Study on Deformation and Fracture Evolution of Underground Reservoir Coal Pillar Dam under Different Mining Conditions

Table 2

Simulation results.

Test	Development range of the plastic zone/m	Maximum vertical stress/MPa	Vertical deformation/m
1	11.0	45.57	0.63
2	12.0	39.76	0.61
3	15.0	38.21	0.54
4	12.5	36.24	0.53
5	13.5	51.67	0.81
6	12.5	43.06	0.75
7	15.0	42.88	0.82
8	19.0	43.56	0.78
9	18.0	51.16	0.80
10	14.5	53.30	0.72
11	13.5	46.11	1.23
12	16.5	43.61	1.20
13	16.5	58.87	1.05
14	21.0	54.29	1.11
15	19.0	48.93	0.98
16	21.5	41.75	1.25