Determination of Optimized Mix Design of Reactive Powder Concrete

Table 3

Chemical analysis of silica fume (weight percentage of elements).

Chemical elements	SiO2	Na2O	MgO	CaO	Fe2O3	Al2O3	K2O	Loss on ignition (LOI)	pH
Silica fume (%)	90–95	0.3–0.5	0.5–2.0	0.5–1.5	0.6–1.3	0.6–1.2	0.2–0.5	1.5–2.5	8.0–9.5