Copula-Based Method for Estimating the Minimum Void Ratio Parameters of Tailings Deposits

Table 8

Forecasted data results.

Tailings sand samples	Maximum dry density	Fine grain content	Specific gravity	Minimum void ratio	Prediction of minimum void ratio	Error
Fine 0.25–0.3; Skeleton 1-2	1.56	74.69%	2.738	0.75513	0.7252	1.50%
	1.71	53.94%	2.757	0.61228	0.5989	0.67%
	1.73	48.57%	2.657	0.53584	0.569	-1.66%
	1.74	44.49%	2.737	0.57299	0.561	0.60%
	1.74	44.49%	2.756	0.58391	0.5613	1.13%
	1.6	70.46%	2.729	0.70562	0.6912	0.72%
Fine 0.15–0.25; Skeleton 1-2	1.56	73.38%	2.738	0.75513	0.7154	1.99%
	1.73	52.56%	2.718	0.5711	0.5911	-1.00%
	1.78	44.73%	2.764	0.55281	0.5621	-0.46%
	1.75	47.82%	2.817	0.60971	0.5737	1.80%
	1.74	50.39%	2.761	0.58678	0.5836	0.16%
	1.6	69.68%	2.772	0.7325	0.694	1.93%