| 青藏铁路多年冻土区旋挖钻扩底钻孔桩施工 |
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| 引用本文： | 郭法生. 青藏铁路多年冻土区旋挖钻扩底钻孔桩施工[J]. 安徽建筑, 2008, 15(2): 49-50 |
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| 作者姓名： | 郭法生 |
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| 作者单位： | 中铁四局集团有限公司,安徽,合肥,230023 |
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| 摘 要： | 文章主要介绍了多年冻土区旋挖钻机扩底桩钻孔的特制扩底机具、施工工艺和施工方法。
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| 关 键 词： | 多年冻土区 旋挖钻机 扩底桩 钻孔施工 |
The Swiveling Drilling of Under-reamed Bored Pile in Perennial-frost Zone of Qinghai-Tibet Railway Construction |
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| Cuo Fasheng. The Swiveling Drilling of Under-reamed Bored Pile in Perennial-frost Zone of Qinghai-Tibet Railway Construction[J]. Anhui Architecture, 2008, 15(2): 49-50 |
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| Authors: | Cuo Fasheng |
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| Affiliation: | China Railway No.4 Engineering Group Co.;Ltd.;Hefei 230023;China |
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| Abstract: | The article mainly introduces the special drilling tools, construction process and methods used in swiveling drilling of the under-reamed bored pile in perennial-frost zone. |
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| Keywords: | perennial-frost zone swiveling pile driver under-reamed bored pile drilling |
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