| 煤矿井筒检查孔施工工艺探讨 |
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| 引用本文： | 董润平,胡忠义.煤矿井筒检查孔施工工艺探讨[J].探矿工程(岩土钻掘工程),2012,39(10):12-15. |
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| 作者姓名： | 董润平 胡忠义 |
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| 作者单位： | 阳煤集团基本建设工程管理部,阳泉新宇岩土工程有限责任公司 |
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| 摘 要： | 煤矿井筒检查孔不同于普通的煤田勘探孔及水文地质钻孔,它既需要全孔取心,又需要分层(段)进行抽水试验,技术要求高,施工难度大。如果工艺设计不合理,施工措施不得力,极易出现孔内事故,影响钻孔质量,加大施工成本。就煤矿井筒检查孔的钻探成孔、起下套管及抽水试验等方面总结了经验及教训,为今后类似工程施工提供借鉴。
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| 关 键 词： | 煤矿井筒 检查孔 钻进 套管 抽水 |
Discussion on Construction Technology of Coalmine Shaft Pilot Hole |
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| DONG Run-ping and HU Zhong-yi.Discussion on Construction Technology of Coalmine Shaft Pilot Hole[J].Exploration Engineering:Rock & Soil Drilling and Tunneling,2012,39(10):12-15. |
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| Authors: | DONG Run-ping and HU Zhong-yi |
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| Affiliation: | Yangmei Group Infrastructure Project Management Department,Yangquan Xinyu Geo-technical Engineering Co., Ltd. |
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| Abstract: | Coalmine shaft pilot hole is different to cola mine prospecting hole or geological hole, which has high technical requirements for difficult construction and contains full hole coring and stratified pumping test tasks. In case with the irrational technical design and inefficient construction measures, downhole accidents occur very easily, the construction quality would be influenced with cost increasing. The paper summed up the experiences of drilling, casing and pumping to be reference to the similar projects. |
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| Keywords: | coalmine shaft pilot hole drilling case pumping |
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