| 长距离硬岩地层盾构施工关键技术研究 |
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| 引用本文： | 李茂文,刘建国,韩雪峰,陈寿根.长距离硬岩地层盾构施工关键技术研究[J].隧道建设,2009,29(4):470-474. |
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| 作者姓名： | 李茂文 刘建国 韩雪峰 陈寿根 |
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| 作者单位： | 1. 西南交通大学 2. 中铁南方投资发展有限公司 |
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| 摘 要： | 深圳地铁5号线布吉-百鸽笼区间隧道所处地层以硬岩为主，区间采用盾构法施工。对盾构长距离穿越硬岩地层时所遇到的技术难题进行研究，通过合理地配置刀具，选择适宜的掘进模式、掘进参数以及同步注浆参数，同时加强刀具的处理措施，顺利解决了盾构施工时刀具磨损严重，管片错台等问题。
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| 关 键 词： | 盾构施工 硬岩地层 长距离 掘进参数 刀具处理 |
| 收稿时间： | 2009-05-18 |
| 修稿时间： | 2009-06-26 |
Key Technologies of Long-Distance Shield Boring in Hard Rock |
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| LI Maowen,LIU Jianguo,HAN Xuefeng,CHEN Shougen.Key Technologies of Long-Distance Shield Boring in Hard Rock[J].Tunnel Construction,2009,29(4):470-474. |
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| Authors: | LI Maowen LIU Jianguo HAN Xuefeng CHEN Shougen |
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| Institution: | 1. Southwest Jiaotong University2. China Railway South Investment and Development Co., Ltd. |
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| Abstract: | The running tunnel between Buji station and Baigelong station on No.5 line of Shenzhen Metro is located in hard rock and is constructed by shield machine.The authors study the technical difficulties encountered in the long-distance shield boring in hard rock in this paper.The problems of serious cutter wear and segment dislocation are solved by adopting proper cutting tools and selecting reasonable boring modes,boring parameters and reasonable simultaneous grouting parameters,as well as by strengthening cut... |
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| Keywords: | shield boring hard rock long distance boring parameter cutter maintenance |
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