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This document discusses the optimization of long-hole raise blasting (LHRB) in underground mining, focusing on the impact of drilling deviations on blasting efficiency. The authors present theoretical analyses and numerical models to assess how drilling inaccuracies affect different blasting modes, ultimately proposing an optimized strategy that enhances performance in practical applications. Field tests conducted at the Panlong lead-zinc mine demonstrate the feasibility and effectiveness of the optimizatio

Author

a1953017

Language

EN