Permeability Prediction of Iron Tailings Including Degree of Compaction and Structure

Table 1

The measured permeability and calculated permeability of the disturbed tailings.

Number	n	nsilt	nclay	d20 (μm)	Measured permeability (cm/s)	Calculated permeability (cm/s)	Ratio
2-1	0.3955	—	—	74.17	8.80 × 10^−4	7.96 × 10^−4	0.90
2-2	0.4076	—	—	59.73	6.33 × 10^−4	5.65 × 10^−4	0.89
2-3	0.3980	—	—	59.73	6.52 × 10^−4	5.26 × 10^−4	0.81
2-4	0.4146	0.4703	—	15.66	2.43 × 10^−5	1.69 × 10^−5	0.69
2-5	0.2990	—	0.7234	7.91	6.33 × 10^−5	5.54197 × 10^−5	0.88

Ratio = calculated permeability ÷ measured permeability.