Research Article
Residual Compressive Strength of High-Strength Concrete Exposed to Elevated Temperatures
Table 3
Statistics of input parameters (485 data points).
| Statistical parameter | Aggregate/binder ratio, a/b | Water/binder ratio, w/b | Heating rate, Hr (°C/min) | Elevated temperature, T (°C) | Concrete strength at room temperature, (MPa) |
| Min. value | 0.82 | 0.13 | 0.50 | 50 | 41.5 | Max. value | 4.59 | 0.60 | 20.0 | 1200 | 140.6 | Mean | 2.29 | 0.36 | 5.78 | 479 | 67.3 | Standard deviation (SD) | 0.65 | 0.11 | 5.74 | 261 | 19.7 | Coefficient of variation (CV) (%) | 28.2 | 31.2 | 99.4 | 54.5 | 29.2 | Skewness | 0.232 | 0.564 | 1.507 | 0.529 | 0.646 | Kurtosis | −0.042 | −0.569 | 1.235 | −0.255 | 0.263 |
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