摘要
钻孔封闭是煤田勘探工作重要组成部分,钻孔封闭质量的好坏,直接关系到矿井的安全生产。主要介绍钻孔封闭材料的计算,封孔工序及相应的技术措施。
Borehole seal is an important component in coalfield exploration work. The quality of the drill hole sealing directly related the safe production of coal mine. The paper mainly introduced the sealing material calculation, the sealing process and corresponding technical measures.
出处
《煤炭技术》
CAS
2008年第9期115-115,共1页
Coal Technology
关键词
封孔材料
注浆
措施
sealing materials
grouting
measures
