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Kim, Hee Reyoung
Liquid Metal Magnetohydrodynamics Lab/ Environmental Radiation Safety Lab
Research Interests
  • Environmental radiation safety
  • Electromagnetic pump
  • NPP D&D technology

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Comparison of occupational exposure according to dismantling strategy of Kori nuclear power plant unit #1 bio-shield

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Title
Comparison of occupational exposure according to dismantling strategy of Kori nuclear power plant unit #1 bio-shield
Author
Lee, ChoongWieKim, Hee ReyoungLee, Seung Jun
Issue Date
2021-07
Publisher
Pergamon Press Ltd.
Citation
ANNALS OF NUCLEAR ENERGY, v.157, pp.108227
Abstract
In this study, to evaluate the occupational exposure during dismantling of the bio-shield of the Kori nuclear power plant unit #1, the strategy and process of dismantling the concrete of the bio-shield were analyzed. Two strategies (cutting activated concrete prior to non-activated concrete and vice-versa) were analyzed with a focus on the cutting process, which differs significantly depending on the dismantling strategy, and additional costs related to the cutting equipment and disposal process were calculated accordingly. VISIPLAN was used to evaluate occupational exposure during cutting, and the exposure dose was assessed using the ALARA principle. The strategy where activated concrete was cut prior to non-activated concrete was evaluated to be 47% more inexpensive than the other strategy while satisfying the annual dose limit for workers in economic terms.
URI
https://scholarworks.unist.ac.kr/handle/201301/50167
URL
https://www.sciencedirect.com/science/article/pii/S0306454921001031
DOI
10.1016/j.anucene.2021.108227
ISSN
0306-4549
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