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RESEARCH OF BUILDING MATERIALS

HIGH-QUALITY ORNAMENTAL FINE CONCRETES MODIFIED BY NANOPARTICLES OF TITANIUM DIOXIDE

Vestnik MGSU 6/2012
  • Bazhenov Yuriy Mikhaylovich - Moscow State University of Civil Engineering (National Research University) (MGSU) Doctor of Technical Sciences, Professor, Head of the Department of Technologies of Cohesive Materials and Concretes, Moscow State University of Civil Engineering (National Research University) (MGSU), 26 Yaroslavskoe shosse, 129337, Russian Federation.
  • Korolev Evgeniy Valer'evich - Moscow State University of Civil Engineering (MSUCE) Doctor of Technical Sciences, Professor, Moscow State University of Civil Engineering (MSUCE), 26 Yaroslavskoe shosse, Moscow, 129337, Russian Federation.
  • Lukuttsova Natal'ya Petrovna - Bryansk State Academy of Engineering and Technology (BSAET) Doctor of Technical Sciences, Professor +7 (4832) 74-60-08, +7 (4832) 74-05-13, Bryansk State Academy of Engineering and Technology (BSAET), 3 pr. St.-Dimitrova, Bryansk, 241037, Russian Federation; This e-mail address is being protected from spambots. You need JavaScript enabled to view it .
  • Zavalishin Sergey Iosifovich - Moscow State University of Civil Engineering (MSUCE) Candidate of Technical Sciences, Professor, Moscow State University of Civil Engineering (MSUCE), 26 Yaroslavskoe shosse, Moscow, 129337, Russian Federation.
  • Chudakova Ol'ga Andreevna - Bryansk State Academy of Engineering and Technology (BSAET) postgraduate student, +7 (4832) 74-60-08, +7 (4832) 59-56-39, Bryansk State Academy of Engineering and Technology (BSAET), 3 pr. St.-Dimitrova, Bryansk, 241037, Russian Federation; This e-mail address is being protected from spambots. You need JavaScript enabled to view it .

Pages 73 - 78

Ultrasonic method of generation of a stable suspension of nano-particles of titanium dioxide and the strengthening properties of the ornamental fine concrete that contains cement binders with a nano-dispersed additive constitute the subject of the research covered by the authors. Nanoparticles react with the basic chemical elements that compose the concrete and act as crystallization centres. Therefore, the concrete porosity is reduced, while physical and technology-related properties of the ornamental fine concrete are improved.
The authors have proven that the application of the nano-dispersed additive that contains titanium dioxide influences the processes of the structure formation in respect of fine ornamental concretes and improves the strength, as well as the water and cold resistance of fine concretes. The improvement is attributed to the dense concrete structure and strong adhesion between cement grains and between the cement and the aggregate. This conclusion is based on the data obtained through the employment of an electronic microscope used to identify the porosity of fine concretes.

DOI: 10.22227/1997-0935.2012.6.73 - 78

References
  1. Drinberg A.S., Kalinskaya T.V., Itsko E.F. Neorganicheskie pigmenty, proizvodstvo i perspektivy [Inorganic Pigments, Production and Prospects]. Lakokrasochnye materialy i ikh primenenie [Paint-and-Lacquer Materials and Application]. 2007, no. 12, pp. 20—28.
  2. Latyshev Yu.V., Lenev L.M. Tseny na TiO2 — stabil’ny!? Chego mogut zhdat’ potrebiteli etogo syr’ya? [Prices for TiO2: are They Stable!? What Can Consumers Expect of This Material?] Lakokrasochnye materialy i ikh primenenie [Paint-and-Lacquer Materials and Application]. 2007, no. 12, pp. 12—19.
  3. Lukuttsova N.P., Chudakova O.A., Khotchenkov P.V. Dekorativno-otdelochnye izdeliya na osnove nanomodifitsiruyushchey dobavki [Ornamental Finishing Products That Contain Nano-Modifiers]. Vestnik BGTU im. V.G. Shukhova [Proceedings of Voronezh State University of Technology]. 2011, pp. 67—72.

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