深孔松动控制爆破技术在顺层路堑边坡开挖中的应用  

APPLICATION OF LONG-HOLE LOOSE CONTROLLED BLASTING TECHNIQUE IN EXCAVATING CONSEQUENT BED CUTTING SLOPE

作　　者：白云峰[1] 任良宗 陈勇 

机构地区：[1]焦作工学院,焦作454000 [2]中铁三局建安处,太原030006

出　　处：《中国矿业》2004年第8期59-61,共3页China Mining Magazine

摘　　要：在复杂环境顺层路堑开挖施工中运用深孔松动控制爆破技术 ,通过优化爆破参数与装药结构 ,采用孔内外延期非电微差起爆技术 ,选取合理的松动作用方向和最小抵抗线方向 ,严格控制最大一段起爆药量 ,并采取有效的安全技术措施 ,取得了较好的爆破效果。It is introduced that the application of long hole loose blasting technique in excavating unstable rock bedding slope under the complicated environment at the Chongqing～Huaihua Railway.According to the characteristics and environment of this engineering project,through optimum seeking appreciative parameters of loose blasting and slope smooth blasting,loading method,using a blasting network of in-hole and out-hold millisecond delay,choosing the directions of minimum burden and loose blasting,controlling every delayed detonating change and taking effective safety measures,the blasted flying rocks and blasting vibration have been controlled successfully.

关 键 词：深孔松动爆破 顺层边坡 路堑开挖 

分 类 号：TD235.33[矿业工程—矿井建设]