| 莲花山2号隧道盖挖法施工关键技术 |
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| 引用本文： | 亓文新.莲花山2号隧道盖挖法施工关键技术[J].铁道建筑技术,2014(9):89-92. |
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| 作者姓名： | 亓文新 |
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| 作者单位： | 中铁十四局集团第二工程有限公司,山东泰安271000 |
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| 摘 要： | 结合莲花山2号隧道左线进口段施工,分析明挖、暗挖、盖挖法优缺点,进行方案比选,决定采用盖挖法施工,并介绍盖挖法施工关键技术。实践证明,大跨浅埋山岭隧道应用盖挖法,可节省投资,缩短工期,降低施工难度、安全风险,保护环境,是成功可行的。
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| 关 键 词： | 大跨山岭隧道 方案比选 盖挖法 |
The key Construction Technology of Cover-cut Method of No.2 Lianhua Mountain Tunnel |
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| Qi Wenxin.The key Construction Technology of Cover-cut Method of No.2 Lianhua Mountain Tunnel[J].Railway Construction Technology,2014(9):89-92. |
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| Authors: | Qi Wenxin |
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| Institution: | Qi Wenxin (China Railway 14^th Bureau Group Co. Ltd. , Tai＇ an 271000, China) |
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| Abstract: | Based on Construction of left tunnel portal of Lianhua Mountain No.2 Tunnel,the paper introduces advantages and disadvantages of three construction methods,open excavation,underground excavation and cover and cut method.And through scheme comparison,the cover and cut construction is selected and its key technology is introduced.Practice proves the validity of the method in long-span and mountain tunnel.It can save the investment,shorten the construction period, reduce the difficulty of construction and safety risk,protect environment. |
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| Keywords: | long span mountain tunnel schemes comparison cover-cut method |
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