FIELD: machine building.
SUBSTANCE: invention relates to building and maintenance of ice crossings, rinks, platforms. Method of freezing a crack in ice coating involves filling said crack with granulated ice. Ice granules with an oval-spherical shape are introduced into a crack in layers using pneumatic transportation of air with temperature from minus 2 to minus 5 °C or lower. Air pressure in nozzle is 12-28 % higher than depth of immersion of nozzle.
EFFECT: use of present invention provides a dense structure filled with granular oval-spherical ice crack lumen throughout its height during freezing cracks in on surface of crossing.
1 cl, 2 dwg
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