| 小净距隧道洞周变形特征数值分析 |
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| 引用本文： | 郑尚峰,杨其新.小净距隧道洞周变形特征数值分析[J].广东公路交通,2008(4):43-45. |
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| 作者姓名： | 郑尚峰 杨其新 |
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| 作者单位： | 西南交通大学土木工程学院,成都,610031 |
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| 摘 要： | 采用二维弹塑性数值计算方法，对小净距隧道拱顶位移、水平收敛进行数值模拟计算，研究围岩级别、净距、开挖方法对隧道变形的影响，揭示小净距隧道洞周变形特征。研究结论可为小净距隧道的设计、施工提供一定的指导。
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| 关 键 词： | 隧道工程 小净距隧道 数值模拟 弹塑性 |
Characteristic Value Analysis on Circumference Deforming of Small Net Span Tunnel |
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| ZHENG Shang-feng,YANG Qi-xin.Characteristic Value Analysis on Circumference Deforming of Small Net Span Tunnel[J].Guangdong Highway Communications,2008(4):43-45. |
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| Authors: | ZHENG Shang-feng YANG Qi-xin |
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| Institution: | ZHENG Shang - feng , YANG Qi - xin ( School of Civil Engineering, Southwest Jiaotong University, Sichuan Province ,Chengdu 610031, China ) |
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| Abstract: | Applying 2-D Elasto-plastic numerical calculation method and calculationning with numerical simulation for vault crown settlement and horizontal convergence,this paper studies the effects of rock classification,spacing,excavation method for deformation of tunnel and discloses deformation behavior of tunnels with small spacing.The result of the study provides guidance for design and construction of tunnels with small spacing. |
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| Keywords: | Tunneling engineering Tunnels with small spacing Numerical Simulation Elasto-plastic |
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