Q. The volumetric strain per unit increase in effective stress of soil is defined as
Solution:
- The volumetric strain per unit increase in effective stress of soil is defined as volume compressibility .
- The compression curve is plotted for effective stress versus void ratio. The void ratio is plotted using normal scale and effective stress is plotted using logarithm scale.
- The slope taken from virgin compression curve is termed as compression index.
- Coefficient of compressibility – the decrease in volume per unit volume (as of a gas) produced by a unit change in pressure.
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