摘要
介绍了近距离煤层综采工作面顶板和巷道顶板管理经验 。
Introduces the fully mechnized working face roof and the tunnel roof control experience of close distance 4 # coal seam,at the same time introdures the fully mechnized working face adopted measures at passing tunnel roof downfall district.
出处
《山西焦煤科技》
2003年第4期27-29,共3页
Shanxi Coking Coal Science & Technology
关键词
近距离煤层
端面距
动压
煤矿
顶板管理
支承压力
The close distance coal seam
Bar-tip-to-face distance
Dynamical pressure
Artifical false roof
