| 全风化千枚岩围岩双连拱隧道变形控制技术 |
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| 引用本文： | 鲁军良,宋新杰.全风化千枚岩围岩双连拱隧道变形控制技术[J].筑路机械与施工机械化,2012,29(1):67-71. |
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| 作者姓名： | 鲁军良 宋新杰 |
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| 作者单位： | 中铁隧道集团一处有限公司,重庆,401121 |
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| 摘 要： | 针对在全风化千枚岩条件下,双向六车道双连拱隧道的修建过程中发生大变形、支护结构开裂等现象,结合全风化千枚岩特性,进行大变形原因分析,提出隧道收敛及沉降的变形控制原则及具体措施.实施后,隧道大变形得到了根本性控制,降低了工程风险.
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| 关 键 词： | 全风化千枚岩 双连拱隧道 变形 控制措施 |
Deformation Control Technology of Double-arch Tunnel with Weathered Phyllite Surrounding Rock |
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| LU Jun-liang
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SONG Xin-jie.Deformation Control Technology of Double-arch Tunnel with Weathered Phyllite Surrounding Rock[J].Road Machinery & Construction Mechanization,2012,29(1):67-71. |
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| Authors: | LU Jun-liang SONG Xin-jie |
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| Institution: | (First Construction Division Co. Ltd. of China Railway Tunnel Group, Chongqing 401121, China) |
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| Abstract: | Aiming at the phenomenon such as large deformation, cracking of supporting structure in the con- struction process of double-arch tunnel with weathered phyllite, the reasons for large deformation were analyzed according to the all weathered phyllite characteristics. The deformation control principle and measures of tunnel convergence and settlement were put forward. After taking these measures, the large deformation of tunnel has been controlled fundamentally, which reduced the risk of project. |
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| Keywords: | weathered phyllite double-arch tunnel deformation control measure |
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