| 刘塘坊铁矿1号副井井筒冻结钻孔施工实践 |
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| 引用本文： | 王兵,汪志祥,董梅,李宏伟.刘塘坊铁矿1号副井井筒冻结钻孔施工实践[J].探矿工程,2011,38(4):53-57. |
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| 作者姓名： | 王兵 汪志祥 董梅 李宏伟 |
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| 作者单位： | 安徽古煤田地质局水文勘探队,安徽宿州234000 |
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| 摘 要： | 介绍了冻结法施工的原理和特点;简述了刘塘坊铁矿1号副井井筒冻结钻孔的基本情况,分析了本工程施工的难点和采取的技术措施,介绍了施工中需要注意的事项和环节,对本工程进行了施工总结。
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| 关 键 词： | 冻结法 井筒冻结 偏斜率 牙轮钻进 防斜纠偏 耐压试验 |
| 收稿时间： | 2010/6/29 0:00:00 |
| 修稿时间： | 2010/12/18 0:00:00 |
Construction Practice of Freezing Borehole in an Auxiliary Shaft |
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| WANG Bing,WANG Zhi-xiang,DONG Mei and LI Hong-wei.Construction Practice of Freezing Borehole in an Auxiliary Shaft[J].Exploration Engineering(Drilling & Tunneling),2011,38(4):53-57. |
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| Authors: | WANG Bing WANG Zhi-xiang DONG Mei and LI Hong-wei |
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| Institution: | (Hydrologic Exploration Team,Anhui Provincial Bureau of Coal Geology,Suzhou Anhui 234000,China) |
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| Abstract: | The principle and characteristics of freezing construction is introduced and the situation of freezing borehole of 1# auxiliary shaft of Liutangfang iron mine is described.The paper analyzed the difficulties and the technical measures in the engineering construction,introduced the attentions and steps in the construction and summed up the operation. |
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| Keywords: | freezing method shaft freezing deviation ratio roller boring inclining prevention and deviation correction withstanding test |
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