...变而引起的失效 疲劳失效(Failure by Fatigue): 由于交变应力的作用,初始裂纹不断扩展引起脆性断裂 蠕变失效(Failure by Creep): 在一定温度和应力下,应变随着时间的增加而增加,最终 导致构件失效 松弛失效(Failure by Relaxation): 在一定温度下,应变保...
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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。
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