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根据岩石流变学原理 ,对软岩巷道围岩破坏机理进行定性地分析 ,运用Burgers流变模型引入损伤变量 ,对圆形巷道粘弹性流变破坏规律进行定量的研究 ,提出了软岩巷道合理支护时间的确定方法
According to the principle of rock rheology, the failure mechanism of surrounding rock of soft rock roadway is analyzed qualitatively. The Burgers rheological model is used to introduce the damage variable and quantitatively study the viscoelastic rheological failure of circular tunnel. The reasonable soft rock roadway is reasonable Support time to determine the method