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Dilatancy
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bag at once begins to change its shape, the water sinks in the neck until a pint of water has been drawn into the bag.
Fig. 14.
This is the maximum dilatation, the grains are now in the most open order into which they can be brought by squeezing. Further squeezing causes the grains to take closer order, so that the interstices diminish and the water rises in the neck.
