| 潜孔锤冲击挤密钻进成孔法的探讨 |
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| 引用本文： | 李养平.潜孔锤冲击挤密钻进成孔法的探讨[J].探矿工程,1997(6):23-25. |
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| 作者姓名： | 李养平 |
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| 作者单位： | 长春科技大学 |
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| 摘 要： | 探讨了潜孔锤冲击挤密钻进成孔法的产生、钻进机理及其优点，并就该成孔法在锚杆孔施工中所存在的问题，从理论上进行了分析研究，并据此设计了两种结构的挤密钻头。
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| 关 键 词： | 锚固 潜孔锤 冲击挤密钻进 钻头 成孔法 深基础 |
Discussion on Drilling Hole with DTH Ramming and Displacement |
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| Li Yangping.Discussion on Drilling Hole with DTH Ramming and Displacement[J].Exploration Engineering(Drilling & Tunneling),1997(6):23-25. |
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| Authors: | Li Yangping |
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| Abstract: | The history, drilling mechanism and advantages of drilling holes with DTH ramming and displacement are discussed. The thoeretical analysis is made based on the problems present with the method in anchor installation and two types of displacing bits have been designed. |
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| Keywords: | anchor hole DTH ramming and displacement displacing bits |
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