Abstract
In this paper indicators of the quality of activated aluminum, proposed for use as a poreforming agent in the production of cellular concrete with complex porisation are presented. The efficiency of ultrasonic homogenization of the poreforning agent in the presence of a mineral modifier of cellular concrete which provides high stability of the suspension in time is substantiated.
Highlights
Non-autoclaved hardening cellular concrete is one of the leaders of modern effective heatinsulating materials
Aluminum paste STAPA Alupor manufactured by limited liability company "Eckart". (Table 1), nanodispersed (Table 2) and activated aluminum AA-T/7 produced by limited liability company "Ecoenergotech" obtained on the basis of ASD-4 aluminum powder (Table 3)
Analysis of the granulometry of aluminum components indicates a greater dispersion of activated aluminum AA-T/7 and nanodispersed gassing agent (NDG) compared to aluminum paste
Summary
Non-autoclaved hardening cellular concrete is one of the leaders of modern effective heatinsulating materials. It is known that the use of such pastes together with foaming agents is practically impossible, since the paste shell adversely affects the foaming processes. These gassing agents have an "explosive" character of gas release: a large volume of gas in a short time. In the works performed in BSTU named after V.G. Shukhov [1,2,3] the possibility of using an unconventional nanodispersed gassing agent (NDG) for obtaining low-density heatinsulating foam gas concrete, the use of which excludes the stated drawbacks of aluminum powder and allows to obtain products of required quality
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