Research Article

Sodium Sulphate Effect on Cement Produced with Building Stone Waste

Table 3

Physical properties of materials used in this study.

Property Material
ClinkerPumiceFly ashDiatomiteAndesiteMarble

Material retained on 200 m (%)0.319.30.4017.900.701.70
Material retained on 80 m (%)1.8473.8514.7243.0122.5421.75
Specific gravity (g/cm3)3.162.34–2.452.052.352.392.73
Specific surface (Blaine, cm2/g)32944290
Loose unit weight (g/cm3)0.350.672,582.8
ColourDark gray Off-whites yellowish Dark brownWhiteDark gray Cream
Hardness (Mohs)5–5.53
Organic substances None NoneNoneNoneNoneNone
Water absorption (for 5–10 min. and for grain size of 2–7.5 cm)36.6591.802.9910
Apparent porosity (%)61.5014.270.2
Compressive strength (kg/cm2)29–4760887704