Izvestiya vuzov. Yadernaya Energetika

The peer-reviewed scientific and technology journal. ISSN: 0204-3327

Damping Structures as Part of the Protective Shells of Nuclear Fuel Cycle Facilities

6/15/2021 2021 - #02 Global safety, reliability and diagnostics of nuclear power installations

Sobolev A.V. Oleynikov S.A.

DOI: https://doi.org/10.26583/npe.2021.2.08

UDC: 621.039.586

The material considers the threat of falling or hitting a flying object (aircraft, rocket, unmanned vehicle, object raised by a hurricane, cargo being moved) at the enterprises of the nuclear industry. Such enterprises can include both nuclear power units and enterprises for nuclear fuel production, reprocessing or storage of spent nuclear fuel or radioactive waste. The consequences of such impacts can be catastrophic. It is indicated that taking into account the prospects for the development of nuclear energy and the increase in the number of facilities working with radioactive substances, these dangers will become increasingly significant.

The timeload dependences of different types of aircraft are presented, as well as methods and recommendations for their accounting in the calculations of protective shells according to the standards of the IAEA and other sources. The types and features of protective shells for nuclear fuel cycle facilities and their disadvantages are described. The features of the processes occurring under shortterm dynamic loads with rigid monolithic concrete structures are described. These processes can lead to the failure of equipment working with radioactive substances.

The idea of creating damping, collapsing structures as part of the protective shell, which will absorb part of the kinetic energy due to their destruction and reduce the impulse loads on the equipment caused by the oscillatory process following the impact, is presented. A qualitative analysis of this approach is performed from the point of view of ensuring protective properties and economic feasibility.


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safety of nuclear fuel cycle facilities impact of the flying body beyond design basis accident aircraft crash protective shell damping structures

Link for citing the article: Sobolev A.V., Oleynikov S.A. Damping Structures as Part of the Protective Shells of Nuclear Fuel Cycle Facilities. Izvestiya vuzov. Yadernaya Energetika. 2021, no. 2, pp. 83-94; DOI: https://doi.org/10.26583/npe.2021.2.08 (in Russian).