| 叠交隧道盾构穿越中间井施工技术 |
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| 引用本文： | 王志华.叠交隧道盾构穿越中间井施工技术[J].中国市政工程,2011(4):44-45,49. |
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| 作者姓名： | 王志华 |
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| 作者单位： | 上海隧道工程股份有限公司,上海,200082 |
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| 摘 要： | 虹井路站—虹梅路站区间隧道盾构叠交穿越中间井工程是上海市轨道交通10号线工程10标段的一个重要组成部分。介绍了超深基坑的施工技术;叠交段盾构3次进中间井、1次出中间井,采取深层搅拌桩、冻结、旋喷桩加固土体,保证盾构进、出洞安全顺利的施工技术,对今后类似工程有借鉴意义。
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| 关 键 词： | 叠交隧道 深基坑施工 盾构进出洞 冻结加固 深层搅拌桩 |
On Construction Technology of Overlapped Tunnel Shield Crossing Middle Well |
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| WANG Zhi-hua.On Construction Technology of Overlapped Tunnel Shield Crossing Middle Well[J].China Municipal Engineering,2011(4):44-45,49. |
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| Authors: | WANG Zhi-hua |
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| Affiliation: | WANG Zhi-hua(Shanghai Tunnel Engineering Co.,Ltd.,Shanghai 200082,China) |
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| Abstract: | Taking the tunnel project between Hongjing Rd.Station and Hongmei Rd.Station for example,the overlapped tunnel shield crossing middle well is an important part of Bid No.10 of Rail Traffic Line 10 in Shanghai.The construction technologies of super-deep foundation pit are introduced in this paper including the overlapped shield break-in middle well three times & break-out one time,adopting deep mixing pile,freezing,jet grouting pile to consolidate the soil body.These helpful technologies can ensure the safet... |
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| Keywords: | overlapped tunnel deep foundation pit construction shield break-in & break-out consolidation by freezing deep mixing pile |
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