| 厚覆砂层岩溶坍陷地区桥梁钻孔桩基础施工 |
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| 引用本文： | 魏晓江.厚覆砂层岩溶坍陷地区桥梁钻孔桩基础施工[J].筑路机械与施工机械化,2010,27(10):66-67,71. |
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| 作者姓名： | 魏晓江 |
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| 作者单位： | 中铁二十五局集团有限公司,广东广州510600 |
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| 摘 要： | 结合位于厚覆砂层岩溶坍陷地区的广清高速公路桥梁钻孔桩的施工，对不同地质情况下的成孔、穿越溶洞处理等关键施工技术进行了阐述和研究，并提出实施技术的保证措施，可为桥梁类似工程施工提供一定的技术借鉴。
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| 关 键 词： | 厚覆砂层 岩溶塌陷地区 钻孔桩 关键技术 |
Construction of Bored Pile Foundation of Bridges in Karst-collapsing Zone with Deep Sand Layer |
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| WEI Xiao-jiang.Construction of Bored Pile Foundation of Bridges in Karst-collapsing Zone with Deep Sand Layer[J].Road Machinery & Construction Mechanization,2010,27(10):66-67,71. |
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| Authors: | WEI Xiao-jiang |
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| Institution: | WEI Xiao-jiang (China Railway 25th Bureau Group Co. Ltd., Guangzhou 510600, Guangdong, China) |
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| Abstract: | Combined with the construction of bored pile in karst-collapsing zone with deep sand layer of Guangqing Highway, key construction technologies of bored pile foundation of bridges are introduced and researched, such as pore boring and cavern crossing, and some assurance measures are put forward, which could be helpful for the similar bridge engineerings. |
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| Keywords: | deep sand layer karst-collapsing zone bored pile key technology |
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