Abstract:One of the adverse consequences of the blasting in the mineral extraction process in mines is back-break (BB) so that development of many fractures and cracks at large distances behind the last row of blast pits reduces the safety of the benches and increases operating costs. Since various parameters affect the BB, various techniques have been developed to predict and optimize its values. In this study, 48 blasts were investigated in Gol Gohar Mine No. 1 in the tailings section of the mine to predict BB based … Show more
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