A constant head permeability test has a soil sample length in the direction of flow of 350 mm, a sample cross sectional area normal to the flow direction of 125 cm2, and a head loss through the sample of 420 mm. The soil sample is a medium dense sand with a void ratio of 0.61. During a 3 minute test period, 580 cm3 of water flowed through the sample. (a) Sketch the Constant Head Permeameter and label the sketch with the appropriate dimensions given above. (b) Determine the Hydraulic conductivity, k, in cm/sec, and the seepage velocity (not just apparent velocity).
A constant head permeability test has a soil sample length in the direction of flow of 350 mm, a sample cross sectional area normal to the flow direction of 125 cm2, and a head loss through the sample of 420 mm. The soil sample is a medium dense sand with a void ratio of 0.61. During a 3 minute test period, 580 cm3 of water flowed through the sample. (a) Sketch the Constant Head Permeameter and label the sketch with the appropriate dimensions given above. (b) Determine the Hydraulic conductivity, k, in cm/sec, and the seepage velocity (not just apparent velocity).
Principles of Geotechnical Engineering (MindTap Course List)
9th Edition
ISBN:9781305970939
Author:Braja M. Das, Khaled Sobhan
Publisher:Braja M. Das, Khaled Sobhan
Chapter4: Plasticity And Structure Of Soil
Section: Chapter Questions
Problem 4.8P
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A constant head permeability test has a soil sample length in the direction of flow of 350 mm, a sample cross sectional area normal to the flow direction of 125 cm2, and a head loss through the sample of 420 mm. The soil sample is a medium dense sand with a void ratio of 0.61. During a 3 minute test period, 580 cm3 of water flowed through the sample. (a) Sketch the Constant Head Permeameter and label the sketch with the appropriate dimensions given above. (b) Determine the Hydraulic conductivity, k, in cm/sec, and the seepage velocity (not just apparent velocity).
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