[2B05-09] Radiochemical Analysis at Fukushima Daiichi NPS Site 2

Thu. Sep 12, 2019 10:35 AM - 12:00 PM Room B (Common Education Bildg. 1F C12)

Chair:Daisuke Sugiyama(CRIEPI)

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10:35 AM - 10:50 AM

[2B05] Study on the Radionuclide Contamination Mechanisms of Concrete and the Estimation of Distribution of Radionuclides

(1)Overview of the Study

Ippei Maruyama¹, Kazuo Yamada², *Masaya Ida³, Kazutoshi Shibuya³, Kazuko Haga³, Go Igarashi⁴, Yoshikazu Koma⁵ (1. Nagoya Univ., 2. NIES, 3. Taiheiyo Consultant, 4. Univ. of Tokyo, 5. JAEA)

10:50 AM - 11:05 AM

[2B06] Study on the Radionuclide Contamination Mechanisms of Concrete and the Estimation of Distribution of Radionuclides

(2)Experimental Study on the effect of concrete properties on the ingress and leachin of Cs and Sr

*Kazuo Yamada¹, Go Igarashi², Norihisa Osawa³, Sayuri Tomita⁴, Kazuko Haga⁴, Ippei Maruyama⁵, Yoshikazu Koma⁶ (1. NIES, 2. Tohoku Univ., present Univ. of Tokyo, 3. Tohoku Univ., present Taiheiyo Consultant, 4. Taiheiyo Consultant, 5. Nagoya Univ., 6. JAEA)

11:05 AM - 11:20 AM

[2B07] Study on the Radionuclide Contamination Mechanisms of Concrete and the Estimation of Distribution of Radionuclides

(3)Sorption behavior of alpha nuclides

*Haruka Aihara¹, Atsuhiro Shibata¹, Yoshikazu Koma¹, Sayuri Tomita², Ippei Maruyama³ (1. JAEA, 2. Taiheiyo Consultant , 3. Nagoya Univ. )

11:20 AM - 11:35 AM

[2B08] Study on the Radionuclide Contamination Mechanisms of Concrete and the Estimation of Distribution of Radionuclides

(4)Modeling of sorption behavior of Cs and Sr for cement-based materials

*Sayuri Tomita², Ippei Maruyama¹, Kazuko Haga², Kazuo Yamada³, Go Igarashi⁴, Yoshikazu Koma⁵, Yoshifumi Hosokawa⁶ (1. Nagoya Univ., 2. Taiheiyo Consultant, 3. NIES, 4. Univ. of Tokyo, 5. JAEA, 6. Taiheiyo Cement)

11:35 AM - 11:50 AM

[2B09] Evaluation of Cesium penetration in concrete structural materials

*Koki Koshigoe¹, Isamu Sato¹, Naoya Miyahara¹, Eriko Suzuki², Masahiko Ohsaka², Haruaki Matsuura¹ (1. Tokyo City Univ., 2. JAEA)

Time reserved for Chair (11:50 AM - 12:00 PM)

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