Research Article

Experimental Analysis on Permeability Characteristics of Iron Tailings

Table 3

Comparison between measured values and predictive results of permeability coefficient using different formulas for disturbed 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)

8.00×10−40.042783.028.16×10−41.73×10−33.66×10−32.43×10−1
6.76×10−40.041272.506.59×10−41.55×10−33.41×10−32.08×10−1
6.52×10−40.026171.714.16×10−47.97×10−41.82×10−38.28×10−2
3.78×10−40.030192.102.82×10−46.45×10−41.37×10−38.35×10−2
7.60×10−50.005561.545.41×10−52.83×10−56.18×10−53.39×10−3
6.33×10−50.002381.311.93×10−55.76×10−61.13×10−57.63×10−4

6.43×10−50.002541.251.99×10−57.14×10−61.29×10−59.65×10−4
4.31×10−50.008320.965.02×10−59.05×10−51.38×10−41.25×10−2