| 潜孔锤跟管钻进技术在小浪底水利观测孔工程的应用 |
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| 引用本文： | 郑玉辉. 潜孔锤跟管钻进技术在小浪底水利观测孔工程的应用[J]. 探矿工程, 2007, 34(8): 4-5,12 |
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| 作者姓名： | 郑玉辉 |
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| 作者单位： | 四川方圆地基基础工程有限责任公司 四川成都610066 |
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| 摘 要： | 在黄河小浪底水利枢纽观测孔工程中,采用气动潜孔锤跟管钻进结合双动力头钻机成功地解决了普通气动潜孔锤及常规钻进工艺在厚度达50 m渣石层成孔难的问题。
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| 关 键 词： | 水利观测孔 潜孔锤跟管钻进 双动力头钻机 厚渣石层 |
| 修稿时间： | 2007-01-29 |
Application of DTH with Simultaneous Casing for Water Conservancy Observation Holes in Xiaolangdi Water Conservancy |
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| ZHENG Yu-hui. Application of DTH with Simultaneous Casing for Water Conservancy Observation Holes in Xiaolangdi Water Conservancy[J]. Exploration Engineering:Rock & Soil Drilling and Tunneling, 2007, 34(8): 4-5,12 |
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| Authors: | ZHENG Yu-hui |
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| Abstract: | In Huanghe Xiaolangdi water conservancy engineering,pneumatic downhole hammer and double driving head drilling machine were used to solve the problems coming up against with common pneumatic downhole hammer and conventional drilling technology while drilling in slag layer of 50m thickness. |
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| Keywords: | water conservancy observation hole DTH with simultaneous casing double driving head drilling machine thick slag layer |
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