Research Article
Sodium Sulphate Effect on Cement Produced with Building Stone Waste
Table 3
Physical properties of materials used in this study.
| Property | Material | Clinker | Pumice | Fly ash | Diatomite | Andesite | Marble |
| Material retained on 200 m (%) | 0.3 | 19.3 | 0.40 | 17.90 | 0.70 | 1.70 | Material retained on 80 m (%) | 1.84 | 73.85 | 14.72 | 43.01 | 22.54 | 21.75 | Specific gravity (g/cm3) | 3.16 | 2.34–2.45 | 2.05 | 2.35 | 2.39 | 2.73 | Specific surface (Blaine, cm2/g) | 3294 | — | 4290 | — | — | — | Loose unit weight (g/cm3) | — | 0.35 | — | 0.67 | 2,58 | 2.8 | Colour | Dark gray | Off-whites yellowish | Dark brown | White | Dark gray | Cream | Hardness (Mohs) | — | 5–5.5 | — | — | — | 3 | Organic substances | None | None | None | None | None | None | Water absorption (for 5–10 min. and for grain size of 2–7.5 cm) | 36.65 | — | — | 91.80 | 2.99 | 10 | Apparent porosity (%) | — | — | — | 61.50 | 14.27 | 0.2 | Compressive strength (kg/cm2) | | 29–47 | | 60 | 887 | 704 |
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