| 辐射井技术在北京地铁五号线降水中的应用 |
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| 引用本文： | 何运晏,张志林,夏孟.辐射井技术在北京地铁五号线降水中的应用[J].水文地质工程地质,2006,33(1):80-83. |
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| 作者姓名： | 何运晏 张志林 夏孟 |
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| 作者单位： | 北京市地质工程勘察院,北京,100037 |
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| 基金项目： | 北京市优秀人才培养基金 |
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| 摘 要： | 本文介绍了辐射井降水技术的新突破，特别是双壁反循环水平井施工及沉井和锚喷倒挂壁竖井施工工艺的引进与改进，成功解决了砂层水平井施工易产生“流砂”和施工场地狭小的难题。最后介绍了该技术在北京地铁降水中的应用，以及施工中出现的问题与处理的经验总结。
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| 关 键 词： | 辐射井 地铁降水 水平钻机 双壁反循环 |
| 文章编号： | 1000-3665（2006）01-0080-04 |
| 收稿时间： | 2005-02-28 |
| 修稿时间： | 2005-05-09 |
Radiation-well technique and its application to dewatering engineering in the subway construction of Beijing |
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| HE Yun-yan,ZHANG Zhi-lin,XIA Meng.Radiation-well technique and its application to dewatering engineering in the subway construction of Beijing[J].Hydrogeology and Engineering Geology,2006,33(1):80-83. |
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| Authors: | HE Yun-yan ZHANG Zhi-lin XIA Meng |
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| Institution: | Beijing Institute of Geological Engineering, Beijing 100037, China |
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| Abstract: | A breakthrough in radiation-well technique in its application to dewatering engineering is introduced in this paper. By using the radiation-well technique, we succeeded in solving the difficult problem of constructing a horizontal well in sueh strata as sand and gravel, and also solving the problem of constructing wells in narrow and small places. This new dewatering technique can extensively be applied in the subway construction of Beijing. |
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| Keywords: | radiation-well subway dewatering engineering drilling of a horizontal well anti-circulation by double-wall pipe |
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