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ISSN : 1738-1894(Print)
ISSN : 2288-5471(Online)
ISSN : 2288-5471(Online)
사용후핵연료 습식저장 시설의 중대사고 안전성 검토
Safety Review of Severe Accident Senario for Wet Spent Fuel Storage Facility
Abstract
When the Fukushima nuclear power plant accident occurred in March of 2011, a hydrogen explosion in the reactor building at the 4th unit of Fukushima plants led to a big surprise because the full core of the unit 4 reactor had been moved and stored underwater at the spent nuclear fuel storage pool for periodic maintenance. It was because the possible criticality in the fuel storage pool by coolant loss may yield more severe situation than the similar accident happened inside the reactor vessel. Fortunately, it was assured to be evitable to an anxious situation by a look of water filled in the storage pool later. In the paper, the safety state of the spent fuel storage pool and rack structures of the domestic nuclear plants would be roughly reviewed and compared with the Fukushima plant case by engineering viewpoint of potential severe accidents
중대사고, 핵연료건물, 사용후핵연료저장대, 내진안전성, Severe Accident, Fuel Building, Spent Fuel Storage Rack, Seismic Safety
Reference
JNFCWT
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Korean Radioactive
Waste Society (KRS)
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