Research Article
The Permeable Character of CSG Dams and Their Seepage Fields
Table 2
Test values regarding the antipermeability coefficient of CSG materials.
| | Curing age (d) | Permeability coefficient (cm/s) | Specimen size (mm) | Specimen grading |
| | Experiment 1 [14] | 28 | 1.86 × 10−8 | φ450 × 450 | Full grading with maximum particle size of 40 mm | | Experiment 2 [15] | | 4.66 × 10−6~8.95 × 10−5 | | | | Experiment 3 [16] | 43 | 2.82 × 10−8 | 300 × 300 × 300 | Wet-screened-out particles with size larger than 100 mm | | 3.42 × 10−8 | φ450 × 450 | | Experiment 4 [7] | 43 | 2.66 × 10−8~5.08 × 10−8 | 300 × 300 × 300 | Wet-screened-out particles with size larger than 100 mm | | 2.34 × 10−8~4.89 × 10−8 | φ430 × 440 | Full grading with maximum particle size of 150 mm | | Experiment 5 [17] | 28 | 3.13 × 10−8 (abnormal CSG) | 450 × 450 × 450 | Full grading with maximum particle size of 250 mm |
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