The Modeling Research on the Early-Age Shrinkage of UHPFRC in Different Curing Conditions

Table 2

The chemical composition of silica fume, class I fly ash, and S95 slag wt.%.

	SiO2	Fe2O3	Al2O3	CaO	MgO	SO3	Alkali content	Loss
Silica fume	82.22	1.81	0.97	0.36	1.31	0.27	1.09	1.45
Fly ash	52.7	25.8	9.7	3.7	1.2	—	2.30	0.4
Mineral powder	30.5	—	12.5	38.2	9.4	0.92	3.05	0.6