| | Test group (TG) | The content of HA reagent added λ (%) | FA solution pH | Water content ω (%) | Void ratio (e) | Immersion age (d) |
| | UCS TG | 0, 5, 10, 15, 20, 25 | 4.5, 5.0, 5.5, 6.0, 7.0 | 24 | 0.8 | 28, 90, 180, 270, 365 | | SEM TG-1 | 0, 5, 10, 15, 20, 25 | 7.0 | 24 | 0.8 | 90 | | SEM TG-2 | 15 | 6.0, 5.5, 5.0, 4.5 |
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