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…

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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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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