Purpose. Ore mining involves the destruction of large volumes of hard rocks, which requires preliminary fragmentation by using drilling-and-blasting operations. Therefore, special attention is paid to the ...

The analysis and systematization of geodynamic conditions of underground mining of ore deposits in Ukraine is executed. The issue of description of natural condition of rocks in world practice is enclosed.

The analysis of experience of emulsion explosives application for the last 10 years has allowed to establish a tendency for increasing in their usage on underground mining operations. Safety of ...