Influence of Waste Marble Dust on the Improvement of Expansive Clay Soils

Table 2

Chemical analysis of the expansive soil and marble dust.

Parameter	SiO2	Al2O3	Fe2O3	CaO	MgO	K2O	TiO2	SO3	MnO	LOI
Expansive soil	49.47	12.85	11.94	5.79	2.10	1.61	2.98	4.29	0.33	8.64
Marble dust	3.96	0.51	1.19	72.26	0.27	0.08	0.17	—	—	21.56