Optimization of Self-Compacting Concrete Containing Blast-Furnace Slag Compositions

Table 2

Chemical composition of raw materials.

Material	The content of oxides, %
	SiO2	Al2O3	Fe2O3	CaO	MgO	SO3	K2O	Na2O
Portland cement	21.80	5.32	4.11	66.80	0.95	0.63	0.54	0.42
Blast furnace slag	39.52	6.49	0.12	47.13	3.10	1.74	—	—