| 杭州某市政隧道过既有铁路暗挖施工技术 |
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| 引用本文： | 刘招伟,杨世武.杭州某市政隧道过既有铁路暗挖施工技术[J].岩土工程学报,2006,28(3):353-357. |
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| 作者姓名： | 刘招伟 杨世武 |
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| 作者单位： | 北京交通大学土建学院；中铁隧道集团科研所 北京100044中铁隧道集团科研所；河南洛阳471009； |
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| 摘 要： | 重点介绍了富水砂质粉土地层浅埋暗挖法隧道修建技术,通过采用夯管超前预支护、全断面注浆、CRD工法等辅助施工措施穿越既有运营铁路干线,保证了近距离双洞大跨隧道安全施工。
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| 关 键 词： | 富水粉质砂土 浅埋暗挖 双洞大跨 信息反馈 |
| 文章编号： | 1000-4548（2006）03-0353-05 |
| 收稿时间： | 2005-06-29 |
| 修稿时间： | 2005-06-29 |
Undercutting construction technology of a municipal tunnel beneath existing railways in Hangzhou |
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| LIU Zhao-wei,YANG Shi-wu.Undercutting construction technology of a municipal tunnel beneath existing railways in Hangzhou[J].Chinese Journal of Geotechnical Engineering,2006,28(3):353-357. |
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| Authors: | LIU Zhao-wei YANG Shi-wu |
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| Affiliation: | 1.Civil Engineering Architecture School Beijing Jiaotong University Beijing 100044 China 2.Scientific Research Institute China Railway Tunnel Group Luoyang 471009 China |
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| Abstract: | Undercutting construction technology of a shallow-buried tunnel in water-bearing layer of sandy silt was introduced. By taking some assisting construction measures such as advanced forepoling reinforcement, full-sectional grouting and CRD construction method, the passing of tunnel beneath the existing trunk railways and the construction safety of closely-spaced large-span twin tunnels were guaranteed. |
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| Keywords: | water-rich sandy silt undercutting with shallow overburden twin large-span tunnels information feedback |
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