The problem of corrosion and protection of embedded parts in large -panel buildings is very relevant in the laboratory. Data on the corrosion rate of steel in the joints was obtained, which made it possible to significantly reduce the volume of special anti -corrosion protection of embedded parts with zinc coatings.
A method of increasing the resistance of protective coatings from aluminum has also been developed. Aluminum coatings used instead of zinc, can protect embedded parts in autoclave firmware panels, steel structures in chemically aggressive, including sour, media, etc. p. At the same time, almost three -time saving of non -ferrous metal is achieved and the cost of protecting embedded parts is significantly reduced. Large prospects are associated with the development and introduction of combined (metallic-lacquers) coatings, first proposed by the laboratory to protect steel structures in domestic construction, in particular, embedded parts of industrial buildings.
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These coatings, if stainless steel, are perhaps the most durable systems from known and available in mass construction. Studies in the field of standardization of signs of aggressiveness of the media are carried out in two main areas: 1) the justification, clarification and development of the norms of water aggressiveness to concrete; 2) the study of deformative and other properties of cement materials in gas environments. The first norms of aggressiveness of water-environment were compiled in 1937. Then only quantitative changes were made to these norms.