摘要
以顶煤损伤演化和破碎过程理论分析为基础,阐述了在破碎煤体维护中采用马丽散N材料进行超前注浆加固,保持巷道顶煤、煤帮及三角煤体的稳定,确保工作面快速推进的经验。
Based on the theoretical analysis of damage evolution and breakage process of roof coal,this paper expounds the experiences of applying Malisan N material in maintenance of the fragmentized coal body to make advanced grouting reinforcement,maintain the stability of gateway top coal,side coal and triangle coal and ensure the rapid advance of the workface.
出处
《科技情报开发与经济》
2009年第32期141-143,共3页
Sci-Tech Information Development & Economy
关键词
端头维护
三角煤体
马丽散N
注浆加固
顶煤损伤
maintenance of face end
triangle coal body
Malisan N
grouting reinforcement
damage of top coal
