Table 1.

Chemical oxides of each material used in this study.

Chemical Oxides	CEM I 42.5R	CEM II/B	Clays		Limestone Powder
			A	B
CaO	63.19	46.94	2.17	2.39	71.59
SiO2	19.51	33.65	62.41	61.77	20.21
Al2O3	4.21	7.55	21.35	28.72	4.32
Fe2O3	2.85	2.94	7.26	3.03	1.43
MgO	0.85	3.39	1.78	0.68	1.69
Na2O	0.20	0.78	1.05	<0.01	0
K2O	0.48	0.74	2.50	2.3	0.15
TiO2	0.12	0.22	0.94	0.87	0.52
P2O5	0.45	<0.01	0.36	<0.01	0.42
SO3	2.3	4.02	0.07	0.22	1.48
Kaolinite content (%)	--		41.6	18	--