Research Article
Experimental Analysis on Permeability Characteristics of Iron Tailings
Table 2
Comparison between measured values and predictive results of permeability coefficient using different formulas for undisturbed iron tailings.
| | Measured value (cm/s) | (mm) | | Calculated value by formula (10) (cm/s) | Calculated value by Terzaghi formula (cm/s) | Calculated value by Hazen formula (cm/s) | Calculated value by Kozeny formula (cm/s) |
| | 7.00×10−4 | 0.04278 | 3.02 | 7.11×10−4 | 1.54×10−3 | 3.66×10−3 | 2.08×10−1 | | 5.16×10−4 | 0.04127 | 2.50 | 5.68×10−4 | 1.35×10−3 | 3.41×10−3 | 1.73×10−1 | | 2.58×10−4 | 0.02617 | 1.71 | 2.46×10−4 | 5.72×10−4 | 1.37×10−3 | 7.14×10−2 | | 4.92×10−4 | 0.03019 | 2.10 | 3.49×10−4 | 6.56×10−4 | 1.82×10−3 | 6.42×10−2 | | 2.40×10−5 | 0.00556 | 1.54 | 4.70×10−5 | 2.50×10−5 | 6.18×10−5 | 2.89×10−3 | | 2.29×10−5 | 0.00238 | 1.31 | 1.71×10−5 | 5.29×10−6 | 1.13×10−5 | 6.83×10−4 |
| | 2.28×10−5 | 0.00254 | 1.25 | 1.74×10−5 | 6.39×10−6 | 1.29×10−5 | 8.37×10−4 | | 1.21×10−5 | 0.00832 | 0.96 | 4.40×10−5 | 8.14×10−5 | 1.38×10−4 | 1.10×10−2 |
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