Research Article

Plasticity, Swell-Shrink, and Microstructure of Phosphogypsum Admixed Lime Stabilized Expansive Soil

Table 1

Properties of soil.

PropertyValue

Liquid limit68%
Plastic limit27%
Plasticity index41%
Shrinkage limit10%
Specific gravity2.76
% gravel0
% sand2.5
% silt60.5
% clay37
Maximum dry density15.3 kN/m3
Optimum moisture content25%
UCC strength115.8 kPa
Soil pH6.53
Soil classificationCH