An investigation of RPV and concrete structure in Hamaoka unit-1 have been started since 2014. Objective of the investigation is to contribute to the optimization of plant maintenance methodology by development of maintenance technologies such as non-destructive inspection and small specimen technique. This report describes some results obtained at present. ...
英字タイトル:
Status of the research using materials in decommissioning Hamaoka NPS Unit 1 (3)

Hamaoka Nuclear Power Station Unit 1 and 2 have already started the plant decommissioning since November, 2009. The decommissioning Stage-1 (preparation stage) had been already finished and now Stage-2 (Dismantling stage of Reactor Zone Peripheral facilities) is in progress. We have begun a research about material degradation by using some pieces of concrete and metal taken from Unit 1. This report describes the project scheme of the research. ...
英字タイトル:
Project Status of Decommissioning and Research Hamaoka NPS Unit 1 and 2 (2)

We began a research about material degradation by using some pieces of concrete and metal taken from Hamaoka Nuclear Power Station (NPS) Unit 1 that is currently being decommissioned. A research project on the aging concrete structures has been conducted since FY2015. This report describes the physical properties such as compressive strength on the aging inner wall concrete....
英字タイトル:
Physical Properties on the Aging Concrete of Hamaoka Unit 1 - Material research utilizing decommissioning NPS -