| Permeability of cement cores | ||
| Expansion ratio (%) | Pre-compression permeability (%) | Post-expansion permeability (%) |
| 2 |
| 13.57 ± 11.9 |
| 4 | 28.58 ± 14.5 | 13.30 ± 4.45 |
| 8 |
| 133.13 ± 17.39 |