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...

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

Extracted 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:

Jun 10, 2022
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