光面护壁爆破在清平磷矿开拓巷道中的应用  

Application of double-pipe protecting borehole wall blasting in development laneway of Qingping Phosphate Mine

作　　者：张志呈[1] 魏有贵 

机构地区：[1]西南科技大学,四川绵阳621010 [2]四川德阳昊华清平磷矿有限公司,四川德阳618202

出　　处：《化工矿物与加工》2008年第10期28-31,共4页Industrial Minerals & Processing

摘　　要：介绍了护壁爆破原理和方法,并在清平磷矿开拓巷道和穿脉巷道试用,比较了护壁爆破与常规爆破的爆破效果。The principle and method of protecting borehole wall blasting and its application in development laneway and transverse drifts are introduced in this article. Besides, this text compares the effect of protecting borehole wail blasting and conventional blasting.

关 键 词：护壁爆破 开拓巷道 穿脉巷道 

分 类 号：TD235.3[矿业工程—矿井建设]