| 大直径空心桩技术现状及环形孔钻具的研究 |
| 修订日期：1999-07-23 点此下载全文 |
| 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].钻探工程,2000,(4):4-6.. Research on Technical Present Situation and Annular Hole Drilling Tool in Large Diameter Hollow Pile[J]. Drilling Engineering, 2000,(4):4-6. |
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| 胡定成 |
| 《铁道建筑技术》编辑部!北京大兴102600 |
| 基金项目:铁道部科技发展计划项目!(97G33A) |
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| 中文摘要: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 |
| 中文关键词:大直径空心桩,环形孔钻具,弧形槽段 |
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| Research on Technical Present Situation and Annular Hole Drilling Tool in Large Diameter Hollow Pile |
| 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. |
| keywords:large diameter hollow pile,annular hole drilling tool,arcwall groove |
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