| 大直径锚索孔钻进的新方法 |
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| 引用本文： | 汪彦枢.大直径锚索孔钻进的新方法[J].预应力技术,2006,10(2):27-29. |
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| 作者姓名： | 汪彦枢 |
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| 作者单位： | 中国地质科学院探矿工艺研究所,成都610081 |
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| 摘 要： | 在高边坡复杂地层施工大吨位锚索孔存在一些困难。本文介绍一种以潜孔锤跟管钻进和孔底扩孔相结合的施工方法，该方法可用较轻型的钻机钻进较大的锚孔。
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| 关 键 词： | 锚索孔 跟管钻进 扩底钻进 |
A New Method for Drilling Large Diameter Anchor Cable Holes |
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| Wang Yanshu.A New Method for Drilling Large Diameter Anchor Cable Holes[J].Prestress Technology,2006,10(2):27-29. |
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| Authors: | Wang Yanshu |
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| Abstract: | There are some difficulties in the construction of large tonnage anchor holes in the complex stratum of high slopes. This paper introduces a combination of submerged hammer and pipe drilling and bottom reaming construction method, which can be used to drill larger anchor holes with lighter drilling rigs. |
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| Keywords: | Anchor cable holes Follow pipe drilling Bottom spreading drilling |
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