摘要
1982年双鸭山矿业集团公司东荣二矿501号钻孔发生埋钻事故。文章分析了回采过程中遭遇501号钻孔的两种处理方法及依据,为今后遇到此类工程现象提供了工程实践经验。
In 1982, the buried drills accident of No.501 driUing hole took place, in Dongrong No.2 Coal Mine, in Shuangyashan Mining Industry Group Comp., two kinds of handling methods and basis in the mining process were analyzed. The practice experiences in engineering were provided for such engineering phenomena in future.
出处
《煤炭技术》
CAS
北大核心
2009年第9期92-93,共2页
Coal Technology
关键词
未封钻孔
保护煤柱
回采
undealed borehole
protective coal pillar
mining