HIGH STRENGTH CONCRETE Russian patent published in 2023 - IPC C04B28/04 

Abstract RU 2801191 C1

FIELD: building materials.

SUBSTANCE: invention is recommended for the manufacture of structures made of concrete or monolithic construction of industrial, civil and special purposes. High-strength concrete obtained from a mixture including wt.%: Portland cement 18.32-19.42; sand with fineness modulus 2.1 30.16-30.56; crushed granite fraction 3-10 mm 39.89-40.39; complex reactive stabilizer with D=0.750 g/cm3, pH=8.3, consisting of the following components, wt.%: blast-furnace metallurgical slag with a specific surface, S=470 m2/kg, 81.06-82.00; aluminous cement 15.35-16.2; methylcellulose 1.05-1.10; polycarboxylate polymer 1.60-1.64, 3.30-3.39; an aqueous solution of a complex chemical additive, p=1.047 g/cm3, pH=6.8, consisting of the following components, wt.%: polycarboxylate polymer 37.74-39.00; macromolecular compound 5.40-5.66; silicon dioxide nanodispersions 22.30-22.64; calcium nitrite 14.80-15.09; calcium nitrate 18.50-18.87; water 7.09-7.16.

EFFECT: increased mobility, reduced delamination of the self-compacting concrete mixture and creation of concrete based on it with increased compressive strength and increased tensile strength in bending.

1 cl, 2 tbl

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RU 2 801 191 C1

Authors

Benin Andrej Vladimirovich

Soloveva Valentina Yakovlevna

Stepanova Irina Vitalevna

Shvarts Filipp Mikhajlovich

Stepanov Artemij Vladimirovich

Dates

2023-08-03Published

2023-02-01Filed