Silica Fume and Nanosilica Effects on Mechanical and Shrinkage Properties of Foam Concrete for Structural Application

Table 2

Cement basic index.

Cement	Density (g/cm^3)	Compressive strength (MPa)			Flexural strength (MPa)
		3 days	7 days	28 days	3 days	7 days	28 days
P.O. 42.5	3.15	29.4	38.5	47.6	6.2	7.5	9.9