Research Article
Runoff Purification Effects of Permeable Concrete Modified by Diatomite and Zeolite Powder
Table 6
Mix proportion of permeable concrete.
| | Specimen nos. | Raw material dosage (kg/m3) | | Cementitious materials | Coarse aggregate size | Water | Water reducer | | Cement | Diatomite (modified diatomite) | Zeolite powder | 9.5 | 4.75 | 2.36 |
| | 0 | 375.9 | 0 | 0 | 105.5 | 1176.7 | 140.6 | 108.2 | 7.5 | | 1 | 338.3 | 37.6 | 0 | 105.5 | 1176.7 | 140.6 | 108.2 | 7.5 | | 2 | 327.0 | 37.6 | 11.3 | 105.5 | 1176.7 | 140.6 | 108.2 | 7.5 | | 3 | 319.5 | 37.6 | 18.8 | 105.5 | 1176.7 | 140.6 | 108.2 | 7.5 | | 4 | 300.7 | 75.2 | 0 | 105.5 | 1176.7 | 140.6 | 108.2 | 7.5 | | 5 | 289.4 | 75.2 | 11.3 | 105.5 | 1176.7 | 140.6 | 108.2 | 7.5 | | 6 | 281.9 | 75.2 | 18.8 | 105.5 | 1176.7 | 140.6 | 108.2 | 7.5 |
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The dosage of diatomite (modified diatomite) and zeolite powder are calculated according to the percentage of cement mass.
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