A field sample of an aquifer is packed in a test cylinder. The cylinder has a length of 120 cm and a diameter of 12 cm. The field sample with a porosity of 0.24 is tested under a constant head difference with water at 10°C. If the estimated hydraulic conductivity of the sample is 40 m/day and the hydraulic gradient is 1.5, calculate the average flow velocity (pore velocity). Arca Sand colume Datum plane O a. u = 166.63 m/d O b.u = 250.00 m/d Oc.u = 200.00 m/d O d. u = 48.00 m/d

Fundamentals of Geotechnical Engineering (MindTap Course List)
5th Edition
ISBN:9781305635180
Author:Braja M. Das, Nagaratnam Sivakugan
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Chapter6: Hydraulic Conductivity
Section: Chapter Questions
Problem 6.10P
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A field sample of an aquifer is packed in a test cylinder. The cylinder has a length of 120 cm and a diameter of 12 cm. The field sample with a porosity of 0.24
is tested under a constant head difference with water at 10°C. If the estimated hydraulic conductivity of the sample is 40 m/day and the hydraulic gradient is
1.5, calculate the average flow velocity (pore velocity).
Ply
Sand
column
Datum plane
O a. u = 166.63 m/d
O b. u = 250.00 m/d
O c.u = 200.00 m/d
O d. u = 48.00 m/d
Transcribed Image Text:A field sample of an aquifer is packed in a test cylinder. The cylinder has a length of 120 cm and a diameter of 12 cm. The field sample with a porosity of 0.24 is tested under a constant head difference with water at 10°C. If the estimated hydraulic conductivity of the sample is 40 m/day and the hydraulic gradient is 1.5, calculate the average flow velocity (pore velocity). Ply Sand column Datum plane O a. u = 166.63 m/d O b. u = 250.00 m/d O c.u = 200.00 m/d O d. u = 48.00 m/d
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