Concrete mixture

FIELD: construction.

SUBSTANCE: concrete mixture comprises, pts. wt.: Portland cement - 1; marble aggregate fraction 2-8 mm. or granite chips of fraction 2-8 mm - 1-1.5; 3% hydrogen peroxide solution - 0.01-0.02; quartz sand - 1-1.5, at water-cement ratio of 0.6-0.65.

EFFECT: increase of strength.

1 tbl

 

The invention relates to the construction materials industry, in particular the production of concrete tiles for floors.

Famous concrete mixture comprising, by weight.h: cement (Portland cement) 1; marble aggregate fractions 2-8 mm or granite chips fractions 2-8 mm 2 [1].

The objective of the invention is to improve durability tiles derived from the concrete mixture.

The technical result is achieved by the fact that the concrete mix including Portland cement, marble chips fractions 2-8 mm or granite aggregate fractions 2-8 mm, additionally contains a 3% solution of hydrogen peroxide and silica sand in the following ratio, wt.h: Portland 1; marble aggregate fractions 2-8 mm or granite chips fractions 2-8 mm 1-1,5; 3% hydrogen peroxide solution 0,01-0,02; quartz sand 1-1,5, with water-cement ratio 0,6-0,65.

The composition of concrete mixtures are given in the table.

ComponentsContent, wt.h:
composition No. 1composition No. 2composition No. 3composition No. 4
Portland cement (M500) 1111
Marble aggregate fractions 2-8 mm11,5--
Granite crumb fraction 2-8 mm--11,5
3% solution of hydrogen peroxide0,010,020,010,02
Quartz sand11,511,5
Water / cement ratio0,60,650,60,65

The components are metered in the desired quantities and mix. Prepared concrete mixture is placed in a metal (pre-lubricated with mineral oil) forms and allowed to cure. The hardness of the tile (aged 28 days) on the compression will be 9-12 MPa.

the source of information

1. The Sagalovich I. A. and other New technology of finishing works. - Mn.: GOS. publishing house of the BSSR, 1960. S. 28-29.

Concrete mix including Portland cement, marble chips fractions 2-8 mm or granite aggregate fractions 2-8 mm, characterized in that it further contains 3% hydrogen peroxide solution and quartz sand in the following ratio, wt.h: Portland 1; marble aggregate fractions 2-8 mm or granite chips fractions 2-8 mm 1-1,5; 3% hydrogen peroxide solution 0,01-0,02; quartz sand 1-1,5, with water-cement ratio from 0.6 to 0.65.



 

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