Determination of Optimized Mix Design of Reactive Powder Concrete

Table 5

Chemical analysis of silica sand and comparing it with standard sand.

Type of sand	SiO2	Fe2O3	Al2O3	CaO	Na2O	K2O	MgO	LOI (loss on ignition)
Silica sand used in this study (%)	97–99	0.2–0.6	0.4–1.7	0.07–0.2	0–0.01	0.02–0.06	0	0.01–0.35
Standard sand (%)	96–98.1	0.2–0.7	0.51–1.63	0.4–0.7	0.03–0.8	0.02–0.08	—	—