Surface Subsidence Control during Deep Backfill Coal Mining: A Case Study

Table 5

Maximum surface movement and maximum deformation.

Village	Surface subsidence (mm)	Horizontal movement (mm)		Horizontal deformation (mm/m)		Inclined deformation (mm/m)
		South-north direction	East-west direction	South-north direction	East-west direction	South-north direction	East-west direction
Limiao village and Fengtai village	392	172	160	0.38/−0.47	0.30/−0.37	0.84	0.67
Sunjia village and Wujia village	385	163	157	0.47/−0.50	0.45/−0.57	0.76	0.61
Fenghuangtai	281	118	114	0.21/−0.33	0.24/−0.33	0.61	0.43
Limiao new district	159	101	95	0.17/−0.32	0.27/−0.30	0.34	0.55
Limiao elementary school	112	73	64	0.41/−0.33	<0.1	0.53	0.24
Huangjing village	27	32	<10	0.25/−0.18	<0.1	0.16	<0.1
Qudui office building	0	0	0	0	0	0	0
1 dormitory	0	16	0	0.09/0	0	0	0
2 dormitory	0	0	0	0	0	0	0
Electrical substation	0	0	0	0	0	0	0
Canteen	13	24	0	0.17/0	0	0	0
Maximum value	394	175	167	0.46/−0.72	0.41/−0.65	0.86	0.84