Mechanical Properties of High Volume Fly Ash Concrete Reinforced with Hybrid Fibers

Table 2

Chemical composition of fly ash.

Characteristics	Tarong fly ash	ASTM class F fly ash
SiO2	65.9	The sum of SiO2 + Al2O3 + Fe2O3 (min 70%)
Al2O3	28.89
Fe2O3	0.38
TiO2	1.97
MnO	0
MgO	0.15
CaO	0.06
Na2O	0.05
K2O	0.26
P2O5	0.08
SO3	0.03	Max, 5%
LOI	1.24	Max, 6%