Hydration of Reactive MgO as Partial Cement Replacement and Its Influence on the Macroperformance of Cementitious Mortars

Table 2

Characteristics of fine and coarse sand.

Properties	Fine sand	Coarse sand
Nominal size (d/D)	0/2	0/4
Apparent density (g/cm^3)	2.62	2.63
Oven-dry density (g/cm^3)	2.60	2.61
Saturated and surface-dry density (g/cm^3)	2.61	2.62
Water absorption (%)	0.23	0.25
Fine particles content	Category 1	Category 1
Chloride content (%)	0.01	0.01
Particle-size distribution (mm)	Cumulative retained material for fine and coarse sand (%)
4.0	100
2.0	93.2
1.0	77.4
0.5	50.9
0.25	15.6
0.125	1.4
0.063	0.0