The Influence of Ground Fly Ash on Cement Hydration and Mechanical Property of Mortar

Table 1

Chemical compositions of cement and fly ash.

Composition	SiO2	Al2O3	Fe2O3	CaO	MgO	SO3	Na2O	f-CaO	Cl^−
Cement	21.56	4.44	2.78	62.83	2.32	3.14	0.6	0.79	0.01
Fly ash	57.60	21.90	2.70	3.87	1.68	0.41	1.05	—	—