| 贵阳花溪苗圃二号大型连拱隧道数值计算 |
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| 引用本文： | 龚尔民.贵阳花溪苗圃二号大型连拱隧道数值计算[J].水运科技信息,2010(3):64-66. |
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| 作者姓名： | 龚尔民 |
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| 作者单位： | 贵州省交通规划勘察设计研究院,贵阳550001 |
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| 摘 要： | 使用Abaqus有限元软件对贵阳花溪苗圃二号隧道的施工方案进行施工模拟计算。通过使用一系列数值分析技术,例如应力释放等,在有限元中体现了新奥法的设计理念。并且从分析结果中揭示了部分连拱隧道的特点,通过与监测数据对比得到了一些有价值的结论。
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| 关 键 词： | 有限元模拟 新奥法 连拱隧道 应力释放 |
Numerical Calculation of the Second Double-arch Tunnel of Miaopu in Huaxi of Guiyang |
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| Gong Ermin.Numerical Calculation of the Second Double-arch Tunnel of Miaopu in Huaxi of Guiyang[J].Transportation Science & Technology,2010(3):64-66. |
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| Authors: | Gong Ermin |
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| Institution: | Gong Ermin(Guizhou Provincial Communications Planning Survey ＆ Design Institute,Guiyang 550001,China) |
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| Abstract: | The design methodology of NATM is almost dependent on the engineering analogy,and FEM simulation which is the most suitable analytical method still can＇t reflect the NATM＇s feature because of some technical difficulties. By the use of a series of modeling technology and numerical analysis in Abaqus,the features of NATM and double-arch tunnel were revealed. By the comparison with the monitoring data,some valuable conclusions have been obtained. |
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| Keywords: | finite element modelling the new Austrian tunneling method double-arch tunnel stress release |
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