Dynamic Response Analysis of Roadway Surrounding Rock Induced by Dynamic Load under the Action of Hard and Thick Rock Stratum

Table 3

Dynamic response of surrounding rock of roadway with different seismic focus height under the condition of solid coal on both sides.

Seismic focus height		Dynamic response
		Peak value of vertical stress/MPa	Peak value of horizontal stress/MPa	Deformation of surrounding rock/mm	Deformation velocity/m/s	Deformation acceleration/m/s^2
113 m	Outer side	14.02	4.62	21.05	1.53	404
	Inner side	19.36	7.42	27.28	1.54	887.07
	Roof	4.89	20.62	10.58	1.33	261
	Floor	2.13	6.25	0.25	0.19	94
90 m	Outer side	13.77	4.49	28.67	1.09	346.02
	Inner side	20.02	7.52	46.24	1.53	760.31
	Roof	8.03	35.95	20.25	0.96	382.94
	Floor	2.51	6.78	0.81	0.27	180.49
70 m	Outer side	13.37	4.32	29.48	0.966	646.18
	Inner side	19.16	7.34	54.91	1.95	783.97
	Roof	7.20	25.2	15.28	1.31	339.99
	Floor	2.48	6.64	0.96	1.01	213.98
50 m	Outer side	14.19	4.88	51.73	2.19	910
	Inner side	19.06	7.44	115.17	2.58	2344.1
	Roof	6.56	44.77	16.1	1.41	601.85
	Floor	3.46	7.82	1.82	0.57	474.55