Long Term Compression Strength of Mortars Produced Using Coarse Steel Slag as Aggregate

Table 2

Composition, LOI, and density of CEII/B-LL and SS. “Others” indicates the cumulative quantity of all oxides determined in quantity lower than 0.1 wt%.

Component	CEMIIB-LL (wt%)	SS (wt%)
CaO	62.3	38.2
SiO2	19.8	14.8
Al2O3	4.2	7.4
MgO	2.5	11.7
Na2O	0.6	—
K2O	1.1	—
Fe2O3	3.2	9.8
MnO	0.6	10.4
Cr2O3	—	2.0
V2O5	—	0.8
P2O5	—	1.2
	2.9	—
Others	2.8	3.7
Free lime	—	1.9
LOI (%)	4.25	—
Density (g/cm^3)	2.46	3.29

The amount of free CaO was previously measured following the ethylene glycol method.