Mechanism and Control of Cable Breakage in a Roadway with Thick Top Coal in a Rockburst Mine

Table 1

Initial ground stress of Xingcun coal mine.

		Maximum principal stress			Intermediate principal stress			Minimum principal stress
Measuring point	Depth (m)	Value (MPa)	Direction (°)	Inclination (°)	Value (MPa)	Direction (°)	Inclination (°)	Value (MPa)	Direction (°)	Inclination (°)
No. 1	−1186	68.46	152.86	8.35	49.63	−115.07	13.86	35.23	−147.35	−73.73
No. 2	−1156	68.65	153.87	10.26	54.69	65.57	7.16	34.92	121.25	−77.44