配管耐震健全性評価の応力制限に関する検討

(第2報 運転状態の内圧考慮)

抄録

Based on previous studies, only prevention of the fatigue damage was required as permission for the S class piping in the service condition Ds, and the primary stress limit for the purpose of the prevention of the plastic collapse was actually abolished in the JEAC4601-2008. In this study, the necessity of the stress limit for plastic collapse due to seismic load was examined.