Strength Improvement of Black Cotton Soil Using Plastic Bottles and Crushed Glass Wastes

Table 4

Chemical composition.

	Compound name	Chemical formula	Percentage (%)
Soil	Montmorillonite	Na0.3(Al, Mg)2Si4O10(OH)21·6H2O	40.4
	Illite	Al2H2KO12Si4	26.3
	Quartz	SiO2	21.8
	Others	—	11.5
Glass	Sodium oxide	Na2O	11.1
	Calcite	CaCO3	39.4
	Silicon dioxide	SiO2	49.5