In providing justification for the operational safety of RBMK-1000 power units with graphite stack distortion, earthquake resistance tests were performed on a full-scale model of RBMK graphite stack under seismic platform conditions. The tests were performed for three mutually perpendicular axes of the model successively for seismic loads corresponding to magnitudes 6, 7 and 8 on the MSK-64 scale. The tests confirmed the earthquake resistance of the graphite stack for prescribed loads. The results were used to verify the FEMGR code (Kurchatov Institute) and the LEGAK-DF finite-element software system (RFYaTs – VNIIEF) for purposes of computational validation of the earthquake resistance of the post-repair restored RMBK-1000 core.
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References
MSK-64, MSK Earthquake Magnitude Scale, Moscow (1964).
NP 031–01, Design Norms for Earthquake-Resistant Nuclear Power Plants, Moscow (2001).
PNAEG-7-002–86, Norms for the Calculation of the Strength of Equipment and Pi** in Nuclear Power Installations, Moscow (1989).
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A. A. Romenkov is deceased
Translated from Atomnaya Énergiya, Vol. 123, No. 5, pp. 293–296, November, 2017.
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Evropin, S.V., Baranov, I.M., Novikov, V.S. et al. Experimental Validation of the Earthquake Resistance of a Full-Scale Model of RBMK-1000 Graphite Stack with Post-Repair Characteristics. At Energy 123, 355–357 (2018). https://doi.org/10.1007/s10512-018-0352-2
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DOI: https://doi.org/10.1007/s10512-018-0352-2