FIELD: manufacture of building materials; manufacture of cellular materials on base of mineral binders.
SUBSTANCE: proposed method includes measurement of indentation depth Hi of conical indenter in mix at fixed interval of time. Height of indenter is no less than 300 mm and its mass ranges from 200 to 300 g. Determination of plastic strength (τ) of foam concrete mix at varying content of foaming agent in it is carried out according to the following formula: τ=kP(Hi)2, where P is mass of cone with sliding rod, g; k is coefficient dependent on cone vertex angle.
EFFECT: improved operating characteristics of foam concrete obtained from homogeneous foam concrete mixes at correct consumption of foaming agent.
1 dwg
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