| 三层衬砌在高应力软岩隧道支护中的应用研究 |
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| 引用本文： | 邓华.三层衬砌在高应力软岩隧道支护中的应用研究[J].矿冶工程,2016,36(2):28-31. |
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| 作者姓名： | 邓华 |
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| 作者单位： | 中交第三公路工程局有限公司, 北京 100012 |
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| 摘 要： | 以罗家隧道高应力软岩为例, 对隧道衬砌支护进行了探讨。采用三层衬砌设计, 一方面允许围岩产生一定变形, 增大变形释放掉的围岩压力; 另一方面提供较大的支护力, 防止围岩产生大变形, 保证隧道衬砌结构的安全。数值计算及现场监控数据表明, 三层衬砌设计合理, 对类似工程有一定借鉴意义。
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| 关 键 词： | 高应力 软岩 衬砌 隧道 支护 |
| 收稿时间： | 2015-10-13 |
Application of Three-lining Structure in Supporting Tunnel of Soft Rock under High Stress |
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| DENG Hua.Application of Three-lining Structure in Supporting Tunnel of Soft Rock under High Stress[J].Mining and Metallurgical Engineering,2016,36(2):28-31. |
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| Authors: | DENG Hua |
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| Affiliation: | Third Highway Engineering Co Ltd, China Communications Construction Company Limited, Beijing 100012, China |
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| Abstract: | The Luojia tunnel of soft rock under high stress was taken as an example in the discussion of lining support scheme for tunnels. A design of three-lining structure was adopted to not only release the pressure by properly increasing a certain of deformation of surrounding rock, but also provide greater supporting force to stop further and greater deformation. The calculated value and on-site monitoring data all indicated that such three-lining structure design being reasonable, can provide the reference for other similar projects. |
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| Keywords: | high stress soft rock lining tunnel support |
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