CRUDE MIXTURE FOR MAKING LIGHT CONCRETE Russian patent published in 2013 - IPC C04B38/08 

Abstract RU 2473517 C1

FIELD: chemistry.

SUBSTANCE: invention relates to the industry of building materials and can be used in producing light concrete and articles for heat insulation and structural purposes, particularly for making wall blocks from light concrete for low-height construction. The crude mixture for making light concrete contains the following, vol. %: portland cement 11.8-21.4, expanded vermiculite from the Tatar deposit, Krasnoyarsk region, with predominant content of magnesium oxide and high degree of vermuculitisation, said expanded vermiculite being used in two fractions in ratio of 1:1, one of the fractions being 2 mm with packed density of 90-100 kg/m3, and the other being 1.25 mm with packed density of 120-160 kg/m3 53.4-58.8, plasticising additive - Polyplast or Centrament 0.01-0.15, water - the balance.

EFFECT: high strength and environmental friendliness of technologically simple articles made from light concrete.

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RU 2 473 517 C1

Authors

Vasilovskaja Nina Grigor'Evna

Endzhievskaja Irina Gennad'Evna

Egorov Evgenij Nikolaevich

Dates

2013-01-27Published

2011-08-17Filed