International Applied Mechanics

, Volume 52, Issue 6, pp 635–642 | Cite as

Stress–Strain State and Vibrations of a Complex-Shaped Containment Shell Under Nonstationary Loads

  • P. Z. Lugovoi
  • V. B. Kritskii
  • N. I. Kritskaya

The dynamic behavior of a reinforced-concrete containment shell of a nuclear power plant under the combined effect of an internal pressure jump due to a reactor breakdown and seismic load due to a design-basis earthquake is analyzed. The finite-element method and Dipros software are used. A modal analysis is performed followed by numerical solution of the equations of motion of the containment to determine the post-accident stress–strain state of its structures. It is shown that the maximum stress intensity in the leaktight steel liner does not exceed its yield strength (i.e., the integrity of the liner is maintained, and the containment keeps performing its functions and meets the radiation safety requirements)


reinforcement-concrete containment nuclear power plant liner tendon reactor breakdown internal pressure jump seismic load of design-basis earthquake nuclear and radiation safety stress–strain state finite-element method 


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Copyright information

© Springer Science+Business Media New York 2016

Authors and Affiliations

  • P. Z. Lugovoi
    • 1
  • V. B. Kritskii
    • 2
  • N. I. Kritskaya
    • 2
  1. 1.S. P. Timoshenko Institute of MechanicsNational Academy of Sciences of UkraineKyivUkraine
  2. 2.State Scientific and Technical Center for Nuclear and Radiation SafetyKyivUkraine

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