| 龙凤隧道下穿尖山子隧道施工 |
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| 引用本文： | 傅强,张细宝.龙凤隧道下穿尖山子隧道施工[J].隧道建设,2006,26(5):66-69. |
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| 作者姓名： | 傅强 张细宝 |
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| 作者单位： | 中铁五局一公司,长沙,410117 |
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| 摘 要： | 比较全面地介绍了遂渝铁路引入线第2标段龙凤隧道下穿渝合高速公路尖山子隧道的施工方法。从施工总体原则与要求着手，依次介绍了主要施工步骤与方法：管棚施工、开挖及支护、施工监测、仰拱与衬砌施工等，同时简要介绍了应采取的相关防护措施、应急保证措施。
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| 关 键 词： | 隧道 下穿 施工方法 |
| 收稿时间： | 2006-01-16 |
| 修稿时间： | 2006年1月16日 |
Construction of Longfeng Tunnel Penetrating
across underneath Existing Jianshanzi Tunnel |
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| FU Qiang,ZHANG Xi-bao.Construction of Longfeng Tunnel Penetrating
across underneath Existing Jianshanzi Tunnel[J].Tunnel Construction,2006,26(5):66-69. |
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| Authors: | FU Qiang ZHANG Xi-bao |
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| Institution: | The 1st Engineering Co. , Ltd. , of China Railway the 5th Bureau Group, Changsha 410117, China |
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| Abstract: | The paper presents the construction method adopted for the construction of Longfeng tunnel on bid 2 section of approach line of Sui-Yu railway, which penetrates across underneath the existing Jianshanzi tunnel on Yu-he highway. From the general principles and requirements for the tunnel construction, the paper presents in detail such tunnel construction sequences as installation of pipe-roof protection, excavation and reinforcement, measurement and monitoring, installation of invert and lining. Furthermore, the paper briefly presents the protection measures and contingency countermeasures taken for the tunnel construction. |
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| Keywords: | tunnel penetrating across underneath existing tunnel construction |
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