Chapter 3, Problem 3.6P

### Principles of Geotechnical Enginee...

9th Edition
Braja M. Das + 1 other
ISBN: 9781305970939

Chapter
Section

### Principles of Geotechnical Enginee...

9th Edition
Braja M. Das + 1 other
ISBN: 9781305970939
Textbook Problem

# A saturated clay soil has a moisture content of 40%. Given that Gs = 2.73, determine the following:a. Porosityb. Dry unit weightc. Saturated unit weight

(a)

To determine

Calculate the porosity of soil.

Explanation

Given information:

The moisture content (w) of the soil is 40%.

The specific gravity of the soil solids (Gs) is 2.73.

Calculation:

Consider the unit weight of water (γw) is 62.4lb/ft3.

Calculate the void ratio (e) using the relation.

e=wGs

Substitute 2.73 for Gs and 40% for w

(b)

To determine

Calculate the dry unit weight of the soil.

(c)

To determine

Calculate the saturated unit weight of the soil.

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