2023 Annual Meeting

Presentation information

Oral presentation

V. Nuclear Fuel Cycle and Nuclear Materials » 505-3 Decommissioning Technology of Nuclear Facilities

[1G01-07] Decommissioning of Accident NPP

Mon. Mar 13, 2023 10:00 AM - 11:55 AM Room G (13 Bildg.1F 1311)

Chair:Yukihiro IGUCHI(Univ. of Fukui)

10:15 AM - 10:30 AM

[1G02] Study on Rational Treatment/Disposal of Contaminated Concrete Waste Considering Leaching Alteration

(8) Effects of leaching Treatment on Microstructure of Hardened Cement Pastes

*Yuka Morinaga1, Daisuke Minato1, Keisuke Matsumoto2, Shinichiro Uematsu2, Toru Nagaoka1, Naoko Watanabe2, Tamotsu Kozaki2 (1. Central Research Institute of Electric Power Industry, 2. Hokkaido Univ.)

Keywords:Cement, Nuclear Magnetic Resonance, Hardened cement paste, Leaching, microstructure

本研究では、イオン交換水、海水及び硝酸アンモニウム溶液を用いて溶脱処理を行った硬化セメントペーストを対象に核磁気共鳴分光法(以下NMR)をはじめとした固相分析を行うことで溶脱方法が硬化セメントペーストの微細構造に与える影響について検討を行った