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

Table 2

Chemical composition of materials.

Compound	Al2O3	CaO	Fe2O3	K2O	MgO	MnO	Na2O	P2O5	SiO2	TiO2	SO3
Soil	18.818	2.297	7.484	2.288	1.737	0.035	1.415	0.043	63.615	0.876	0.207
Lime	0.053	72.767	0.037	0.003	14.604	0.004	0.047	0.005	0.245	0.003	0.048
PG	0.649	35.728	4.88	0.042	0.661	0.001	0.106	10.701	16.957	0.015	4.598