Research Article
Reduction of Postfire Properties of High-Strength Concrete
Table 2
Hot compressive strength of concrete specimens while heated to a predetermined temperature level—(a).
| Property | Temperature level (°C) | 20 | 200 | 400 | 500 | 600 |
| (MPa) | 63.6 | | 65.8 | | 51.5 | | 38.7 | 27.7 | | 61.8 | Mean 62.2 | 58.8 | Mean 62.2 | 47.0 | Mean 50.0 | 39.9 | Mean 39.9 | 32.3 | 61.3 | | 61.9 | | 51.4 | | 41.1 | | 26.9 |
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