Effect of Source Type on Pore Structure and Properties of Aerated Geopolymer Concrete

Table 1

Oxide compositions of fly ash and silica fume as determined by XRF.

Oxide	SiO2	TiO2	Al2O3	Fe2O3	MnO	MgO	CaO	K2O	P2O5	SO3	Na2O	ZnO
Fly ash	42.72	3.96	15.7	13.04	0.19	0.69	19.59	1.59	0.635	0.59	1.72	—
Silica fume	89.353	—	—	2.691	0.305	—	1.701	5.942	—	0.024	—	0.425