| 特大跨度公路隧道支护结构稳定性分析 |
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| 引用本文： | 贾艳领,张臻,许东.特大跨度公路隧道支护结构稳定性分析[J].西部交通科技,2014(5):39-43. |
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| 作者姓名： | 贾艳领 张臻 许东 |
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| 作者单位： | [1]广西交通科学研究院,广西南宁530007 [2]陕西省公路勘察设计院,陕西西安710068 [3]广州地铁设计研究院有限公司,广东广州510010 |
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| 基金项目： | 广西科学研究与技术开发计划项目-交通安全关键技术的研究与示范“隧道改扩建关键技术研究”（桂科攻1355008-3） |
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| 摘 要： | 文章依托一单洞四车道公路隧道工程,采用有限元软件ANSYS,对特大跨度公路隧道施工中各个施工步骤的力学行为进行了数值模拟分析,评判围岩与支护结构在各个阶段的安全性与稳定性,并提出了设计与施工过程中应注意的问题。
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| 关 键 词： | 特大跨度公路隧道 支护结构 数值模拟 稳定性分析 |
Analysis on Supporting Structural Stability of Large-span Highway Tunnel |
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| JIA Yan-ling,ZHANG Zhen,XU Dong.Analysis on Supporting Structural Stability of Large-span Highway Tunnel[J].Western China Communication Science & Technology,2014(5):39-43. |
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| Authors: | JIA Yan-ling ZHANG Zhen XU Dong |
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| Institution: | 1. Guangxi Transportation Research Institute, Naming, Guangxi, 530007; 2 Shaanxi Provincial Highway Survey and Design Institute, Xi ＇an, Shaanxi, 710068; 3. Guangzhou Metro Design ＆ Research Institute Co., Ltd., Guangzhou, Guangdong, 510010) |
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| Abstract: | Relying on a single-hole four-lane highway tunnel project, by using the finite element software ANSYS,this article conducted the numerical simulation analysis on the mechanical behavior of various construction steps in large-span highway tunnel construction, evaluated and determined the safety and stability of surrounding rock and supporting structural in various stages,and proposed the problems to be noted during the design and construction process. |
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| Keywords: | Large-span highway tunnel Supporting structure Numerical simulation Stability analysis |
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