METHOD FOR EXECUTING BLASTHOLE DRILLING

摘要

A method for executing blasthole drilling, comprising drilling a borehole, loading a charge and exploding it, characterized in that the explosive operation is carried out in 2 steps: a borehole of a small diameter is initially drilled and filled with water containing active addition agents, a primary charge is loaded and exploded, then in the destruction zone formed in the shape of quasi holes and fissures a main charge is further introduced and exploded, wherein a liquid explosive matter is used as the main charge.