METHOD OF TREATING FILLER FOR HEAVY CONCRETES Russian patent published in 1997 - IPC

Abstract RU 2081081 C1

FIELD: manufacture of building materials. SUBSTANCE: in order to obtain dense filler with strong ragged surface, heated filler is treated with high-molecular substance (polyvinylbutyral) mixed with quartz sand and treatment is carried out under vibration. EFFECT: increased contact surface and compression and tensile strength of concrete. 1 tbl

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RU 2 081 081 C1

Authors

Ushakov V.V.

Eliseeva L.I.

Dates

1997-06-10—Published

1994-08-03—Filed