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RESEARCH OF BUILDING MATERIALS

Investigation of the effect of additives on the basis of pickling solutions containing iron salts on the structure and strength of fine concrete

Vestnik MGSU 1/2016
  • Lukuttsova Natal’ya Petrovna - Federal State Educational Institution of Higher Education Bryansk State Technological University of Engineering Doctor of Technical Sciences, Professor, chair, Department of Building Structures Production, Federal State Educational Institution of Higher Education Bryansk State Technological University of Engineering, prospekt Stanke Dimitrova str., Bryansk, 241037, Russian Federation; This e-mail address is being protected from spambots. You need JavaScript enabled to view it .
  • Pashayan Ararat Aleksandrovich - Federal State Educational Institution of Higher Education Bryansk State Technological University of Engineering Doctor of Chemical Sciences, Professor, chair, Department of Chemistry, Federal State Educational Institution of Higher Education Bryansk State Technological University of Engineering, prospekt Stanke Dimitrova str., Bryansk, 241037, Russian Federation; This e-mail address is being protected from spambots. You need JavaScript enabled to view it .
  • Khomyakova Ekaterina Nikolaevna - Federal State Educational Institution of Higher Education Bryansk State Technological University of Engineering postgraduate student, Department of Building Structures Production, Federal State Educational Institution of Higher Education Bryansk State Technological University of Engineering, prospekt Stanke Dimitrova str., Bryansk, 241037, Russian Federation; This e-mail address is being protected from spambots. You need JavaScript enabled to view it .

Pages 94-104

The modern tendencies of construction industry development are connected with the use of new high-efficient materials with the application of resource- and energy-saving technologies of their generation. The use of industrial man-made products as the components improving the characteristics of construction products is now a promising field of research. The article presents the results of the use of waste pickling solutions of steel rolling factories, containing salts of iron as nanomodified additives for the products based on cement binder. The effectiveness of the influence of the considered additives on the structure and strength of fine-grained concrete is shown. If using this additive in the amount of 0.32 % from the mass of cement for 28 days of natural hardening, the fine concrete strength is growing by 1.8 times due to additional formation of hydrosilicates, densification of structure and reduction of the total porosity of the cement system by 2 times.

DOI: 10.22227/1997-0935.2016.1.94-104

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