定向抛掷爆破筑坝技术在峪耳崖金矿的应用  

Application of Directional Pinpoint Blasting to Build Dam Technology in Yu′er Cliff Gold Mine

作　　者：魏兆云 陈国山[2] 

机构地区：[1]中金黄金股份有限公司河北省峪耳崖金矿,宽城067601 [2]吉林电子信息职业技术学院,吉林132021

出　　处：《爆破》2009年第1期54-57,共4页Blasting

摘　　要：简述了定向爆破筑坝技术在峪耳崖金矿的应用情况,说明了在一定的地形地质条件下应用定向抛掷爆破技术筑坝,可大大地降低综合成本,减少总投资,加快施工速度,缩短工期,实为一种多快好省的筑坝方法。The application situation of the directional blasting to build dam technology in Yu＇er Cliff gold mine was summarized. It shows that the application of directional pinpoint blasting to build dam technology in certain terrain geological condition can reduce largely the combined costs and total investment, and speed up the construction and reduce erection time. It is actually greater faster better and more economical method.

关 键 词：定向抛掷爆破 最小抵抗线 爆破作用指数 起爆网络 破裂半径 

分 类 号：TD235.31[矿业工程—矿井建设]