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Alekseev Vyacheslav Aleksandrovich -
Moscow State University of Civil Engineering (National Research University)
head of laboratory, Department of Binding Agents and Concrete Technology, Moscow State University of Civil Engineering (National Research University), 26 Yaroslavskoe shosse, Moscow, 129337, Russian Federation;
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Kharchenko Igor’ Yakovlevich -
Research and Development Institute of Expert Evaluation and Engineering, Moscow State University of Civil Engineering (National Research University) (MGSU)
Doctor of Technical Sciences, Head of Division, Research and Development Institute of Expert Evaluation and Engineering, Moscow State University of Civil Engineering (National Research University) (MGSU), 26 Yaroslavskoe shosse, Moscow, 129337, Russian Federation;
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Kharchenko Aleksey Igorevich -
LLC GORGEOSTROY
Candidate of Technical Sciences, director general, LLC GORGEOSTROY, 11/10, building 1 Letnikovskaya str., 5th floor, room 21,Moscow, 115114, Russian Federation;
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Bazhenova Sof’ya Il’darovna -
Moscow State University of Civil Engineering (National Research University)
Candidate of Technical Sciences, Associate Professor, Department of Binding Agents and Concrete Technology, Moscow State University of Civil Engineering (National Research University), 26 Yaroslavskoe shosse, Moscow, 129337, Russian Federation;
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Beterbiev Adam Said-Emievich -
Moscow State University of Civil Engineering (National Research University)
Master student, Department of Soil Mechanics and Geotechnics, Moscow State University of Civil Engineering (National Research University), 26 Yaroslavskoe shosse, Moscow, 129337, Russian Federation;
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Sprayed-on concrete is a special type of concrete using which structures are created by spraying a concrete mix on the surface under compressed air. This technology may be used in the construction of spatial structures. There is a method to increase the quality parameters of a concrete mix by modification of the used binder. The authors considered the aspects of sprayed-on modified concrete mixes application for underground structures. It is also possible to apply them for repair and reinforcement of concrete structures, protective coatings. The authors investigated the influence of nanomodified particles with individual hydraulicity with conventional diameter up to 100 nm on the properties of sprayed-on-concrete mix. The structure-formation kinetics of sprayed-on-concrete is observed depending on the additive activity and average diameter of particles. The effectiveness of the applied additive is proved, as well as the increase of technological, physical and mathematical and operational features of the obtained sprayed-on concrete.
DOI: 10.22227/1997-0935.2016.11.48-58