| 深埋长大隧道围岩破坏能量释放数值模拟 |
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| 引用本文： | 于海军,陈智强,姜春雨.深埋长大隧道围岩破坏能量释放数值模拟[J].辽宁工程技术大学学报(自然科学版),2011,30(5):657-661. |
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| 作者姓名： | 于海军 陈智强 姜春雨 |
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| 作者单位： | 1. 辽宁工程技术大学,力学与工程学院,辽宁,阜新,123000
2. 重庆大学,土木工程学院,重庆,400030 |
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| 基金项目： | 国家自然科学基金资助项目(51004061) |
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| 摘 要： | 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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| 关 键 词： | 能级计算 深埋隧道 岩爆 RFPA 材料强度 支护强度 数值模拟 动力灾害 |
Energy release numerical simulation during the surrounding rock of deep,long and wide tunnel failure process |
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| YU Haijun,CHEN Zhiqiang,JIANG Chunyu.Energy release numerical simulation during the surrounding rock of deep,long and wide tunnel failure process[J].Journal of Liaoning Technical University (Natural Science Edition),2011,30(5):657-661. |
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| Authors: | YU Haijun CHEN Zhiqiang JIANG Chunyu |
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| Institution: | YU Haijun1,CHEN Zhiqiang2,JIANG Chunyu1(1.School of Mechanics and Engineer,Liaoning Technical University,Fuxin 123000,China 2.Civil Engineering of Chongqing University,Chongqing 400030,China) |
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| Abstract: | Researched the law of energy transfer when the tunnel deformation and failure considering supporting conditions and material strength.Using RFPA software calculated deformation and failure characteristics of deep burying tunnel,Analysed mechanism of deformation and failure of the tunnel from the point of view of energy release,explored the law of elastic energy accumulation with the strength of material and supporting strength changing by numerical calculation.For the study of deep tunnel rock deformation a... |
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| Keywords: | energy level calculation deep depth tunnel rock burst RFPA level calculation strength of material supporting strength numerical simulation dynamic disaster |
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