摘要
大同煤矿集团公司忻州窑矿西二盘区11#层综放工作面邻空巷超前支护范围内常常发生炸帮,甚至巷道底板鼓起等现象,在邻空侧钻卸压孔,可减少或消除冲击地压现象。
The paper deals with phenomenon of shock roof pressure at empty neighbor roadway of extracting and caving face in the Xingzhouyao mine west penal No2 seam No11 and puts forward methods of drilling the unload pressure holes at the empty neighbor roadways.
出处
《同煤科技》
2003年第4期21-21,23,共2页
Datong Coal Science & Technology
关键词
综放工作面
煤矿开采
井工开采
邻空巷
冲击地压
卸压孔
underground mining
pit mining
comprehensive extracting and caving face
empty neighbor roadway
shock roof pressure
unload pressure holes
