| 白果坝双连拱隧道施工关键技术 |
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| 引用本文： | 邓加成. 白果坝双连拱隧道施工关键技术[J]. 筑路机械与施工机械化, 2009, 26(7): 67-70 |
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| 作者姓名： | 邓加成 |
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| 作者单位： | 中铁二十局集团有限公司,陕西,西安,710016 |
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| 摘 要： | 本文结合湖北沪蓉西高速公路恩施至利川段X10标段白果坝1#双连拱隧道的施工，总结出曲中墙型双连拱隧道施工中应特别注意的关键施工技术，以及如何安全转换主洞开挖过程中中隔墙的受力体系、解决浅埋偏压段下沉和渗漏水问题。
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| 关 键 词： | 双连拱隧道 受力体系 转换 浅埋偏压 |
Critical Construction Technology for Baiguo Dam Double-arch Tunnel |
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| DENG Jia-cheng. Critical Construction Technology for Baiguo Dam Double-arch Tunnel[J]. Road Machinery & Construction Mechanization, 2009, 26(7): 67-70 |
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| Authors: | DENG Jia-cheng |
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| Affiliation: | DENG Jia-cheng(China Railway 20 Bureau Group Co. Ltd., Xi＇an 710016, Shaanxi, China) |
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| Abstract: | Critical construction technology which should be paid particular attention to during the construction of double-arch tunnel is summarized in combination with the construction of Baiguo dam No.1 double-arch tunnel in ×10 section which belongs to Enshi-Lichuan part of Hurongxi Expressway of Hubei. It is also discussed that how to safely shift the force system during digging and solve the settlement and leakage problem of shallowlyburied bias part. |
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| Keywords: | double-arch tunnel force system shift shallowly-buried bias |
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