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This article discusses an approach to improve blasting efficiency in an iron ore mine. The mine was experiencing problems with oversized fragmentation, severe backbreaking, and the need for frequent secondary drilling and blasting. The researchers analyzed blasting practices and results over one year to identify key parameters affecting efficiency, such as burden, stemming length, delay periods, placement of booster charges, booster ratios, and firing patterns. Optimal blast geometry was developed through t

Author

Jennifer Gordon

Language

EN