| 超大跨隧洞工程施工经验介绍 |
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| 引用本文： | 唐宇田.超大跨隧洞工程施工经验介绍[J].现代隧道技术,2006,43(1):62-66. |
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| 作者姓名： | 唐宇田 |
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| 作者单位： | 中铁二局第四工程有限公司,成都,610200 |
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| 摘 要： | 某洞库工程开挖跨度达44.4 m,同时具有矢跨比甚小、断面扁平的特点,如何优化开挖方案、确保工程安全、优质施工,是值得深入探讨和研究的问题。文章分析了影响超大跨形成的因素,介绍了该工程开挖方案的确定、实施及有关体会,对后续类似工程施工有一定借鉴作用。
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| 关 键 词： | 隧洞工程 超大跨度 影响因素 开挖方案 |
| 文章编号： | 1009-6582(2006)01-0062-05 |
Introduction to the construction of a super-long span tunnel |
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| Tang Yutian.Introduction to the construction of a super-long span tunnel[J].Modern Tunnelling Technology,2006,43(1):62-66. |
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| Authors: | Tang Yutian |
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| Abstract: | The excavation span of a tunnel accounts to 44.4 meters,the tunnel is very flat with a small ratio of rise to span.How to optimize the excavation option of it to guarantee the safety and high quality construction is deserved to research and study in detail.The paper analyzed the factors that brought about the super-long span,introduced the determination of the excavation option of the tunnel and the implementation of it as well as some experience about the construction.The practice can be served as a guidance for the similar projects. |
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| Keywords: | Tunnel construction Super-long span Factors of influence Excavation option |
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