FIELD: ice-breaking equipment, in particular, blasting with the aim of destruction of ice covering. SUBSTANCE: the result is attained due to increase of bending stresses at a simultaneous blasting of explosive charges installed above and under the ice covering at a distance from one another equal half the length of the wave of ice static deflection, and preliminary formation of an air cavity under the ice covering in the points of installation of the charges above the ice. EFFECT: enhanced efficiency of ice destruction. 2 dwg
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| METHOD FOR BREAKING OF ICE COVER | 2000 |
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| ICE-BREAKING HOVERCRAFT | 2000 |
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