| 大田一号隧道软弱破碎段施工技术研究 |
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| 引用本文： | 隋传毅,赵玉成.大田一号隧道软弱破碎段施工技术研究[J].筑路机械与施工机械化,2011,28(12):81-83. |
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| 作者姓名： | 隋传毅 赵玉成 |
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| 作者单位： | 1. 西南交通大学土木工程学院,四川成都,610031
2. 石家庄铁道大学土木工程学院,河北石家庄,050043 |
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| 摘 要： | 隧道施工中为安全穿越软弱破碎围岩地段,在采取有效的预加固措施确保施工安全的前提下,要综合考虑结构安全与质量、进度与工期、工程经济等多方面因素。结合贵广铁路大田一号隧道工程实例,指出微台阶大拱脚七步开挖法较分部开挖法可以更好地控制围岩变形,并且具有工期短、安全性高等优势,对同类工程具有借鉴意义。
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| 关 键 词： | 隧道 软弱围岩 大断面 施工方法 |
Research on Construction Technology of Weak Section of Datian No.1 Tunnel |
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| SUI Chuan-yi,ZHAO Yu-cheng.Research on Construction Technology of Weak Section of Datian No.1 Tunnel[J].Road Machinery & Construction Mechanization,2011,28(12):81-83. |
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| Authors: | SUI Chuan-yi ZHAO Yu-cheng |
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| Institution: | SUI Chuan-yi~1,ZHAO Yu-cheng~2 1.School of Civil Engineering,Southwest Jiaotong University,Chengdu 610031,Sichuan,China 2.School of Civil Engineering,Shijiazhuang Railway University,Shijiazhuang 050043,Hebei,China |
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| Abstract: | For safely pass through the weak rock in tunnel construction,in the premise of taking effective prereinforcement measures to ensure construction security,the structure security and quality,progress and duration, and engineering economy should be integrated considered.Combined with Datian No.1 Tunnel project of Guiguang Railway,it was pointed out that micro-stepped large arch feet seven steps excavation method can better control weah rock deformation than division excavation method,and has the advantages of ... |
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| Keywords: | tunnel weak rock large cross section construction method |
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