Research Article
Effects of Chemical Admixtures on the Working and Mechanical Properties of Ordinary Dry-Mixed Mortar
Table 3
Main properties of class II fly ash.
| Performance index | National standard | Test results | Conclusion |
| Fineness (45 μm sieve) (%) | ≤25 | 4.2 | Qualified | Water content (%) | ≤1.0 | 0.2 | Qualified | Mobility ratio (%) | ≤105 | 86 | Qualified | Stability | – | – | Qualified |
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