| 深圳地铁2号线东黄区间盾构隧道重叠段施工技术 |
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| 引用本文： | 霍元盛.深圳地铁2号线东黄区间盾构隧道重叠段施工技术[J].铁道建筑技术,2012(1):90-94. |
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| 作者姓名： | 霍元盛 |
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| 作者单位： | 中国铁建十二局集团第四工程有限公司,西安,710021 |
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| 摘 要： | 重叠隧道结构特殊,受力复杂,施工难度大,掘进不易控制。深圳地铁2号线东延线东黄区间盾构隧道重叠段施工中采用夹层岩体注浆加固、自行台车同步支撑施工方案,相关技术措施应用效果良好,平均日掘进量达9.25 m。介绍重叠段施工工艺及关键技术,可为同类工程提供参考。
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| 关 键 词： | 盾构隧道 上下重叠 支撑台车 加固 |
Construction Technology for Overlapping Section of Shield Tunnel in Donghuang Section of No. 2 Line of Shenzhen Subway |
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| Huo Yuansheng.Construction Technology for Overlapping Section of Shield Tunnel in Donghuang Section of No. 2 Line of Shenzhen Subway[J].Railway Construction Technology,2012(1):90-94. |
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| Authors: | Huo Yuansheng |
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| Institution: | Huo Yuansheng ( China Railway 12th Bureau Group Co. Ltd. , Xi＇ an 710021, China) |
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| Abstract: | The overlapping tunnel is of special structure, complex force, difficult construction and tunneling. The section of shield tunnel in Donghuang section of No. 2 line of Shenzhen subway makes use of the construction scheme of rock inter- layer grouting and movable jambo support, for which the relevant technical measures are well applied and average tunneling is 9.25 m each day. The technology for overlapping section is introduced for the reference of similar works. |
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| Keywords: | shield tunnel overlapped between up and down support jambo support |
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