Judging compliance of PA results against safety criteria with inherent

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梅木 博之; 内藤 守正 ; 北山 一美*; 高瀬 博康*

Umeki, Hiroyuki; Naito, Morimasa; Kitayama, Kazumi*; Takase, Hiroyasu*

本件では、地層処分の性能評価を行ううえで必要な知識に伴うあいまいさと、安全基準への適合性を判断する際の漠然性を専門家による一連の判断によって特性化し、さらに不確実性を伴う性能評価の結果を提示するための最適化について安全裕度の観点から検討を行った。

In this paper, ambiguity of our knowledge required toundertake PA and vagueness associated with the judgment of compliance to safety criteria are characterised through a seriesof expert elicitations. Furthermore optimisation of the way ofpresenting PA results with uncertainties is discussed in the light of the generalised safety margin that is defined based onpossibility theory.