Research Article
Study on Permeability of Steel Slag and Steel Slag Modifying Silt Soil as New Geo-Backfill Materials
Table 7
Permeability coefficients of three kinds of steel slag at standard temperature.
| Material | Number | (%) | e | (cm/s) | T (°C) | | (cm/s) |
| Fine steel slag | 1 | 22 | 0.493 | 7.839 × 10−3 | 28.2 | 0.833 | 6.53 × 10−3 | 2 | 30 | 0.532 | 8.182 × 10−3 | 30.8 | 0.781 | 6.39 × 10−3 | 3 | 45 | 0.615 | 6.376 × 10−3 | 29.8 | 0.798 | 5.08 × 10−3 | 4 | 47 | 0.625 | 4.610 × 10−3 | 28.2 | 0.833 | 3.84 × 10−3 | 5 | 66 | 0.690 | 4.034 × 10−3 | 28.0 | 0.833 | 3.36 × 10−3 | 6 | 75 | 0.724 | 3.821 × 10−3 | 29.5 | 0.806 | 3.08 × 10−3 | Coarse steel slag | 1 | 9 | 0.567 | 8.9 × 10−2 | 32.0 | 0.765 | 6.81 × 10−2 | 2 | 33 | 0.605 | 7.4 × 10−2 | 28.1 | 0.833 | 6.16 × 10−2 | 3 | 47 | 0.635 | 7.073 × 10−2 | 28.2 | 0.833 | 5.89 × 10−2 | 4 | 53 | 0.661 | 4.66 × 10−2 | 17.0 | 1.077 | 5.02 × 10−2 | 5 | 60 | 0.720 | 3.2 × 10−2 | 18.0 | 1.050 | 3.36 × 10−2 | 6 | 69 | 0.824 | 3.05 × 10−2 | 18.2 | 1.050 | 3.20 × 10−2 | Gravel steel slag | 1 | 38 | 0.422 | 2.77 × 10−2 | 18.0 | 1.050 | 2.91 × 10−2 | 2 | 50 | 0.482 | 2.38 × 10−2 | 18.8 | 1.025 | 2.44 × 10−2 | 3 | 56 | 0.510 | 1.61 × 10−2 | 17.0 | 1.077 | 1.72 × 10−2 | 4 | 68 | 0.592 | 6.4 × 10−3 | 18.0 | 1.050 | 6.72 × 10−3 | 5 | 72 | 0.620 | 0.99 × 10−4 | 18.8 | 1.025 | 1.01 × 10−4 | 6 | 78 | 0.715 | 6.80 × 10−5 | 18.0 | 1.050 | 7.20 × 10−5 |
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