Research on Evaluation Index and Application of Rockburst Risk in Deep Strip Mining

Table 3

Rockburst risk evaluation results of 3202 panel.

Classification	Index	Value	Evaluation conclusion
Traditional rockburst tendency identification test	Dynamic failure time, DT (ms)	56	Weak rockburst tendency
	Impact energy index,	5.32	Strong rockburst tendency
	Elastic energy index,	4.65	Weak rockburst tendency
	Uniaxial compressive strength, (MPa)	13.5	Weak rockburst tendency
Theoretical calculation results in this paper		0.207	Strong rockburst tendency
		38.45%	Medium rockburst tendency
Numerical simulation results in this paper		36.7%	Medium rockburst tendency
		0.837	Strong rockburst tendency