450 mm At time t = 8, head difference 200 mm If the test was conducted at 20°C at which yw =9.789 kN/m' and n = 1.005 x 10³N s/m2, a. Determine the absolute permeability of the soil (cm/sec). Ans. 8.4x 10m2 b. What was the head difference at t = 4 min? Ans. 30 cm

Structural Analysis
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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Ans, O. 5. The following data are for a falling- head permeability test: Length of the soil sample = 400 mm Area of the soil sample = 7854 mm? %3! Diameter of the standpipe 11 mm At time t= 0, head difference = 450 mm At time t= 8, head difference = 200 mm !! If the test was conducted at 20°C at which yw =9.789 kN/m' and n= 1.005 x 10³N s/m2, %3D a. Determine the absolute permeability of the soil (cm/sec). Ans. 8.4x 10 m2 b. What was the head difference at t = 4 min? Ans. 30 cm 6. A lavers soil is shown in the figure. Given:
Transcribed Image Text:Ans, O. 5. The following data are for a falling- head permeability test: Length of the soil sample = 400 mm Area of the soil sample = 7854 mm? %3! Diameter of the standpipe 11 mm At time t= 0, head difference = 450 mm At time t= 8, head difference = 200 mm !! If the test was conducted at 20°C at which yw =9.789 kN/m' and n= 1.005 x 10³N s/m2, %3D a. Determine the absolute permeability of the soil (cm/sec). Ans. 8.4x 10 m2 b. What was the head difference at t = 4 min? Ans. 30 cm 6. A lavers soil is shown in the figure. Given:
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