| 复杂地质条件下超浅埋暗挖立体交叉隧道施工 |
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| 引用本文： | 谭文.复杂地质条件下超浅埋暗挖立体交叉隧道施工[J].都市快轨交通,2011,24(3):79--83. |
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| 作者姓名： | 谭文 |
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| 作者单位： | 广州市地下铁道总公司; |
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| 摘 要： | 介绍广州市轨道交通5号线区庄站多层立体交叉隧道工程概况,系统总结重叠段隧道施工工况及关键控制技术;对交叉重叠段地面沉降、5、6号线隧道拱顶沉降数据进行分析,验证主要关键施工技术;最后提出近接群洞隧道施工安全距离、下层隧道初支完成后,即可进行上层隧道施工等关键结论.
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| 关 键 词： | 城市轨道交通 超浅埋 暗挖 立体交叉 安全距离 监测 |
| 修稿时间： | 2013/12/12 0:00:00 |
Construction of Super Shallow Overlapped Bored Tunnels under Complicated Geological Conditions |
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| Tan Wen.Construction of Super Shallow Overlapped Bored Tunnels under Complicated Geological Conditions[J].Urban Rapid Rail Transit,2011,24(3):79--83. |
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| Authors: | Tan Wen |
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| Institution: | Tan Wen(Guangzhou Metro Corporation,Guangzhou 510030) |
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| Abstract: | This paper introduces the engineering features of multi-story overlapped tunnels at Ouzhuang Station on Guangzhou metro Line 5.Construction process and key control techniques are systematically summarized,of which the latter has been verified by analyzing crown settlements of overlapped tunnels on Lines 5 and 6.In conclusion,the author presents the safety lagging distances of closely spaced overlapped tunnels during construction and suggests that the upper tunnel can be constructed after the lower tunnel's ... |
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| Keywords: | urban rail transit super shallow tunnels bored tunnel overlapped tunnels safety distance monitoring |
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