The Mechanical and Fracturing of Rockburst in Tunnel and Its Acoustic Emission Characteristics

Table 4

Mechanical response characteristics of rock blasting process.

Horizontal stress (MPa)	Vertical stress; (MPa)	Average vertical stress (MPa)	(°)	Average (°)	(MPa)	Average  (MPa)	(°)	(MPa)	(MPa)
4.44	100.62	98.80	87.47	87.41	100.72	98.90	45.94	68.78	72.38
	86.31		87.05		86.43
	101.20		87.48		101.30
	107.07		87.62		107.16
8.89	107.64	107.71	85.28	85.28	108.01	108.08	76.42	76.42	45.00
	109.78		85.37		110.14
	111.47		85.44		111.82
	101.96		85.02		102.35
13.33	108.44	110.79	82.99	83.14	109.26	111.59	81.41	76.32	43.15
	109.78		83.07		110.58
	111.47		83.18		112.26
	101.96		82.55		102.82