FIELD: process engineering.
SUBSTANCE: invention relates to repair and can be used for cleaning the surface of concrete and reinforced concrete by abrasive means. Surface of concrete and reinforced concrete is processed by abrasive means composed by copper-smelting slags at the pressure of 7 atm for 4.0-5.0 min/m2. Consumption of abrasive equals 8-10 kg/m2 while cleaning rate makes 25-30 m2/h.
EFFECT: higher quality of cleaning.
1 tbl
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