刘塘坊铁矿1号副井井筒冻结钻孔施工实践
投稿时间：2010-06-29  修订日期：2010-12-18  点此下载全文
引用本文：王兵,汪志祥,董梅,等.刘塘坊铁矿1号副井井筒冻结钻孔施工实践[J].钻探工程,2011,38(4):53-57.
WANG Bing,WANG Zhi-xiang,DONG Mei,et al. Construction Practice of Freezing Borehole in an Auxiliary Shaft[J]. Drilling Engineering, 2011,38(4):53-57.
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作者单位E-mail
王兵* 安徽省煤田地质局水文勘探队 wangbingswd@163.com 
汪志祥 安徽省煤田地质局水文勘探队  
董梅 安徽省煤田地质局水文勘探队  
李宏伟 安徽省煤田地质局水文勘探队  
中文摘要:介绍了冻结法施工的原理和特点；简述了刘塘坊铁矿1号副井井筒冻结钻孔的基本情况，分析了本工程施工的难点和采取的技术措施，介绍了施工中需要注意的事项和环节，对本工程进行了施工总结。
中文关键词:冻结法  井筒冻结  偏斜率  牙轮钻进  防斜纠偏  耐压试验
 
Construction Practice of Freezing Borehole in an Auxiliary Shaft
Abstract:The principle and characteristics of freezing construction is introduced and the situation of freezing borehole of 1# auxiliary shaft of Liutangfang iron mine is described. The paper analyzed the difficulties and the technical measures in the engineering construction, introduced the attentions and steps in the construction and summed up the operation.
keywords:freezing method  shaft freezing  deviation ratio  roller boring  inclining prevention and deviation correction  withstanding test
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