| 盾构瓦斯隧道掘进技术 |
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| 引用本文： | 林文书,林建平,刘文斌.盾构瓦斯隧道掘进技术[J].隧道建设,2010,30(6):665-669. |
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| 作者姓名： | 林文书 林建平 刘文斌 |
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| 作者单位： | 1. 武汉地铁集团有限公司,武汉,430000
2. 中国中铁一局集团城市轨道交通工程有限公司,西安,710054 |
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| 摘 要： | 根据武汉地铁2号线范汉区间直接穿越瓦斯储气层的情况，分析瓦斯对盾构隧道施工的影响及危害，以及国家规范尚未对地铁盾构隧道的掘进技术做出量化的情况下，对在瓦斯隧道掘进中施工参数做出主动调整，重点研究控制盾构螺旋出土、盾尾密封、同步注浆及二次注浆质量等方面的技术措施，总结出了1套较为成熟的盾构瓦斯隧道掘进技术方法。
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| 关 键 词： | 盾构隧道 瓦斯地层 隧道施工 盾构掘进 |
| 收稿时间： | 2010-08-13 |
| 修稿时间： | 2010-11-15 |
Shield Tunnelling Technology in Gas-containing Stratum |
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| LIN Wenshu,LIN Jianping,LIU Wenbin.Shield Tunnelling Technology in Gas-containing Stratum[J].Tunnel Construction,2010,30(6):665-669. |
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| Authors: | LIN Wenshu LIN Jianping LIU Wenbin |
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| Institution: | 1. Wuhan Metro Group Co., Ltd., Wuhan 430000, China; 2. Track Traffic Engineering Co., Ltd. of China Railway No.1 Group, Xi’an 710054, China |
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| Abstract: | The influence of gas on shield tunneling is analyzed on basis of the situation of Fan-Han running tunnel on line 2 of Wuhan Metro,which passes through gas-containing stratum.The shield tunneling parameters in gas-containing stratum are adjusted,even though there are no quantitative parameters for shield boring of Metro tunnels in the relevant China＇s national specifications.The focus is placed on the control of the muck conveying of the screw conveyor,the tail skin sealing and the quality of the simultaneous grouting and secondary grouting.As a result,a series of technology for shield tunneling in gas-containing stratum is summarized. |
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| Keywords: | shield-bored tunnel gas-containing stratum tunnel construction shield boring |
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