Investigation on Mechanical Durability Properties of High-Performance Concrete with Nanosilica and Copper Slag

Table 1

Chemical properties of copper slag, cement, and nanosilica.

Materials	Weight (percentage)
Silicon dioxide	26.72
Aluminum oxide	0.25
Ferric oxide	69.33
Calcium oxide	0.16
Sodium carbonate	0.6
Manganese oxide	0.25
Copper oxide	1.3
Titanium dioxide	0.5
Specific gravity (cement)	3.11
Initial setting (cement)	30 minutes
Final setting time (cement)	450 minutes
Specific surface area (m^2/gm) (nanosilica)	206
pH value (nanosilica)	4.3
Silica content (nanosilica)	99.9
Carbon content (nanosilica)	0.08