大型露天矿山边坡控制爆破与降振技术  

Controlled Blasting and Vibration Reduction Technology for Slopes of Large Open-pit Mines

作　　者：黄克磊 HUANG Kelei(Jiangxi Copper Industry Civil Explosive and Mining Service Co.,Ltd.of Jiangxi Copper Corporation Limited,Dexing 334200,China)

机构地区：[1]江西国泰集团江西铜业民爆矿服有限公司,江西德兴334200

出　　处：《矿业工程》2024年第1期17-20,共4页Mining Engineering

摘　　要：针对大孔径大规模爆破,爆破振动危害效应大等问题,提出基于某大型露天金属矿复杂环境下的边坡控制爆破,通过采取降低台阶分层高度,缩小炮孔直径,炮孔进行分段间隔装药来控制单孔药量,并通过电子雷管逐孔起爆技术,计算机模拟起爆网路手段和预裂爆破技术等方式,达到降振效果。通过振动监测和边坡位移监测结果显示,采用这些降振技术可以尽可能减小爆破振动;同时总结出了该矿山的爆破振动规律和回归曲线,能够为复杂环境的控制爆破提供参考。In response to the problems such as large hazardous effects of blasting vibration in large-scale blasting with large aperture,based on the slope control blasting in a complex environment of a large open-pit metal mine,the single-hole charge is controlled by reducing the height of the sub-bench,reducing the diameter of the blast hole,and charging the blast holes at segmented intervals.The vibration reduction effect is achieved through electronic detonator hole-by-hole detonation technology,computer simulation detonation network method,and pre-splitting blasting technology.The results of vibration monitoring and slope displacement monitoring show that the blasting vibration can be reduced as much as possible by using these vibration-reduction technologies.At the same time,the blasting vibration pattern and regression curve of the mine are summarized,which can provide reference for the controlled blasting in complex environments.

关 键 词：边坡爆破 大孔径爆破 间隔装药 逐孔起爆 

分 类 号：TD235[矿业工程—矿井建设]