FIELD: explosives. SUBSTANCE: invention relates to compositions of 2-class blended explosives used for blasting operations in open-cast mines, mines, and wells employing manual or mechanized charging of bore-holes. Blended explosive contains granulated ammonium nitrate, trinitrotoluene, and coarse coal powder with particle size of 1.1-2.2 mm. Addition of water to explosive allows dusting during pneumatic transportation to be reduced. EFFECT: improved characteristics needed for pneumatic transportation. 3 cl, 2 tbl
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Authors
Dates
2002-12-10—Published
2001-03-21—Filed