浜岡原子力発電所5号機 主復水器細管損傷の影響調査(その2)


英字タイトル:
Effect of sea water intrusion from main condenser, damaged by break on reactor core internals, Hamaoka Unit 5(No.2)
著者:
市川 義浩 Yoshihiro ICHIKAWA 釘本 三男 Mitsuo KUGIMOTO 三谷 和己 Kazumi MITANI 堀井 一明 Kazuaki HORII 直井 万隆 Banryu NAOI
発刊日:
公開日:
カテゴリ: 第10回
キーワードタグ:

概要

In the process of achieving cold shutdown following the shutdown of Hamaoka Nuclear Power Station Unit 5 on May 14, 2011, large quantities of seawater flowed into the reactor and other facilities due to main condenser tubes which had broken. The investigations focusing on corrosion of materials had been conducted through various methods, observation of equipments, material tests, cleaning tests, and inspection of RPV and its components. Based on these investigations, we had evaluated the impact on the reactor facilities due to the inflow of seawater. These evaluations have been undertaken with advice from experts.


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