| 浅谈软弱围岩隧道微台阶开挖施工技术 |
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| 引用本文： | 刘刚.浅谈软弱围岩隧道微台阶开挖施工技术[J].城市道桥与防洪,2012(7):289-291,308,24. |
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| 作者姓名： | 刘刚 |
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| 作者单位： | 中交一公局厦门工程有限公司,福建厦门,361021 |
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| 摘 要： | 随着铁道部对仰拱与掌子面的安全距离要求越来越严格,传统的开挖工法很难满足铁道部要求。该文介绍了微台阶开挖施工技术。该技术有效地解决了上述问题,既保障了隧道施工安全,也提高了施工进度。
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| 关 键 词： | 软弱围岩 微台阶 开挖 |
Elementary Discussion on Micro-step Excavation Construction Technology of Tunnel in Weak Surrounding Rock |
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| Liu Gang.Elementary Discussion on Micro-step Excavation Construction Technology of Tunnel in Weak Surrounding Rock[J].Urban Roads Bridges & Flood Control,2012(7):289-291,308,24. |
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| Authors: | Liu Gang |
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| Abstract: | With the safe distance of inverted arch and tunnel face to be stricdy required by the Ministry of Railways, the traditional excavation methods are hard to satisfy the requirements of the Ministry of Railways. The article introduces the micro-step excavation construction technology. This technology efficiently solves the above problems not only to ensure the tunnel construction security, but alo to improve the construction progress. |
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| Keywords: | weak surrounding rock micro-step excavation |
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