| 硬岩地层旋挖钻进组合工艺的研究与应用 |
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| 引用本文： | 宋刚.硬岩地层旋挖钻进组合工艺的研究与应用[J].施工技术,2011,40(2). |
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| 作者姓名： | 宋刚 |
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| 作者单位： | 中国地质大学(北京)工程技术学院,北京,100083 |
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| 摘 要： | 根据旋挖钻进施工存在的主要问题,将旋挖工法依据岩石硬度进行量化钻进分类,提出硬岩钻进概念,并对当前硬岩钻进组合工艺进行分类、比较。同时介绍新型取芯筒钻的结构特点和操作规程。结果表明,新型取芯筒钻不仅解决了旋挖钻进硬岩组合工艺取芯的技术难题,而且丰富了旋挖硬岩钻进组合工艺。
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| 关 键 词： | 旋挖 组合工艺 取芯筒钻 |
Application and Research on Combinatory Rotary Drilling Process in Hard Rock |
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| Song Gang.Application and Research on Combinatory Rotary Drilling Process in Hard Rock[J].Construction Technology,2011,40(2). |
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| Authors: | Song Gang |
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| Affiliation: | Song Gang(School of Engineering & Technology,China University of Geosciences,Beijing 100083,China) |
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| Abstract: | Based on existing problems about the construction of rotary drilling,the rotary drilling methods are quantitatively classified with the hard rock drilling concept.The classification,comparison and summary are made of the combinatory hard rock drilling process.A newly developed core barrel is described,and structural characteristics and manual rules are introduced.The results show that it has not only tackled the technical difficulty in hard rock coring with the common combinatory rotary drilling process,but... |
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| Keywords: | rotary drilling combinatory process core barrel |
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