Table 1 The concrete mixture components properties according to the supplier (developed by author, 2022).
Cement | Physical & mechanical properties | Setting time (min) | ≥ 60 |
Expansion (mm) | ≤ 10 | ||
Compressive strength (MPa) | ≥ 42.5 | ||
Chemical properties | Loss if ignition | ≤ 5% | |
Insoluble residues | ≤ 5% | ||
Sulphate (SC3) | ≤ 3.5% | ||
Chloride content (CL-) | ≤ 0.1% | ||
Sand | Physical properties | Specific gravity | 2.5 |
Fineness modulus | 2.46 | ||
Type of sand | Desert sand | ||
Sand size | Medium sand | ||
Gravel | Physical properties | Specific gravity | 2.5 |
Gravel size (mm) | 4.75 ≥ x ≥ 9.5 | ||
Color | Grey | ||
Shape | Angular | ||
Water | Good potable water available at BUE university’s laboratory free of debris | ||
