METHOD FOR DRILL-BLAST BREAKAGE OF ROCKS AT PENETRATION OF MINE WORKINGS

Method for drill-blast breakage of rocks at penetration of mine workings in breakage cycles includes drilling of blast holes near the base of the working with placement in rows of trench holes, central and contour breakage holes placed symmetrically with respect to the vertical axis of the working,...

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Bibliographische Detailangaben
Hauptverfasser:	POPOV STANISLAV OLEHOVYCH, KOSOLAP PAVLO PAVLOVYCH, MORHUN OLEKSANDR VALENTYNOVYCH
Format:	Patent
Sprache:	eng
Schlagworte:	AMMUNITION BLASTING EARTH DRILLING FIXED CONSTRUCTIONS HEATING LIGHTING MECHANICAL ENGINEERING MINING MINING OR QUARRYING WEAPONS
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