| 大直径空心桩技术现状及环形孔钻具的研究 |
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| 引用本文： | 胡定成.大直径空心桩技术现状及环形孔钻具的研究[J].探矿工程(岩土钻掘工程),2000(4):4-6. |
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| 作者姓名： | 胡定成 |
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| 作者单位： | <铁道建筑技术>编辑部,北京,大兴,102600 |
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| 基金项目： | 铁道部科技发展计划项目!(97G33A) |
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| 摘 要： | 概述了大直径空心桩施工技术的发展现状 ,在调研分析的基础上 ,借鉴地下连续墙施工技术 ,提出了一种新型的环形孔钻具 ,并对其结构、工作原理、应用条件及施工步骤等进行了阐述
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| 关 键 词： | 大直径空心桩 环形孔钻具 弧形槽段 |
| 修稿时间： | 1999-07-23 |
Research on Technical Present Situation and Annular Hole Drilling Tool in Large Diameter Hollow Pile |
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| HU Dingcheng.Research on Technical Present Situation and Annular Hole Drilling Tool in Large Diameter Hollow Pile[J].Exploration Engineering:Rock & Soil Drilling and Tunneling,2000(4):4-6. |
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| Authors: | HU Dingcheng |
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| Abstract: | Present situation of constructing technique of large diameter hollow pile is outlined. Based on investigation and analysis and using underground continuous wall technology for reference, a new type of annular hole drilling tool is presented. The structure, working principle, applying condition, and constructing procedure of the new drilling tool are elaborated in this paper. |
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| Keywords: | large diameter hollow pile annular hole drilling tool arcwall groove |
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