| 软流塑地层隧道暗挖辅助工法探析 |
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| 引用本文： | 马恩.软流塑地层隧道暗挖辅助工法探析[J].现代城市轨道交通,2011(4):62-64. |
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| 作者姓名： | 马恩 |
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| 作者单位： | 长江工程监理咨询有限公司,湖北武汉,430010 |
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| 摘 要： | 南京地铁2号线市区施工采用暗挖法施工,该地区的软流塑淤泥质地层必须采用适当的辅助工法对地层进行加固,才能保证暗挖施工过程中隧道本身和地面建筑物和管线的安全。从离心模型试验的结果、经济和社会效益进行综合对比,该地区地铁暗挖施工采用"大管棚+小导管超前预注浆法"进行地基预加固。
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| 关 键 词： | 地铁施工 暗挖 软流塑地层 地基预加固 施工方法 |
Analysis on Assistant Construction Methods of Tunnel Excavation in Soft-Flow Plastic Ground |
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| Ma En.Analysis on Assistant Construction Methods of Tunnel Excavation in Soft-Flow Plastic Ground[J].Modern Urban Transit,2011(4):62-64. |
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| Authors: | Ma En |
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| Abstract: | The subsurface excavation method is applied in urban region of Nanjing Metro Line 2,where the soft-flow plastic strata should follow appropriate assistant construction method to improve consolidation.From the comprehensive comparison of experiment results with economic and social benefits,the pre-injection method with large pipe-shed and small pipe in advance is used for ground consolidation in this area during metro subsurface excavation. |
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