Probe into Bench Blasting Technology on Jiujialu Mining Area

The paper introduces the application of open-air stage deep-hole blasting in peeling of the mining area based on the practice of that in the first Jiujialu aluminum mining of Chalco's Guizhou branch,which it be done according its specific geological conditions,how to improve the safety,reliability of blasting techniques is discussed too,the order of blasting should carry out one by one in time.