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OPTIMIZATION METHOD FOR STIE RESTORATION OF DECOMMISSIONING OF NUCLEAR FACILITY
OPTIMIZATION METHOD FOR STIE RESTORATION OF DECOMMISSIONING OF NUCLEAR FACILITY
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机译:核设施退役中刚体恢复的优化方法
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摘要
The present invention relates to an optimization method for restoring a site where nuclear facilities are decommissioned, which is capable of reducing an amount of wastes which need to be removed when the site is restored and reducing time and cost required to restore the site. The optimization method comprises: a pollution distribution analyzing step of analyzing spatial correlation of a pollution distribution at each depth of the site by using samples collected to restore the site; a site restoring step of evaluating the pollution distribution at each depth, and removing pollution which exceeds open acceptance criteria; a local pollution detecting step of detecting the characteristics of local pollution in the site by applying a multi-agency radiation survey and site investigation manual (MARSSIM) methodology in order to inspect the characteristics of local pollution (hot spot) remaining after the site restoring step; and an open suitability confirming step of evaluating whether the characteristics of local pollution satisfy the open acceptance criteria by performing a Wilcoxon rank sum (WRS) test that is a rank verification method in order to verify that a null hypothsis (a residual pollution level exceeds the open acceptance criteria) is rejected with respect to the characteristics of local pollution.
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