摘要
通过理论分析,数值模拟结果分析和实际考察,确定了急倾斜特厚煤层水平分层开采对下分层的保护深度和在倾向。
By theoretical analysis, numerical simulation analysis and practical exploration, determines the protection depth and range within dip and trend of lower slice im mining horizontal slice of sharp inclined and very thick coal seam.
出处
《华北科技学院学报》
2005年第1期10-13,共4页
Journal of North China Institute of Science and Technology
关键词
分层开采
保护层
防突
Slice mining
Protection seam
Anti-burst
