Table 1.

Physical and chemical properties of cement.

Chemical Composition	(wt.%)	Physical Properties	Value
SiO2	28.16	Specific surface area (m2/kg)	400
Al2O3	7.44	Water requirement of consistency/%	26.0
FexOy [25]	2.76	Initial setting/min	185
CaO	54.86	Final setting/min	260
Na2O	0.03	3 d flexural strength/MPa	4.1
MgO	4.36	28 d flexural strength/MPa	8.2
SO3	2.24	3 d compressive strength/MPa	21.0
Loss	2.67	28 d compressive strength/MPa	49.4