Research Article
Interaction of Magnesia with Limestone-Metakaolin-Calcium Hydroxide Ternary Alkali-Activated Systems
Table 1
Properties of metakaolin, limestone, and magnesia.
| | Material | Mean particle size (µm) | Specific surface area (m2/g) | CaO + MgO | SiO2 | Al2O3 | Fe2O3 | Na2O + K2O | CaCO3 | LOI |
| | Metakaolin | 4.2 | 19 | 0.6 | 55 | 39 | 1.8 | 1 | — | 1 | | Limestone | 10.7 | — | 49 | 9.2 | 1.9 | 0.87 | 0.61 | 71.3 | 42.8 | | Magnesia | 5.0 | 110 | 99 | 0.35 | 0.1 | 0.15 | — | — | 4 |
|
|
