| 岩溶地区冲（钻）孔桩施工常见事故防治及其对策 |
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| 引用本文： | 周安全,周湘.岩溶地区冲（钻）孔桩施工常见事故防治及其对策[J].探矿工程,2010,37(11):48-54. |
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| 作者姓名： | 周安全 周湘 |
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| 作者单位： | [1]中南地勘局601队,湖北黄石435006 [2]武钢宏信置业发展有限公司,湖北武汉430081 |
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| 摘 要： | 在岩溶地区进行冲（钻）孔灌注桩施工时,经常因发生和处理各种孔内或质量事故而造成施工难度大、工期长、成本高、效率低,如处理不当或不及时,还可能导致桩孔报废、地面沉陷等重大隐患。通过多年来在岩溶发育地区从事岩土工程地质勘察、设计、监理、技术咨询及施工管理等实践,简要地概述了各种常见孔内和质量事故的发生原因及防治方法;并提出了一些有关进一步加强岩土工程地质勘察、设计、监管和施工技术等方面的对策及建议。
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| 关 键 词： | 岩溶地区 冲（钻）孔灌注桩 事故防治 对策 |
| 收稿时间： | 2010/4/9 0:00:00 |
| 修稿时间： | 2010/8/10 0:00:00 |
Discussion on Common Accident Prevention for Percussive or Bored Pile in Karst Area and the Countermeasures |
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| ZHOU An-quan and ZHOU Xiang.Discussion on Common Accident Prevention for Percussive or Bored Pile in Karst Area and the Countermeasures[J].Exploration Engineering(Drilling & Tunneling),2010,37(11):48-54. |
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| Authors: | ZHOU An-quan and ZHOU Xiang |
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| Institution: | 1.601 Team under Centralsouth Bureau of China Metallurgical Geology Bureau,Huangshi Hubei 435006,China;2.Hongxin Estate Co.,Ltd.,Wuhan Iron and Steel(Group) Corp.,Hubei Wuhan 430081,China) |
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| Abstract: | Percussive or bored pile construction is difficult in karst area with long project period,high cost and low efficiency because of various borehole accidents.Based on the practice of geological investigation,design,supervision,technical advisory and construction management,the paper summarized the causes and prevention methods of various borehole accidents and put forward the relevant suggestions. |
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| Keywords: | karst area pile foundation construction accident prevention countermeasure |
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