扇形中深孔采矿中凿岩爆破参数的试验确定及其应用  

THE TRIAL DETERMINATION AND APPLICATION OF DRILLING AND BLASTING PARAMETER IN FAN-LENGTH HOLE MINING

作　　者：肖雄[1] 余佑林[1] 

机构地区：[1]中南大学,湖南长沙410083

出　　处：《中国钼业》2002年第1期11-14,共4页China Molybdenum Industry

摘　　要：在扇形中深孔采矿中 ,采用单孔爆破漏斗试验 ,变孔距多孔同段爆破试验与斜面台阶爆破试验相结合 ,确定凿岩爆破参数。实践表明 ,大块率低 ,爆破效果好 ,出矿能力大 ,经济效益明显 ,试验确定的凿岩爆破参数准确。In fan shaped medium length hole mining,drilling and blasting parameter was determined by such tests as single crater blasting,multiple hole simultaneous initiation with changing hole distance and inclined bench blasting.It was practically demonstrated that boulder frequency was reduced and blasting effect was improved,and further,scraper capacity was increased and economical benefit was elevated.In a conclusion,the drilling and blasting parameter decided by industrial test was accurate and practical.

关 键 词：扇形中深孔 爆破漏头 凿岩爆破参数 工业应用 

分 类 号：TD235[矿业工程—矿井建设]