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Technical indicators of different accelerators.
| Type | Fineness (80 μm Sieve Residue)/% | pH/% | Solid Content/% | Density /(g·cm−3) |
Cl- /% |
Setting Time/min | 1 d Strength/MPa | 28 d Strength Ratio/% | |
|---|---|---|---|---|---|---|---|---|---|
| Initial | Final | ||||||||
| SM | 11.5 | - | - | - | 0.06 | 2.5 | 7.1 | 8.2 | 90 |
| SF | 10.0 | - | - | - | 0.04 | 2.6 | 8.0 | 10.5 | 75 |
| AS | - | 3.8 | 48.5 | 1.47 | 0.06 | 3.2 | 7.0 | 7.6 | 90 |
