Table 8. Phase assemblage for the PC–CC blend paste and after five months of hydration (by thermodynamic simulation with GEMs and by PXCT).
| Phase | Vol % (initial) with water | Vol % (GEMs) | Vol % (PXCT) |
|---|---|---|---|
| C3S | 26.7 | 3.0 | 20.3 |
| C2S | 8.2 | 4.1 | |
| C4AF | 5.3 | 2.3 | 4.0 |
| MgO | 0.5 | 0.4 | 0.7 |
| C3A | 1.2 | 0.2 | — |
| Bass | 0.8 | — | — |
| CaCO3 | 13.3 | 13.8 | 15.8 |
| Fe–Al–Si–Hg | — | 4.1 | —† |
| Portlandite | — | 17.0 | 10.2 |
| C-S-H | — | 29.2 | 28.2 |
| Hydrotalcite | — | 1.2 | — |
| AFt | — | 14.7 | 17.8 |
| Pore solution | 44.0 | 10.1 | 3.0 |
†
Fe–Al–Si–Hg could not be independently segmented as its electron density and attenuation values are too close to those of calcium carbonate.