The effect of rock mass characteristics on blasthole ...
Dec 01, 1997 · misc{etde_606030, title = {The effect of rock mass characteristics on blasthole deviation} author = {Singh, S P} abstractNote = {Blasthole deviation has a negative economic impact on mining operations. The influence of rock geology on blasthole trajectory deviation is examined. Field work dealing with visible half barrels in underground drifting and breasting .