FIELD: mining industry. SUBSTANCE: method for rock disintegration consists in disintegration of rock mass by combined action of gas pressure in evaporation of cryogenic fluid and shock waves produced in physical explosion from impact contact of cryogenic fluid with water. Phenomenon of physical explosion known only in emergencies, for the first time is applied in mining industry. EFFECT: higher efficiency. 4 dwg
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Authors
Dates
1995-01-20—Published
1992-12-30—Filed