| 正台阶环形开挖法在软弱围岩隧道中的应用 |
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| 引用本文： | 张华.正台阶环形开挖法在软弱围岩隧道中的应用[J].内蒙古石油化工,2004,30(2):45-47. |
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| 作者姓名： | 张华 |
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| 作者单位： | 中铁十九局集团第四工程有限公司,内蒙古,通辽,028000 |
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| 摘 要： | 介绍了软弱围岩公路隧道开挖及支护技术。提出正台阶环形开挖法在大断面软弱围岩条件下的合理应用及其施工工艺和施工注意事项。
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| 关 键 词： | 正台阶环形开挖法 软弱围岩隧道 应用 公路隧道 |
The application of Positive-Step and Ring-Cutting for Tunnel Construction in weak surrounding rocks |
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| zhanghua.The application of Positive-Step and Ring-Cutting for Tunnel Construction in weak surrounding rocks[J].Inner Mongulia Petrochemical Industry,2004,30(2):45-47. |
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| Authors: | zhanghua |
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| Abstract: | Introduction for Tunnel Cutting and supporting Tek in weak Rock for Road building Presenting the feasible application, Construction Tek and operation Cautions, for the positive-step-Cutting method on large section Cutting in weak Surrounding Rock. |
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| Keywords: | Road Tunnel weak Surrounding Rock Positive-step Ring Cutting |
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