工作面老切眼及附近破碎煤体注浆充填方案  

Grouting Filling Scheme of Old Cut Hole and Broken Coal Body Near Working Face

作　　者：王冰冰 闫春来 马超 Wang Bingbing;Yan Chunlai;Ma Chao(Shandong Province Datong Mining Industry Co.,Ltd.,Shandong Yanzhou 273155)

机构地区：[1]山东省大统矿业有限公司,山东兖州273155

出　　处：《山东煤炭科技》2022年第3期19-20,23,共3页Shandong Coal Science and Technology

摘　　要：针对复采F9305工作面回采至老切眼附近时存在的顶板破碎、裂隙空洞等难题,通过在轨道顺槽及切眼打眼超前注浆改造、固化顶板的措施,有效地保证了顶板的稳定,确保了工作面的安全回采。In view of the problems such as broken roof and cracks and voids existing in the vicinity of the old cut hole in the F9305 working face,through the measures of advanced grouting and solidifying the roof in the track trench and cut hole,the stability of the roof is effectively ensured and the safe mining of the working face is ensured.

关 键 词：老巷 破碎 注浆 充填 

分 类 号：TD327.22[矿业工程—矿井建设]