黄金坪水电站深厚覆盖层跟管钻进工艺研究
投稿时间：2008-09-10    点此下载全文
引用本文：陈修星,冯杨文,侯锦,等.黄金坪水电站深厚覆盖层跟管钻进工艺研究[J].钻探工程,2008,35(11):10-12,16.
CHEN Xiu-xing,FENG Yang-wen,HOU Jin,et al. Technology Research on Drilling in Deep Alluvium with Case in Huangjinping Hydropower Station[J]. Drilling Engineering, 2008,35(11):10-12,16.
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作者单位E-mail
陈修星 四川准达岩土工程有限责任公司 chenxiuxing@sina.com 
冯杨文 四川准达岩土工程有限责任公司  
侯锦 四川准达岩土工程有限责任公司  
赵晓俐 四川准达岩土工程有限责任公司  
中文摘要:结合大渡河黄金坪电站深厚覆盖层帷幕灌浆试验项目需要，对深厚覆盖层跟76 m深套管护壁钻进这一高难度技术进行攻关研究，并提出两级跟管的钻孔结构，圆满实现了试验灌浆孔非灌段跟76 m深套管的目标，为今后类似工程跟管施工提供了重要的参考借鉴作用。
中文关键词:黄金坪水电站  深厚覆盖层  偏心跟管  两级跟管
 
Technology Research on Drilling in Deep Alluvium with Case in Huangjinping Hydropower Station
Abstract:According to the requirement of curtain grouting test in deep alluvium of Huangjinping hydropower station, research was made on highly-difficult technology of drilling with 76m long case, and the borehole structure with two-step casing was put forward.
keywords:Huangjinping hydropower station  deep alluvium  eccentric drilling with case  two-step casing
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