Research Article
Calculation Methods for the Permeability Coefficient of Concrete Face Rockfill Dam with Cracks
Table 4
Calculation conditions and results of the finite element algorithm.
| | Test | Permeability coefficient (m/s) | Calculated seepage discharge (L/s) | | Concrete slab | Cushion | Transition layer | Major rockfill |
| | 1 | 1 × 10−11 | 1 × 10−6 | 1 × 10−4 | 0.0001 | 2.63 | | 2 | 1 × 10−11 | 3.5 × 10−6 | 3.5 × 10−4 | 0.0005 | 2.91 | | 3 | 1 × 10−11 | 6 × 10−6 | 6 × 10−4 | 0.001 | 2.95 | | 4 | 1 × 10−11 | 8.5 × 10−6 | 8.5 × 10−4 | 0.005 | 3.01 | | 5 | 1 × 10−11 | 1 × 10−5 | 1 × 10−3 | 0.01 | 3.04 | | 6 | 6 × 10−11 | 1 × 10−6 | 3.5 × 10−4 | 0.001 | 2.92 | | 7 | 6 × 10−11 | 3.5 × 10−6 | 6 × 10−4 | 0.005 | 3.01 | | 8 | 6 × 10−11 | 6 × 10−6 | 8.5 × 10−4 | 0.01 | 3.05 | | 9 | 6 × 10−11 | 8.5 × 10−6 | 1 × 10−3 | 0.0001 | 2.68 | | 10 | 6 × 10−11 | 1 × 10−5 | 1 × 10−4 | 0.0005 | 2.93 | | 11 | 1 × 10−11 | 1 × 10−6 | 6 × 10−4 | 0.01 | 3.02 | | 12 | 1 × 10−10 | 3.5 × 10−6 | 8.5 × 10−4 | 0.0001 | 2.68 | | 13 | 1 × 10−10 | 6 × 10−6 | 1 × 10−3 | 0.0005 | 2.94 | | 14 | 1 × 10−10 | 8.5 × 10−6 | 1 × 10−4 | 0.001 | 2.98 | | 15 | 1 × 10−10 | 1 × 10−5 | 3.5 × 10−4 | 0.005 | 3.04 | | 16 | 5.5 × 10−10 | 1 × 10−6 | 8.5 × 10−4 | 0.0005 | 2.91 | | 17 | 5.5 × 10−10 | 3.5 × 10−6 | 1 × 10−3 | 0.001 | 2.98 | | 18 | 5.5 × 10−10 | 6 × 10−6 | 1 × 10−4 | 0.005 | 3.05 | | 19 | 5.5 × 10−10 | 8.5 × 10−6 | 3.5 × 10−4 | 0.01 | 3.08 | | 20 | 5.5 × 10−10 | 1 × 10−5 | 6 × 10−4 | 0.0001 | 2.7 | | 21 | 1 × 10−9 | 1 × 10−6 | 1 × 10−3 | 0.005 | 3.01 | | 22 | 1 × 10−9 | 3.5 × 10−6 | 1 × 10−4 | 0.01 | 3.07 | | 23 | 1 × 10−9 | 6 × 10−6 | 3.5 × 10−4 | 0.0001 | 2.70 | | 24 | 1 × 10−9 | 8.5 × 10−6 | 6 × 10−4 | 0.0005 | 2.96 | | 25 | 1 × 10−9 | 1 × 10−5 | 8.5 × 10−4 | 0.001 | 3.00 |
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