Height of Mining-Induced Fractured Zones in Overlying Strata and Permeability of Rock with Nonpenetrative Fractures

Table 5

Top boundary depths and heights of the NFZ in boreholes.

Boreholes	Top boundary depths of the NFZ (m)					Heights of the NFZ (m)
	DCA	DFLM	VCO	FPT	Results	DCA	DFLM	VCO	FPT	Results
JE1	143.93	143.73	143.79	143.7	143.7	18.00	18.20	18.14	18.23	18.23
JE2	—	187.99	—	187.96	187.96	—	11.52	—	11.55	11.55
JE3	137.43	137.41	137.45	137.42	137.41	18.80	18.82	18.78	18.81	18.82
JE4	182.04	182.1	182.04	182.31	182.04	12.09	12.03	12.09	11.82	12.09
JE5	—	—	—	—	—	0	0	0	0	0
JE6	—	—	—	—	—	0	0	0	0	0
JE7	167.8	167.73	167.75	167.73	167.73	14.35	14.42	14.40	14.42	14.42
JE8	—	135.15	—	135.11	135.11	—	20.00	—	20.04	20.04
JE9	—	120.51	120.68	120.61	120.51	—	21.20	21.03	21.10	21.20