| 特大断面隧道平交段稳定性分析及安全控制 |
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| 引用本文： | 王建,黄鹏,朱明明.特大断面隧道平交段稳定性分析及安全控制[J].公路交通技术,2011(3):114-118,124. |
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| 作者姓名： | 王建 黄鹏 朱明明 |
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| 作者单位： | 中国水电顾问集团成都勘测设计研究院,成都,610072 |
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| 摘 要： | 平面交叉段隧道结构由于支隧道的存在，使得平交段结构受力复杂，围岩应力集中程度高等，给施工增加了很大难度。为了解特大断面平交段隧道的稳定情况以及施工中安全控制事项，以四川省某水电站场内交通工程的一处特大断面隧道平交段进行建模数值分析。结果表明，隧道平交口的施工是整个隧道施工过程中的关键；支隧道开挖后对主隧道围岩的影响主要...
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| 关 键 词： | 主隧道 平面交叉 拱形支撑 应力集中 |
Analysis of Stability and Safety Control of Level Crossing Sections of Extra-large Cross-section Tunnels Super |
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| WANG Jian,HUANG Peng,ZHU Mingming.Analysis of Stability and Safety Control of Level Crossing Sections of Extra-large Cross-section Tunnels Super[J].Technology of Highway and Transport,2011(3):114-118,124. |
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| Authors: | WANG Jian HUANG Peng ZHU Mingming |
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| Institution: | WANG Jian,HUANG Peng,ZHU Mingming |
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| Abstract: | The existence of branch tunnels in structure of tunnels with level crossing sections brings complicated forces on structure of level crossing sections and high intensity of wall rock stress to increase great difficulties for construction.In order to understand stability of extra-large cross-section tunnels with level crossing sections and safety control issues in construction,this paper carries out numerical analysis for one extra-large level crossing section in traffic project inside some hydropower statio... |
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| Keywords: | main tunnel level crossing arch support stress concentration |
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