Durability Studies on Fly Ash Based Geopolymer Concrete Incorporated with Slag and Alkali Solutions

Table 1

Chemical constitution (in %) of fly ash and GGBS.

Constituents	SiO2	Al2O3	CaO	Fe2O3	MgO	Na2O	K2O	SO4	LOI^a
Fly ash	63.32	26.76	2.49	5.55	0.29	0.0004	0.0002	0.36	0.97
GGBS	35.05	12.5	34.64	0.3	6.34	0.9	0.6	0.38	0.26

^aLoss of ignition.