METHOD FOR FORMATION OF BOREHOLE EXPLOSIVE CHARGE FOR IMPLEMENTATIO OF MASS BLASTING

摘要

The invention relates to mining industry and can be used at formation of borehole charges for implementation of mass blasting. A method for formation of borehole explosive charge for implementation of mass blasting includes charging active part of borehole with explosive charge, with filling passive part of well with inert material in elastic water-impermeable shell and initiation of well charge. As inert material one uses mix of liquid and solid components with density close to density of rock that is in the upper part of the ledge. The technical result is in formation in passive part of well of filling of inert materials density of which makes it possible to provide needed locking of explosion products of borehole explosive charge in active part of borehole during time enough for explosion products to destroy rock to distortion of continuousness of filling, as result of that increase of quality of breakage of rocks is increased, especially in the upper part of ledge, with decrease of outburst of harmful gases and dust masses to environment.