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Principles of Geotechnical Enginee...

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

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BuyFindarrow_forward

Principles of Geotechnical Enginee...

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

The coordinates of two points on the virgin compression curve are as follows:

images

Determine the void ratio that corresponds to a pressure of 6300 lb/ft2.

To determine

Calculate the void ratio that corresponds to a pressure of 6,300lb/ft2.

Explanation

Given information:

The void ratio (e1) is 1.72.

The void ratio (e2) is 1.36.

The pressure (σ1) is 2,000lb/ft2.

The pressure (σ2) is 4,000lb/ft2.

The pressure (σ3) is 6,300lb/ft2.

Calculation:

Calculate the compression index (CC) using the relation.

CC=e1e2log(σ2σ1)

Substitute 1.72 for e1, 1.36 for e2, 2,000lb/ft2 for σ1, and 4,000lb/ft2 for σ2.

CC=1

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