Research Article
Runoff Purification Effects of Permeable Concrete Modified by Diatomite and Zeolite Powder
Table 7
Evaluation indexes for gray correlation analysis.
| | Number | Effective porosity (%) | Compressive strength (MPa) | General purification effect (%) |
| | Y0 | 25.60 | 21.60 | 69.78 | | Y1 (control) | 20.70 | 13.40 | 26.63 | | Y2 (A-1) | 21.60 | 21.60 | 39.68 | | Y3 (A-2) | 23.60 | 19.60 | 57.96 | | Y4 (A-3) | 25.20 | 14.80 | 63.01 | | Y5 (A-4) | 22.60 | 20.40 | 42.85 | | Y6 (A-5) | 24.70 | 17.40 | 58.62 | | Y7 (A-6) | 33.20 | 13.60 | 66.92 | | Y8 (B-1) | 22.80 | 18.40 | 48.23 | | Y9 (B-2) | 25.60 | 17.80 | 68.98 | | Y10 (B-3) | 27.70 | 13.40 | 69.19 | | Y11 (B-4) | 23.30 | 17.60 | 57.35 | | Y12 (B-5) | 25.90 | 15.00 | 71.35 | | Y13 (B-6) | 33.60 | 12.60 | 69.78 |
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