Table 1.
Physical and mechanical characteristics of Portland cement PC 500 D0 and its chemical composition.
| Indicator Title | Value |
|---|---|
| Physics and Mechanics | |
| Compressive strength at the age of 28 days, MPa | 54.8 |
| Setting time, min -start -the end |
155 220 |
| Fineness of grinding, passage through a sieve No. 008, % | 96.7 |
| Specific surface, m2/kg | 331 |
| Normal density of cement paste, % | 23.5 |
| Chemical | |
| Weight loss on ignition, % | 0.70 |
| Silicon oxide content (SiO2), % | 20.89 |
| Aluminum oxide content (Al2O3), % | 4.72 |
| Iron oxide content, (Fe2O3), % | 4.32 |
| Calcium oxide content (CaO), % | 63.27 |
| Magnesium oxide (MgO), wt % | 2.45 |
| Sulfuric acid anhydride (SO3), wt % | 2.81 |
| Alkaline oxides in terms of Na2O, wt % | 0.69 |
| Free calcium oxide content (CaOfr), % | 0.00 |
| Chloride ion (Cl−), wt % | 0.038 |
| Insoluble residue, % | 0.20 |