| 通透肋式拱梁隧道变形机理及力学特征分析 |
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| 引用本文： | 张敏,巨能攀.通透肋式拱梁隧道变形机理及力学特征分析[J].铁道工程学报,2011(6):47-51,97. |
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| 作者姓名： | 张敏 巨能攀 |
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| 作者单位： | 1. 中铁二院工程集团有限责任公司,成都,610031
2. 成都理工大学,成都,610059 |
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| 摘 要： | 研究目的:基于对浅埋傍山隧道稳定性控制因素及传统设计方案的分析,提出一种全新的隧道结构型式——通透肋式拱梁隧道。研究和掌握通透肋式拱梁隧道变形机理及其力学特征,了解隧道进洞开挖过程中坡体及围岩的变形发展趋势,为其工程防治措施提供依据。研究结论:结合工程实际,对通透肋式拱梁隧道设计原理和结构特征进行分析,在岩体结构及坡体结构特征研究的基础上,结合隧道进洞过程中产生的变形破坏迹象,阐述了隧道的变形破坏机理;采用数值模拟手段,对隧道围岩-支护结构相互作用力学特征进行了分析研究,结果表明,两者协调作用良好,但对应力集中部位应加强支护强度。
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| 关 键 词： | 通透肋式拱梁隧道 设计原理 变形破坏机理 数值模拟 |
Surrounding Rock-Supporting Structure Mechanics Analysis of Permeable Tunnel With Ribbed Arch Beam |
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| ZHANG Min,JU Neng-pan.Surrounding Rock-Supporting Structure Mechanics Analysis of Permeable Tunnel With Ribbed Arch Beam[J].Journal of Railway Engineering Society,2011(6):47-51,97. |
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| Authors: | ZHANG Min JU Neng-pan |
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| Institution: | ZHANG Min1,JU Neng-pan2 (1.China Railway Eryuan Engineering Group Co.Ltd,Chengdu,Sichuan 610031,China,2.Chengdu University of Technology,Sichuan 610059,China) |
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| Abstract: | Research purposes:Based on the analyses of stability control factors of shallow-buried tunnel adjacent to mountain and the disadvantage of traditional design scheme,a new type of tunnel structure,permeable tunnel with ribbed arch beam,is presented.Researching the way for knowing the deformation mechanism and mechanical characteristics of permeable tunnel with ribbed arch beam can make the development trend of rock-slope mass during excavating.It can provide the basis for taking the preventive measures. Rese... |
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| Keywords: | permeable tunnel with ribbed arch beam design principle deformation failure mechanism numerical simulation method |
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