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Blasting is an integral part of excavation in the field “Progorelica”. The quality of blasted material depends on proper selection of drilling and blasting operations, why the arrangement of boreholes and quantity of explosives need to be determined so that the effect of explosion is in the range r/W <0.75, i.e. without creating a large explosion funnel, but rather weakening it.

Selection the optimal parameters of drilling and blasting operations at the open pit of stone coal 'Progorelica' - Baljevac