E124 福島原発事故 : 原因とアクシデント・マネージメント(OS8 軽水炉・新型炉・原子力安全(3))

抄録

This paper describes defects which caused the meltdown in Fukushima Dai Ichi No.1 nuclear power plant The valve-rod in a Primary Loop Recirculation was broken by the Delayed Fracture.