Title: The proper filling confirmation of the cavities in massive concrete structures of nuclear power plants by impact-echo method
Authors: Morávka, Štefan
Citation: Applied and Computational Mechanics. 2007, vol. 1, no. 1, p. 185-192.
Issue Date: 2007
Publisher: University of West Bohemia
Document type: článek
URI: http://www.kme.zcu.cz/acm/old_acm/full_papers/acm_vol1no1_p022.pdf
ISSN: 1802-680X (Print)
2336-1182 (Online)
Keywords: jaderná elektrárna;betonové struktury;metoda impact-echo;šíření vln;numerická simulace;technická diagnostika
Keywords in different language: nuclear power plant;concrete structures;impact-echo method;waves propagation;numerical simulation;technical diagnostics
Abstract: Nuclear power plants (NPP) are duty to certify their security for renewal of operating license. Security can be significantly affected by defects of ageing concrete reinforced structures. The methods, how to do in-service inspections of these aging structures of NPP more quickly, cheaply and reliably, are still being looking for. Advanced Impact-Echo method seams to be very hopeful. This paper is a part of extensive project and continues a number of papers published in Czech as well as in foreign. It brings a method description and a main results survey of the numerical modeling of the detection of grouted (repaired) voids in massive concrete structures. Cavities are filled by grouting polyurethan compound CarboPur WF. We try to find out if it is possible or impossible to confirm simply, by Impact-Echo method, if cavities have been filled properly. Consequently, these numerical predictions will be verified on real (scaled 1:1) specimens in NRI Řež as a part of this project as well.
Rights: © 2007 University of West Bohemia. All rights reserved.
Appears in Collections:Volume 1, number 1 (2007)
Články / Articles (MDP)
Volume 1, number 1 (2007)

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