摘要
结合溪口煤矿在四采区+450m南大巷区段石门的试验实际,简述了双层斜眼掏槽光面爆破的技术要点及所取得的技术经济效果。
Combined with the actual test of No.4mining area＋450msouth roadway in segmental shimen,Xikou Colliery,the paper described briefly the technical points of smooth blasting with double an oblique glance cutting and the achieved technical and economic results.
出处
《江西煤炭科技》
2014年第4期49-51,共3页
Jiangxi Coal Science & Technology
关键词
区段石门
双层斜眼掏槽
分次爆破
技术措施
segmental shimen
double an oblique glance cutting
fractional blasting
technical measures
