| 长江隧道盾构始发端头冻结加固施工技术 |
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| 引用本文： | 张,巍.长江隧道盾构始发端头冻结加固施工技术[J].水运工程,2015(8):81-83. |
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| 作者姓名： | 张 巍 |
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| 作者单位： | 中交二航局第三工程有限公司,江苏 镇江 212021 |
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| 摘 要： | 盾构始发施工事关隧道施工成败,软土地层盾构始发施工难度及风险大大高于其他地层。南京纬三路过江通道N线盾构始发施工采用端头冻结加固技术取得了良好的效果。详细阐述了盾构隧道始发端头冻结加固法设计、施工关键技术及施工效果,可供类似工程借鉴。
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| 关 键 词： | 盾构 冻结法 垂直度 盾构出洞 |
Consolidation of initial end of tunnel boring by freezing crossing the Yangtze River |
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| ZHANG Wei.Consolidation of initial end of tunnel boring by freezing crossing the Yangtze River[J].Port & Waterway Engineering,2015(8):81-83. |
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| Authors: | ZHANG Wei |
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| Institution: | The 3rd Construction Company of CCCC Second Harbor Engineering Co.,Ltd.,Zhenjiang 212021,China |
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| Abstract: | Starting of the tunnel boring machine (TMB) is one of the key points which directly affect the effect of tunnel construction.The TBM started in the soft soil layers faces more difficulties and risks than those started other soil layers.Freezing on the starting end of TMB for consolidation is used during the construction of work-Nanjing Weisan road tunnel N crossing the Yangtze River and acquires a good effect.This text elaborates the design of freezing on the starting ends for consolidation,key construction points of such freezing technology and its construction effects. |
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