Research Article
Optimum Design and Performance of Porous Concrete for Heavy-Load Traffic Pavement in Cold and Heavy Rainfall Region of NE China
Table 7
Test results of specimen with 150 mm × 150 mm × 400 mm.
| Goal porosity (%) | Flexural tension experiment | Antifreeze experiment | Curing period (d) | Connected porosity (%) | Curing period (d) | Connected porosity (%) | Connected porosity (%) |
| 15 | 7 | 17.3 | 28 | 16.4 | 14.8 | 15.8 | 17.0 | 15.8 | 14.4 | 14.9 | 18.3 | 20 | 7 | 23.3 | 28 | 21.9 | 21.2 | 21.5 | 21.7 | 22.8 | 19.1 | 23.5 | 23.1 | 25 | 7 | 26.1 | 28 | 26.4 | 27.3 | 26.4 | 27.8 | 25.3 | 25.6 | 24.9 | 24.9 | 30 | 7 | 30.6 | 28 | 31.9 | 31.3 | 29.0 | 31.3 | 29.5 | 32.0 | 32.0 | 32.0 |
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