FIELD: chemistry.
SUBSTANCE: invention relates to the industry of construction materials and specifically to making foamed concrete. The crude mixture for making foamed concrete contains the following, wt %: cement 29.0-31.0, thermal power plant flue ash with specific surface area of 2800-5000 cm2/g 20.0-26.0, extraction-rosin air-entraping resin 0.11-0.17, carboxymethyl cellulose 0.02-0.03, superplasticiser S-3 1.0-1.4, lye change 0.2-0.3, ground quartz sand with specific surface area of 5000-6000 cm2/g 14.0-16.0, water - the rest.
EFFECT: low cement consumption.
1 tbl
Authors
Dates
2012-03-20—Published
2010-11-09—Filed