Table 1.

Chemical compositions of both types of cement (%), which were determined as per BS EN 196-2 [28].

Component	CEM I 42.5N LH/SR3/NA	CEM III/A 42.5N LH/HSR/NA
SiO2	21.48	31.38
Al2O3	4.80	5.98
Fe2O3	2.62	2.09
CaO	65.60	52.51
MgO	0.87	3.73
SO3	2.84	1.45
K2O	0.47	0.56
Na2O	0.12	0.34
Cl	0.008	0.058
Loss on ignition	1.12	0.12

Special properties of cement: LH—low hydration heat, NA—low alkali content and HSR/SR—sulfate resistance.