Stress and energy criterion of the roadway destruction subjected to disturbance type rock burst and its practice

This paper aims at studying on the destruction mechanism of seismic source disturbance rock burst. The me- chanical analysis model for the destruction of roadway surrounding rock subjected to seismic source disturbance rock burst was established. The stress criterion and energy principle for the destruction of support structure of surrounding rocks under the additive effects of static load and dynamic load was deduced. Based on the mechanical model and its mechanism analysis,the method of setting weak structure to attenuate wave and absorb energy for preventing rock burst was put forward,and the mechanism of the wave attenuation and energy absorption of weak structure was theoretically analyzed. Finally,through engineering examples,the authors designed the support parameters of impact coal-mass by energy guideline,which showed that the theoretical research results were successfully applied.