摘要
以淮北孙疃煤矿特殊硬质破碎岩石巷道为研究对象,通过光面爆破参数优选、炮眼布置及装药结构优化等措施,取得了破碎硬岩巷道的良好光面爆破效果。
Taking the special hard broken rock tunnel in Huaibei Suntuan coalmine as the research object, through the optimization of smooth blasting parameter, hole arrangement and charge structure, the good results of smooth blasting in broken and hard rock tunnel are obtained.
出处
《煤矿爆破》
2012年第4期26-29,共4页
Coal Mine Blasting
关键词
破碎硬质围岩
岩石巷道
光面爆破
broken and hard rock
rock roadway
smooth blasting
