[2K01-04] Contaminated Concrete

Thu. Mar 17, 2022 9:30 AM - 10:45 AM Room K

Chair: Junya Sato (JAEA)

9:30 AM - 9:45 AM

[2K01] Study on the Radionuclide Contamination Mechanisms of Concrete and the Estimation of Distribution of Radionuclides

(13)Modeling of sorption behavior of Cs and Sr for C-A-S-H

*Sayuri Tomita¹, Kazuko Haga¹, Yutaro Kobayashi¹, Kazuo Yamada², Yoshifumi Hosokawa³, Go Igarashi⁴, Yoshikazu Koma⁵, Ippei Maruyama^4,6 (1. Taiheiyo Consultant, 2. NIES, 3. Taiheiyo Cement Corporation, 4. UTokyo, 5. JAEA, 6. Nagoya Univ.)

9:45 AM - 10:00 AM

[2K02] Study on the Radionuclide Contamination Mechanisms of Concrete and the Estimation of Distribution of Radionuclides

(14)Basic study of separation and quantitative mapping of Cs-137 and Sr-90 by imaging plate

*Kazuo Yamada¹, Sae Takayama², Masaya Yokokawa², Yasumasa Tojo², Ippei Maruyama³ (1. NIES, 2. Hokkaido U., 3. UTokyo)

10:00 AM - 10:15 AM

[2K03] Investigation on mass balance of volume reduction process for fly ash produced in thermal treatment of radio-actively contaminated off-site incineration residue

*Kenichi Arima¹, Masahiro Osako¹, shunji Oda², Hisao Tohma², Keisuke Imai² (1. National Institute of Environmental Studies, 2. Japan Environmental Storage & Safety Corporation)

10:15 AM - 10:30 AM

[2K04] Examination of rational treatment and disposal of contaminated concrete waste considering deterioration due to leaching

Observation of changing microstructure in concrete due to calcium ion leaching by using non-destructive integrated CT-XRD method

*Anna Tomo¹, Yingyao Tan¹, Takafumi Sugiyama¹ (1. Hokkaido Univ.)

Time reserved for Chair (10:30 AM - 10:45 AM)

Session information