2023 Annual Meeting

Presentation information

Planning Lecture

Board and Committee » Review Committee on Decommissioning of the Fukushima Daiichi NPS

[3I_PL] Building/Structure Integrity and Risk Assessment of Fukushima Daiichi Nuclear Power Station

Wed. Mar 15, 2023 1:00 PM - 2:30 PM Room I (13 Bildg.1F 1313)

Chair:Hiroshi Miyano(Chair of Review Committee on Decommissioning of 1F)

[3I_PL01] Concept of strength evaluation criteria for damaged structures

*Shunichi Suzuki1 (1. UTokyo)

Three subcommittees will discuss and report on the status of the study to reduce the risk caused by fuel debris, which is one of the important issues in the decommissioning of the 1F.
The Strength Standard Review Subcommittee will report the results of the strength evaluation flow for structures that have been damaged and partially lost their function.
The Building Structural Performance Review Subcommittee will report on the status of studies that are being carried out in collaboration with the 3 subcommittees, with the aim of establishing a seismic integrity evaluation method for the 1F decommissioning.
The decommissioning risk assessment subcommittee will report on the current risk assessment study and policy on the effects of aging deterioration, regarding the risk assessment at the time of fuel debris retrieval, targeting risks caused by radioactive materials.