Table 1.

Chemical properties of materials.

Oxide	Chemical Compositions (%)
	Cement	CCW	Fly Ash
SiO2	12.00	1.10	52.06
Al2O3	3.01	0.04	30.48
Fe2O3	4.11	0.50	4.47
CaO	74.03	96.46	5.62
MgO	1.30	-	1.32
K2O	1.28	0.45	1.54
Na2O	0.19	0.01	0.99
SO3	2.07	0.29	2.1
Loss of Ignition	1.02	2.24	0.95
Specific Gravity	3.15	2.22	2.27
Specific Surface Area (m2/g)	325	295	290