| 铁路隧道松散破碎围岩塌方数值模拟分析 |
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| 引用本文： | 肖志强.铁路隧道松散破碎围岩塌方数值模拟分析[J].铁道建筑技术,2012(8):73-76. |
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| 作者姓名： | 肖志强 |
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| 作者单位： | 中国中铁六局集团有限公司,北京,100036 |
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| 摘 要： | 运用二维离散元程序UDEC3.1软件,对3种不同顶板岩性组合模型进行数值模拟,再现了隧道顶板岩层离层、弯曲、沉降、开裂直至塌方的全过程,分析了松散破碎围岩隧道塌方后围岩的位移、应力和塑性区分布特征。
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| 关 键 词： | 铁路隧道 松散破碎 防塌 数值模拟 |
Numerical analysis on Slough Controlling Technique for Loose and Broken Surrounding Rock in Railway Tunnel |
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| Xiao Zhiqiang.Numerical analysis on Slough Controlling Technique for Loose and Broken Surrounding Rock in Railway Tunnel[J].Railway Construction Technology,2012(8):73-76. |
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| Authors: | Xiao Zhiqiang |
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| Institution: | Xiao Zhiqiang(China Railway 6th Bureau Group Co.Ltd.,Beijing 100036,China) |
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| Abstract: | Three different lithology association modes are numerical simulated with UDEC3.1 procedures,which reconstructs the overall process from absciss layer,bend,sedimentation,craze,untill to falling of roof strata.This paper also analysis the displacement,stress,and plastic area distribution of deep soft railway. |
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| Keywords: | railway tunnel loose breaking anti-sloughing numerical simulation |
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