Table 1.
Chemical and mineral compositions of the Portland cement P.O.42.5.
| Chemical Components | Content (%) | Mineral Compositions | Content (%) | |
|---|---|---|---|---|
| Calcium oxide (CaO) | 63.15 | Tricalcium silicate (C3S, 3CaO·SiO2) | 50.65 | |
| Silicon dioxide (SiO2) | 21.21 | Dicalcium silicate (C2S, 2CaO·SiO2) | 20.32 | |
| luminum oxide (Al2O3) | 6.35 | Dicalcium aluminate (C3A, 3CaO·Al2O3) | 15.63 | |
| Ferric oxide (Fe2O3) | 3.34 | Tetracalciumaluminoferrite (C4AF, 4CaO Al2O3·Fe2O3) | 8.35 | |
| Alkalis (Na2O equivalent) | 1.45 | Gypsum (SCH2, CaSO4·2H2O) | 4.27 | |
| Magnesium oxide (MgO) | 2.75 | f-CaO | 0.78 | |
| Potassium oxide (K2O) | 1.22 | |||
| Sulfur trioxide (SO3) | 0.53 | |||