FIELD: mining industry, applicable for destruction of rocks by a blast, mainly when opening the workings. SUBSTANCE: explosive charge in the blast-hole is initiated by a high-speed impact of a solid body having the shape of a cylinder made of ceramics, cement, phosphogypsum and other equivalent materials. EFFECT: enhanced efficiency, reduced specific consumption of explosive, enhanced safety. 3 dwg
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CHARGE OF IMPACT INITIATION | 1992 |
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Authors
Dates
1997-09-27—Published
1993-08-25—Filed