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Development of structural codes for JSFR based on the system based code concept

システム化規格概念に基づくJSFR向け構造規格の開発

浅山 泰; 若井 隆純; 安藤 勝訓; 岡島 智史; 永江 勇二; 高屋 茂; 鬼澤 高志; 月森 和之; 森下 正樹

Asayama, Tai; Wakai, Takashi; Ando, Masanori; Okajima, Satoshi; Nagae, Yuji; Takaya, Shigeru; Onizawa, Takashi; Tsukimori, Kazuyuki; Morishita, Masaki

本報は、JSFRの構造規格基準開発に係る活動を概観したものである。ナトリウム冷却型高速炉の特徴を最大限に生かすために、設計$$sim$$維持において必要となる一連の規格、すなわち、溶接規格、維持規格、破断前漏えい(LBB)評価規格、静的機器構造信頼性評価ガイドラインをシステム化規格概念に基づき体系的に開発している。これらの規格を日本機械学会規格として2016年を目途に発刊することを目指している。

This paper overviews the ongoing research and development as well as activities for codification of structural codes for the Japan Sodium Cooled Fast Reactor (JSFR). Not only the design and construction code which has been published and updated on a regular basis, codes on welding, fitness-for-service, leak-before-break evaluation as well as the guidelines for structural reliability evaluation are being developed. The basic strategy for the development is to fully take advantage of the favorable technical characteristics associated with sodium-cooled fast reactors; the codes will be developed based on the System Based Code concept. The above mentioned set of codes are planned to be published from the Japan Society of Mechanical Engineers in 2016.

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