A field permeability test indicates that the coefficient of permeability for a certain soil is 2 * 10-2 mm>sec. Is this a relatively high or low coefficient of permeability? What type of soil would this probably be?

Answered: A field permeability test indicates…

Fundamentals of Geotechnical Engineering (MindTap Course List)

5th Edition

ISBN:9781305635180

Author:Braja M. Das, Nagaratnam Sivakugan

Publisher:Braja M. Das, Nagaratnam Sivakugan

Chapter5: Soil Compaction

Section: Chapter Questions

Problem 5.2P

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A field permeability test indicates that the coefficient of permeability for a certain soil is 2 * 10-2 mm>sec. Is this a relatively high or low coefficient of permeability? What type of soil would this probably be?

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Step 1

The coefficient of permeability of a soil mass is defined as “the property due to which the soil mass permits water to pass through interconnected voids of soil mass”. The coefficient of permeability plays on important role in determination of seepage quantity, consolidation of soil mass, and stability of slopes under continuous seepage.

The coefficient of permeability can be determined using the field permeability test. There are different types of field permeability test, they are

Constant head permeability test,
Falling head permeability test, and
Pumping out test.

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