The Effect of Different Parameters on the Development of Compressive Strength of Oil Palm Shell Geopolymer Concrete

Table 1

Chemical composition of used fly ash and ordinary Portland cement (%).

Content	SiO2	Al2O3	Fe2O3	CaO	MgO	SO3	K2O	Na2O	MnO	TiO2	P2O5	Cr2O3	Sr	Zn	LOI
FA	57.6	28.9	5.79	0.18	0.91	0.23	0.86	0.38	0.035	1.843	0.463	0.016	0.101	0.022	3.63
OPC	19.03	4.6	3.05	63.02	2.64	2.58	1.03	0.26	0.127	0.250	0.030	0.003	0.069	0.009	2.58