摘要
针对云驾岭矿12206工作面回采过程中因揭露小煤窑采空区而导致矸石频繁冒落,影响工作面正常推进的情况,运用高水材料在工作面回风巷对小煤窑采动所破坏的区域进行注浆充填。结果表明,破坏区域的松散矸石和煤体能有效地与充填固结体胶结,具有一定的完整性。
The advancing of working face has been affected due to the frequent falling of waste rock resulted by disclosing the gobs of small mines during the mining process of working face No.12206 of Yunjialing Mine.In view of this status,we have used high water material to grout and fill the area in the return roadway damaged by the mining operation of the small mine.As a result,loose waste rock and coal formation in damaged area can cement with filled concretion body effectively and have a certain degree of integrity.
出处
《中国煤炭》
北大核心
2010年第8期66-68,共3页
China Coal
关键词
小煤窑采空区
注浆充填
高水材料
small co-mine gob area
grouting for backfilling
high water material
