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

Article of the Year Award: Outstanding research contributions of 2020, as selected by our Chief Editors. Read the winning articles.