From constant head permeability test on fine sand, the following data were recorded: Length of sample = 16 cm Diameter of sample = 9.6 cm Constant head difference = 50 cm Volume of water collected in 4 minutes = 420 cm3 Find the discharge velocity in cm/sec.

From constant head permeability test on fine sand, the following data were recorded: Length of sample = 16 cm Diameter of sample = 9.6 cm Constant head difference = 50 cm Volume of water collected in 4 minutes = 420 cm3 Find the discharge velocity in cm/sec.

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 7.22P: Refer to Figure 7.24. The following data were collected during the field permeability measurement of...

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Concept explainers

Laboratory Determination of Hydraulic Conductivity

Hydraulic conductivity is the measure of flowability of water inside the soil in the presence of a hydraulic gradient. The hydraulic gradient is defined as the difference in the water heads in the soil, which induces a water motion. In simple terms, a hydraulic gradient is the presence of a potential that induces a flow of water.

Question

From constant head permeability test on fine sand, the following data were recorded:
Length of sample = 16 cm
Diameter of sample = 9.6 cm
Constant head difference = 50 cm
Volume of water collected in 4 minutes = 420 cm3
Find the discharge velocity in cm/sec.
O 0.163 cm/s
O 0.184 cm/s
0.095 cm/s
O 0.024 cm/s

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