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

Table 1

Surface subsidence monitored data from Z29, Z3, Z41, Z44, Z45, Z47, Z50, and Z53.

Observation times	Observation date	Relative observation (time/d)	Subsidence (value/mm)
			Z29	Z37	Z41	Z44	Z45	Z47	Z50	Z53
1	2010/10/18	0	0	0	0	0	0	0	0	0
2	2010/12/27	69	0.006	0.006	0.006	0.005	0.005	0.006	0.003	0.004
3	2011/1/23	95	0.012	0.008	0.007	0.006	0.004	0.007	0.006	0.003
4	2011/3/2	134	0.020	0.018	0.017	0.014	0.010	0.011	0.009	0.010
5	2011/3/27	159	0.027	0.024	0.020	0.015	0.009	0.009	0.006	0.005
6	2011/4/27	189	0.066	0.074	0.055	0.039	0.030	0.026	0.013	0.008
7	2011/5/14	206	0.080	0.097	0.066	0.046	0.036	0.028	0.014	0.008
8	2011/6/2	224	0.104	0.126	0.100	0.071	0.058	0.047	0.026	0.014
9	2011/6/29	251	0.138	0.185	0.151	0.109	0.092	0.074	0.041	0.023
10	2011/7/27	279	0.153	0.227	0.189	0.137	0.119	0.092	0.043	0.024
11	2011/9/17	329	0.168	0.249	0.208	0.151	0.131	0.102	0.045	0.025
12	2011/10/14	356	0.241	0.394	0.371	0.296	0.265	0.211	0.133	0.080
13	2011/11/3	375	0.283	0.498	0.630	0.569	0.440	0.370	0.241	0.142
14	2012/1/14	446	0.305	0.619	0.717	0.713	0.687	0.630	0.489	0.333
15	2012/3/4	496	0.342	0.700	0.859	0.916	0.917	0.898	0.829	0.691
16	2012/4/5	527	0.364	0.735	0.919	1.003	1.015	1.018	1.005	0.926
17	2012/5/15	567	0.373	0.750	0.940	1.033	1.050	1.060	1.070	1.022
18	2012/6/25	607	0.383	0.765	0.960	1.063	1.085	1.103	1.136	1.119
19	2012/7/24	636	0.390	0.773	0.969	1.072	1.094	1.112	1.147	1.130