Theoretical analysis shows that the progressive failure of the surrounding rock of opening is mainly caused by strength attenuation and creep mass.
理论分析说明，巷道围岩的渐进破坏主要是岩体强度衰减和蠕变性质影响的结果。
The relationship of creep void and creep failure is very close. Predicting service life by creep void is quite reliable.
蠕变孔洞与蠕变失效的关系非常密切，以蠕变孔洞预测使用寿命是可靠的。
Finally, creep failure mechanism of surrounding rock in deep mining is analyzed by stress difference theory.
并利用应力差理论分析了深部巷道围岩的蠕变破坏机理。
Large samples uniaxial compressive creep test indicates, the flow deformation and failure of SLATE is controlled by its structure plane.
大试件单轴蠕变实验表明，板岩流动变形破坏受结构面控制。
Large samples uniaxial compressive creep test indicates, the flow deformation and failure of SLATE is controlled by its structure plane.
大试件单轴蠕变实验表明，板岩流动变形破坏受结构面控制。
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