Barite-containing radiation protective building materials

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Abstract


Due to the active development of industries using nuclear technology, the creation of highly effective and cost-effective building materials for protection against hazardous ionizing radiation is of increasing interest. Widespread in the field of radiation-protective building materials are barite-containing concrete. The purpose of this article is to establish the prospects of their use in nuclear facilities, as well as to find ways to improve their technical and operational characteristics. For this an analysis of relevant literature and scientific research in the field of radiation-protective materials and, in particular, barite-containing concrete was carried out. The advantages of barite-containing concrete are high radiation-protective properties, environmental friendliness, high density, as well as economic indicators. The disadvantages are high susceptibility to shrinkage deformation and poor resistance to cyclic temperature effects. The addition of barite to the concrete composition allows to increase the coefficient of linear absorption of γ-rays of the material; also, with the proper selection of the composition, such material may have strength characteristics equal to or superior to the characteristics of concrete with standard compositions. Barite-containing materials have a wide range of applications and can be used both for the production of heavy concrete in the construction of load-bearing structures and in the creation of radiation-protective coatings for walls and floors.


About the authors

Nikolay V. Novikov

National Research Moscow State University of Civil Engineering

Author for correspondence.
Email: okolnikova-ge@rudn.ru
26 Yaroslavskoe Highway, Moscow, 129337, Russian Federation

1-year postgraduate student of the Department of “Technology of Binders and Concrete” of MGSU

Svetlana V. Samchenko

National Research Moscow State University of Civil Engineering

Email: okolnikova-ge@rudn.ru
26 Yaroslavskoe Highway, Moscow, 129337, Russian Federation

Professor of the Department of “Technology of Binders and Concrete” of MGSU, Doctor of Technical Sciences, Professor

Galina E. Okolnikova

Peoples’ Friendship University of Russia (RUDN University)

Email: okolnikova-ge@rudn.ru
6 Miklukho-Maklaya St, Moscow, 117198, Russian Federation

Associate Professor of the Department of Construction of Engineering Academy of RUDN University, Candidate of Technical Sciences, Associate Professor

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Copyright (c) 2020 Novikov N.V., Samchenko S.V., Okolnikova G.E.

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