Research Article
Application of a Bentonite Slurry Modified by Polyvinyl Alcohol in the Cutoff of a Landfill
Table 8
Permeability coefficient under different curing periods.
| | No. | 7 d (10−8 cm/s) | 14 d (10−8 cm/s) | 21 d (10−8 cm/s) | 28 d (10−8 cm/s) | 35 d (10−8 cm/s) | 42 d (10−8 cm/s) | 49 d (10−8 cm/s) | 56 d (10−8 cm/s) |
| | A0 | 115.3 | 47.1 | 35.7 | 20.3 | 20.3 | 20.3 | 20.3 | 19.5 | | A1 | 106.2 | 45.1 | 26.1 | 10.7 | 10.7 | 10.6 | 10.6 | 9.6 | | A2 | 90.5 | 30.3 | 15.6 | 2.4 | 2.3 | 2.3 | 2.3 | 2.3 | | A3 | 85.4 | 15.7 | 6.8 | 0.7 | 0.6 | 0.6 | 0.5 | 0.5 | | A4 | 90.3 | 10.3 | 4.3 | 2.6 | 2.5 | 2.4 | 2.4 | 2.4 |
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