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http://dx.doi.org/10.7733/jnfcwt.2016.14.4.385

Comprehensive Development Plans for the Low- and Intermediate-Level Radioactive Waste Disposal Facility in Korea and Preliminary Safety Assessment  

Jung, Kang Il (Korea Radioactive Waste Agency)
Kim, Jin Hyeong (Korea Radioactive Waste Agency)
Kwon, Mi Jin (Korea Radioactive Waste Agency)
Jeong, Mi Seon (Korea Radioactive Waste Agency)
Hong, Sung Wook (Korea Radioactive Waste Agency)
Park, Jin Beak (Korea Radioactive Waste Agency)
Publication Information
Journal of Nuclear Fuel Cycle and Waste Technology(JNFCWT) / v.14, no.4, 2016 , pp. 385-410 More about this Journal
Abstract
The disposal facility in Gyeongju is planning to dispose of 800,000 packages of low- and intermediate- level radioactive waste. This facility will be developed as a complex disposal facility that has various types of disposal facilities and accompanying management. In this study, based on the comprehensive development plan of the disposal facility, a preliminary post-closure safety assessment is performed to predict the phase development of the total capacity for the 800,000 packages to be disposed of at the site. The results for each scenario meet the performance target of the disposal facility. The assessment revealed that there is a significant impact of the inventory of intermediate-level radionuclide waste on the safety evaluation. Due to this finding, we introduce a disposal limit value for intermediate-level radioactive waste. With stepwise development of safety case, this development plan will increase the safety of disposal facilities by reducing uncertainties within the future development of the underground silo disposal facilities.
Keywords
Low-and intermediated radioactive waste; Complex disposal facility; Safety case; Optimization strategy;
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