破碎硬质岩石巷道光面爆破实践  

Practice of Smooth Blasting in Broken and Hard Rock Tunnel

作　　者：王开民[1] 

机构地区：[1]淮北矿业集团工程建设公司,安徽省淮北市235100

出　　处：《煤矿爆破》2012年第4期26-29,共4页Coal Mine Blasting

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.

关 键 词：破碎硬质围岩 岩石巷道 光面爆破 

分 类 号：TD235.374[矿业工程—矿井建设]