深埋长大隧道围岩破坏能量释放数值模拟
Liaoning Gongcheng Jishu Daxue Xuebao (Ziran Kexue Ban)/Journal of Liaoning Technical University (Natural Science Edition)（2011）
Abstract
为了研究材料强度和支护条件下隧道变形破坏中能量转移规律,利用RFPA 计算软件,对深埋隧道变形破坏特征进行分析,从能量释放的角度分析隧道变形破坏发生机理,通过数值计算探寻深埋隧道开挖过程中围岩积聚的弹性能量随材料强度和支护强度的变化规律,由此得到了深埋隧道围岩变形破坏及可能诱发的动力灾害预测分析方法,为深埋隧道的合理开挖和安全支护提供参考依据.
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Key words
Deep depth tunnel,Dynamic disaster,Energy level calculation,Level calculation,Numerical simulation,RFPA,Rock burst,Strength of material,Supporting strength
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