Research Article
Properties of Carbonated Steel Slag Admixture in the Cementitious System
Table 5
The compressive and flexural strength of steel slag.
| Number of sample | Compressive strength (MPa) | Flexural strength (MPa) | 7 days | 28 days | 7 days | 28 days |
| Blank sample | 28.6 | 42.1 | 5.5 | 6.8 | T1 | 30.5 | 39.1 | 6.0 | 7.4 | T2 | 30.1 | 38.7 | 5.8 | 7.4 | T3 | 30.8 | 40.3 | 5.8 | 7.3 | T4 | 30.4 | 40.2 | 6.2 | 7.2 | T5 | 29.9 | 41.5 | 6.0 | 0 | W0 | 32.1 | 41.5 | 6.5 | 7.7 | W1 | 30.2 | 40.9 | 5.8 | 7.3 | W2 | 29.6 | 42.9 | 6.1 | 8.1 | W3 | 29.0 | 40.5 | 6.2 | 7.5 | W4 | 30.3 | 41.3 | 6.1 | 7.5 | W5 | 29.1 | 40.0 | 5.6 | 6.5 | H1 | 31.1 | 43.0 | 5.9 | 7.3 | H2 | 32.0 | 41.9 | 6.2 | 7.8 | H3 | 31.4 | 47.5 | 5.8 | 7.8 | H4 | 32.2 | 46.9 | 6.2 | 8.0 |
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