| 三台阶八步开挖法在公路隧道软弱围岩施工中应用 |
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| 引用本文： | 曾卫东. 三台阶八步开挖法在公路隧道软弱围岩施工中应用[J]. 建筑技术开发, 2021, 48(13): 99-101. DOI: 10.3969/j.issn.1001-523X.2021.13.047 |
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| 作者姓名： | 曾卫东 |
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| 作者单位： | 新疆北新路桥集团股份有限公司,西安 710016 |
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| 摘 要： | 公路隧道软弱围岩施工中,常用的施工工法有存在一定的局限性,采用即能适应复杂地质条件,又能保证隧道施工安全和提高施工质量的施工方法是工艺关键,对公路软岩隧道施工采用三台阶八步开挖法施工工序进行论述.三台阶八步开挖法包括超前小导管施工、开挖施工、初期支护施工、仰拱回填施工、衬砌混凝土施工等步骤.
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| 关 键 词： | 软岩隧道 三台阶八步开挖 仰拱回填 衬砌混凝土 |
Application of Three Steps and Eight Steps Excavation Method in Construction of Highway Tunnel with Weak Surrounding Rock |
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| Zeng Wei-dong. Application of Three Steps and Eight Steps Excavation Method in Construction of Highway Tunnel with Weak Surrounding Rock[J]. Building Technique Development, 2021, 48(13): 99-101. DOI: 10.3969/j.issn.1001-523X.2021.13.047 |
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| Authors: | Zeng Wei-dong |
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