| 大口径旋挖钻具的研究及其应用 |
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| 引用本文： | 杨引娥.大口径旋挖钻具的研究及其应用[J].探矿工程,2004,31(11):38-40. |
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| 作者姓名： | 杨引娥 |
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| 作者单位： | 中国地质科学院勘探技术研究所 河北廊坊065000 |
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| 摘 要： | 介绍了旋挖钻进所用的各种钻具结构特点及适用地层，包括螺旋钻具、旋挖钻斗、筒式环状钻头、扩底钻头。并介绍了这些钻具在青藏铁路等工程施工中应用所取得的良好效果。
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| 关 键 词： | 旋挖钻进 旋挖钻具 钻孔桩 青藏铁路 |
| 修稿时间： | 2004/7/19 0:00:00 |
Application and Research of Large Diameter Rotary Drill Tools |
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| YANG Yin-e.Application and Research of Large Diameter Rotary Drill Tools[J].Exploration Engineering(Drilling & Tunneling),2004,31(11):38-40. |
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| Authors: | YANG Yin-e |
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| Abstract: | The structure peculiarities and formation of application of different rotary drill tools, including helicoidal drill head, rotary drill bucket, tube-shaped ringlike bit and under reamer, were introduced. The application results of the tools in construction of railway Qinghai to Tibet were also briefly mentioned. |
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| Keywords: | rotary drilling rotary drill tools bored pile Railway Qinghai to Tibet |
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