Application of Grey Deformation Prediction Model Optimized by Double Coefficient for Tailings Dam

Table 2

Monitoring data at points 01–06.

Monitoring content	Monitoring point	Monitoring period/day
		4	8	12	16	20	24	28	32	36
		Monitoring stage
		1	2	3	4	5	6	7	8	9
Vertical deformation/mm	SZY-01	7.4	11.2	11.9	13.2	14.0	14.6	15.0	15.6	16.5
	SZY-02	6.5	9.8	10.4	11.6	12.3	12.8	13.2	13.7	14.5
	SZY-03	6.5	9.3	9.9	11.0	11.7	12.2	12.5	13.0	13.8
	SZY-04	7.8	11.8	12.5	13.9	14.8	15.4	15.8	16.4	17.4
	SZY-05	6.8	10.3	10.9	12.2	12.9	13.4	13.9	14.4	15.3
	SZY-06	5.9	8.8	9.4	10.4	11.1	11.5	11.9	12.3	13.1
Transverse deformation/mm	CXY-01	4.3	9.9	11.8	13.3	15.5	16.8	17.9	19.8	21.6
	CXY-02	2.3	9.9	11.2	12.7	14.4	16.6	18.8	20.5	23.2
	CXY-03	4.7	10.9	13.0	14.6	17.1	18.5	19.7	21.8	24.0
	CXY-04	2.8	11.9	13.4	15.2	17.3	19.9	22.6	24.6	28.0
	CXY-05	3.4	7.9	9.4	10.6	12.4	13.4	14.3	15.8	17.4
	CXY-06	2.1	8.9	10.1	11.4	13.0	14.9	16.9	18.5	21.1
Seepage pressure/kPa	SYJ-01	53.50	78.99	94.80	89.70	82.05	77.97	75.42	70.33	64.17
	SYJ-02	61.28	69.95	82.50	69.44	66.89	64.34	59.75	56.69	50.14
	SYJ-03	58.85	86.89	104.28	98.67	90.26	85.77	82.96	77.36	70.59
	SYJ-04	73.54	83.94	99.00	83.33	80.27	77.21	71.70	68.03	60.34
	SYJ-05	42.80	63.19	75.84	71.76	65.64	62.38	60.34	56.26	51.44
	SYJ-06	55.15	62.96	74.25	62.50	60.20	57.91	53.78	51.02	44.93