Table of Contents
1. Calculate the Free Swell Index Of Soil Index
The level of the soil in the kerosene graduated cylinder shall be read as the original volume of the soil sample & kerosene being a non-polar liquid does not cause swelling of the soil. The level of the soil in the distilled water cylinder shall be read as the free swell level.
The free swell index of the soil shall be calculated as follows:
Free swell index = (
Where,
Vd is the volume of soil specimen read from the graduated cylinder containing distilled water
Vk is the volume of soil specimen read from the graduated cylinder containing kerosene
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