FIELD: cement concrete manufacturing.
SUBSTANCE: cement concrete filler is activated by application of liquid glass solution on its surface using liquid glass solution with density of 1.25-1.50 g/cm3 in amount ≤3 % in respect to filler mass. Application of liquid glass solution on the surface of fine filler is carried out by spraying in blade blender following by treatment in rod-type blender with specific supplied power of 1-6 kW.h to 1 t of filler. Curing is carried out by heat treatment at 60-2500C or holding at room temperature.
EFFECT: cement stone of increased cohesive resistance with filler and cement concrete of improved quality.
3 cl, 2 tbl
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