Effect of Sand Compaction Piles on the Swelling and Shrinkage Behavior of Expansive Soil

Table 1

Properties of used expansive clay soil.

Properties	Values
Specific gravity	2.66
Sand	2%
Silt	22%
Clay	76%
Liquid limit (%)	85
Plastic limit (%)	32.4
Plasticity index (%)	52.6
Free swell index (%)	177
Natural dry density (kN//m^3)	20.21
Natural moisture content (%)	8.69
USCS and IS classification	CH