A New Dynamic Prediction Model for Underground Mining Subsidence Based on Inverse Function of Unstable Creep

Table 3

Error of monitored and predicted values.

Monitoring points	Improved model		Knothe model
	m (mm)	f (%)	m (mm)	f (%)
Z29	13	3.3	66	16.8
Z37	24	3.1	158	20.4
Z41	48	4.9	222	22.9
Z44	76	6.3	259	24.1
Z45	62	5.6	270	24.6
Z47	72	6.4	280	25.2
Z50	63	5.5	289	25.2
Z53	64	4.8	288	25.5
Average value	53	4.9	229	23.1