The Effects of Different Types of Fly Ash on the Compressive Strength Properties of Briquettes

Table 1

The chemical composition (%w/w) of the materials used.

Constituents (%)	Soil	C	OE	SO	T
SiO2	51.21	44.05	43.18	53.32	58.36
Al2O3	12.59	11.57	19.36	20.16	22.17
Fe2O3	2.66	8.81	7.71	10.50	7.09
CaO	7.04	14.19	17.84	4.40	2.61
MgO	3.31	4.97	2.80	4.50	2.46
K2O	1.70	1.80	1.64	2.98	2.27
Na2O	1.52	3.59	0.36	0.51	0.71
SO3	5.57	10.34	2.53	1.04	0.34
KK	12.00	1.39	4.00	1.65	3.35
F CaO	0.07	0.14	0.31	—	0.01
Cl^−	0.0085	—	—	—	—