Chapter 7, Problem 7.12P

### 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

# The hydraulic conductivity of a sand at a void ratio of 0.85 is 0.08 cm/sec. Estimate its hydraulic conductivity at a void ratio of 0.68. Use Eq. (7.31).

To determine

Find the hydraulic conductivity of the sand at void ratio of 0.68.

Explanation

Given information:

The hydraulic conductivity of sand (k1) at the void ratio (e1) of 0.85 is 0.08 cm/sec.

The void ratio (e2) corresponding to the hydraulic conductivity (k2) is 0.68.

Calculation:

Determine the hydraulic conductivity of the sand at void ratio of 0.68 using the relation.

k1k2=e131+e1e231+e2

Substitute 0

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