Coefficient Permeability of Soil A falling head permeability test is conducted on silty soil. The sample diameter is 10.0 cm and its length or thickness is 7.8 cm. The diameter of the standpipe is 6.0 mm. The head at the start of the test is 47.8 cm. The test lasts 8.5 min and the head falls to 22.6 cm. Find the coefficient of permeability of this soil in cm/s? Provide step by step solution.

Fundamentals of Geotechnical Engineering (MindTap Course List)
5th Edition
ISBN:9781305635180
Author:Braja M. Das, Nagaratnam Sivakugan
Publisher:Braja M. Das, Nagaratnam Sivakugan
Chapter6: Hydraulic Conductivity
Section: Chapter Questions
Problem 6.7P
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Coefficient Permeability of Soil

A falling head permeability test is conducted on silty soil. The sample diameter is 10.0 cm
and its length or thickness is 7.8 cm. The diameter of the standpipe is 6.0 mm. The head at the
start of the test is 47.8 cm. The test lasts 8.5 min and the head falls to 22.6 cm. Find the
coefficient of permeability of this soil in cm/s? Provide step by step solution.

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