Table 2.

Chemical composition of the OPC and GGBS.

Chemical Composition	$\mathbf{OPC} (\mathit{\%}$)	$\mathbf{GGBS} (\mathit{\%}$)
${\mathrm{S}\mathrm{i}\mathrm{O}}_2$	20.60	32.91
${\mathrm{A}\mathrm{l}}_2{\mathrm{O}}_2$	4.81	15.36
${\mathrm{F}\mathrm{e}}_2{\mathrm{O}}_3$	3.83	0.74
$\mathrm{C}\mathrm{a}\mathrm{O}$	63.78	37.11
$\mathrm{M}\mathrm{g}\mathrm{O}$	1.58	8.52
${\mathrm{S}\mathrm{O}}_3$	2.30	0.18
${\mathrm{C}\mathrm{l}}^{-}$	0.03	0.018
Heat loss	2.81	0.12