Potential Use of Scoria as a Cementitious Material for Green Concrete Production

Table 2

Chemical and physical properties of cement used.

Chemical composition of oxides		Physical properties
Oxides	Mean value	Description		Mean value
SiO2 (%)	20.65	Residue (%) on 45 µm		10.50
Al2O3 (%)	4.96	Standard consistency		28.5
Fe2O3 (%)	3.02	Setting time (minutes)	I.S.T	155
CaO (%)	63.08		F.S.T	230
MgO (%)	1.42	Compressive strength (MPa)	1 day	11.02
SO3 (%)	2.11		3 days	17.40
LOI	0.82		28 days	42.63