RESEARCH OF BUILDING MATERIALS

DATA BANK ON ACTIVATION CHARACTERISTICS OF RADIATION SHIELDING CONCRETE OF NUCLEAR PLANTS

Вестник МГСУ 2/2018 Том 13
  • Bylkin Boris Konstantinovich - National Research Centre "Kurchatov Institute" (NRC "Kurchatov Institute") Doctor of Technical Sciences, Professor, Leading Researcher, National Research Centre "Kurchatov Institute" (NRC "Kurchatov Institute"), 1 Akademika Kurchatova pl., Moscow, 123182, Russian Federation.
  • Engovatov Igor’ Anatol’yevich - Moscow State University of Civil Engineering (National Research University) (MGSU) Doctor of Technical Sciences, Professor, Professor of Construction of Heat and Nuclear Power Facilities, Moscow State University of Civil Engineering (National Research University) (MGSU), 26 Yaroslavskoe shosse, Moscow, 129337, Russian Federation.
  • Kozhevnikov Aleksey Nikolayevich - Moscow State University of Civil Engineering (National Research University) (MGSU) Candidate of Technical Sciences, Associate Professor, Leading Researcher, Department of Construction of Thermal and Nuclear Power Facilities, Moscow State University of Civil Engineering (National Research University) (MGSU), 26 Yaroslavskoe shosse, Moscow, 129337, Russian Federation.
  • Sinyushin Dmitriy Konstantinovich - AO "State Specialized Design Institute" (AO "GSPI") Deputy Head of the Department, AO "State Specialized Design Institute" (AO "GSPI"), 4 Sharikopodshipnikovskaya str., Moscow, 115088, Russian Federation.

Страницы 213-221

Subject: studies conducted in the Russian Federation and abroad have shown that the induced activity and activation characteristics of radiation shielding concretes are determined by chemical elements, concentration of which in the initial components can vary within the limits from several parts-per-thousand to percentages by mass. In turn, activated shielding structures are one of the sources of non-deactivated radioactive waste at the stage of decommissioning of nuclear plants. To reduce activity and volume of radioactive waste, the selection of compositions of shielding concretes for nuclear plants should take into account the content of activation-hazardous elements. Research objectives: the purpose of this study was to justify the necessity and possibility of creating a data bank on activation characteristics of structural and shielding materials for nuclear plants. Materials and methods: computational and experimental studies included the studies of a wide range of compositions of shielding concretes, activity and volumes of activated radioactive waste. Results: the most important chemical elements that determine the long-term induced activity of shielding concretes were identified based on the data of computational and experimental studies. The structure, content and information components of the database on activation characteristics of shielding concretes of nuclear plants were developed. Conclusions: we have justified the practical possibility of targeted selection of the least activated shielding concretes of nuclear plants at the stage of their design and construction as well as the possibility of modeling compositions of operating and decommissioned plants when performing predictive calculations of the activity of materials and volumes of radioactive waste.

DOI: 10.22227/1997-0935.2018.2.213-221

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