The proposed instabilitycriterion can be used to analyze the instability of coal pillar, i. e. coal pillar rock burst.
建议的失稳判据，可以用来分析煤柱的不稳定，即煤柱岩爆。
2
The instabilitycriterion due to shear localization in rock specimen system composed of shear band and elastic rock outside the band is studied.
由于剪切定位在岩样剪切带内和带外弹性岩石组成的系统的失稳判据研究。
3
According to diffuse instabilitycriterion, worked out the principle of verdicting the case of base fracture or side fracture and formulae of fracture limit BHF;