中关铁矿帷幕灌浆实验孔孔斜成因及处理 |
修订日期:2006-11-29 点此下载全文 |
引用本文:贾文亮,于辉增,王洪涛.中关铁矿帷幕灌浆实验孔孔斜成因及处理[J].钻探工程,2007,34(5):30-32.. Cause and Treatment for Hole Deflection of Curtain Grouting in Zhongguan Iron Mine[J]. Drilling Engineering, 2007,34(5):30-32. |
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贾文亮 于辉增 王洪涛 |
华北有色地质勘查局承德勘察院,河北承德067000 |
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中文摘要:中关铁矿帷幕灌浆孔设计深度深、钻孔垂直度要求高,加之地质条件、水文条件的特殊性和复杂性,钻孔偏斜超标严重,经过实践,摸索出一套有效的防斜、纠斜技术措施。在分析孔斜原因的基础上,介绍了该工程的防斜、纠斜技术措施和取得的效果。 |
中文关键词:帷幕灌浆 实验孔 孔斜 防斜 纠斜 |
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Cause and Treatment for Hole Deflection of Curtain Grouting in Zhongguan Iron Mine |
JIA Wen-liang YU Hui- zeng WANG Hong-tao |
Chengde Researching Institute, North China Mining and Geological Exploration Bureau for Nonferrous Metals, Chengde Hebei 067000, China |
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Abstract:Curtain grouting design for Zhongguan iron mine demands big depth and high verticality, but under the complex geological and hydrological conditions, borehole deviation is serious. This paper presents control and correction measures with analysis on the cause of deviation. |
keywords:curtain grouting experimental hole hole deviation deviation control deviation correction |
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