Research Article
Mechanical and Electroconductivity Properties of Graphite Tailings Concrete
Table 7
Most grey correlation of compressive strength of GTC 0% to 40%.
| | Type | GTC-0 | GTC-10 | GTC-20 | GTC-30 | GTC-40 | Correlation degree |
| | Compressive strength (MPa) | 36.79 | 42.27 | 36.55 | 33.13 | 32.32 | — | | Porosity (%) | 18.6 | 16.4 | 19.25 | 19.91 | 22.58 | 0.7651 | | Median pore size (nm) | 28.7 | 25.0 | 22.0 | 27.3 | 27.9 | 0.7411 | | Average pore size (nm) | 19.3 | 18.8 | 17.6 | 19.3 | 19.8 | 0.8186 | | Most probable pore size (nm) | 9.7 | 8.0 | 11.1 | 13.7 | 21.1 | 0.5371 | | Total pore area | 20.5 | 17.8 | 23.2 | 21.8 | 25.2 | 0.7358 |
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Note: values in italics indicate the highest correlation.
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