FIELD: mining.
SUBSTANCE: method includes arrangement of charges in bore pits and excitation of exothermic reaction without explosion by device initiating its inflammation. The charge is a mixture of the following components with the specified proportion, wt %: aluminium or magnesium or alloys based on them - 20.0-32.0; metal oxide or mixture of metal oxides - 64.0-75.0; phenolic-formaldehyde resin or its solutions; or butadiene-nitrile rubber or its solutions; or aqueous solutions silicates - 3.0-6.0.
EFFECT: invention allows to perform works for destruction of solid bodies in any direction without additional sealing of charges in bore pits and improve safety upon destruction of solid bodies due to reduction of gaseous products blowout.
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Authors
Dates
2012-07-27—Published
2011-01-12—Filed