Construction Control Technology of Gas Lift Reverse Circulation Bored Pile in Complex Geological Environment with High Tide Difference
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摘要: 随着桥梁建设的飞速发展,大跨度桥梁不断涌现,因此对桩基质量提出更高要求,本文结合工程实例,介绍一种利用气举反循环钻机施工以实现控制成桩质量的施工方法。工程实践证明该方法可用于复杂地质环境下的桩基施工。Abstract: With the rapid development of bridge construction, long-span bridges continue to emerge, so higher requirements are put forward for the quality of pile foundation. Combined with engineering examples, this paper introduces a construction method of using air lift reverse circulation drilling machine to control the quality of pile.Engineering practice shows that this method can be used in pile foundation construction in complex geological environment.
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[1] 中交第一公路工程局有限公司.JTG/T F50-2011,公路桥涵施工技术规范[S].北京:人民交通出版社,2011. [2] 秦顺全,高宗余,潘东发.武汉天兴洲公铁两用长江大桥关键技术研究[J].桥梁建设,2008(S2):99-105. [3] 中交第二公路工程局有限公司.公路桥梁施工系列手册墩台与基础(下篇)[M].北京:人民交通出版社,2014.
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