Oral presentation

[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)

10:00 AM - 10:15 AM

[1G01] Current Status of “the Cooperative Research Division on Innovative Technologies for 1F Decommissioning in the Center for Fundamental Research on Nuclear Decommissioning, Tohoku University”

*Takayuki Aoki¹, Koji Dozaki¹, Yutaka Watanabe¹ (1. Tohoku University)

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.)

10:30 AM - 10:45 AM

[1G03] Study on Rational Treatment/Disposal of Contaminated Concrete Waste Considering Leaching Alteration

(9) Sorption behavior of Cs-137 on Hardened Cement Pastes altered by different leaching treatments

*Keisuke Matsumoto¹, Kyoya Watanabe¹, Shinichiro Uematsu¹, Naoko Watanabe¹, Tamotsu Kozaki¹, Yuka Morinaga², Daisuke Minato², Toru Nagaoka² (1. Hokkaido Univ., 2. CRIEPI)

10:45 AM - 11:00 AM

[1G04] Study on Rational Treatment/Disposal of Contaminated Concrete Waste Considering Leaching Alteration

(10) Effects of Alteration by Leaching Treatment on Diffusion of Acetate Ions in Hardened Cement Paste

*Koike Hiromichi¹, Uematsu Shinichiro¹, Watanabe Naoko¹, Kozaki Tamotsu¹, Morinaga Yuka², Minato Daisuke², Nagaoka Toru² (1. Hokkaido Univ., 2. CRIEPI)

11:00 AM - 11:15 AM

[1G05] Study on Rational Treatment/Disposal of Contaminated Concrete Waste Considering Leaching Alteration

(11)Diffusivity Evaluation of Strontium Ion in Cementitious Materials by Electro Migration Test

*Tomoki Miura¹, Katsufumi Hashimoto¹, Takafumi Sugiyama¹, Yingyao Tan¹ (1. Hokkaido Univ.)

11:15 AM - 11:30 AM

[1G06] Study on Rational Treatment/Disposal of Contaminated Concrete Waste Considering Leaching Alteration

(12) Calculation of Radionuclide Concentration Distribution

*Daisuke Kawasaki¹, Nishino Nishino¹, Naoko Watanabe², Yoshikazu Koma³ (1. Univ. of Fukui, 2. Hokkaido Univ., 3. JAEA)

11:30 AM - 11:45 AM

[1G07] Study on Rational Treatment/Disposal of Contaminated Concrete Waste Considering Leaching Alteration

(13) Consideration for Formulation and Evaluation of Waste Management Scenarios

*Naoko Watanabe¹, Satoshi Yanagihara², Daisuke Kawasaki², Yoshikazu Koma³, Tamotsu Kozaki¹ (1. Hokkaido Univ., 2. Univ. of Fukui, 3. JAEA)

Time reserved for Chair （11:45 AM - 11:55 AM）

Oral presentation

[1G08-11] Evaluate Technology on Decommissioning

Mon. Mar 13, 2023 2:45 PM - 3:50 PM Room G (13 Bildg.1F 1311)

Chair:Naoko Watanabe(Hokkaido Univ.)

2:45 PM - 3:00 PM

[1G08] A Study for the optimization of the decommissioning project of nuclear facilities

(3) Assessment of interim storage strategies for multiple units and multiple sites

*Yukihiro IGUCHI¹, Daisuke KAwASAKI¹, Satoshi YANAGIHARA¹ (1. University of Fukui)

3:00 PM - 3:15 PM

[1G09] Development of Risk Informed Aging Management Program in Decommissioning

*Masao Uesaka¹, Kenta Murakami² (1. Nagaoka University of Technology, 2. The University of Tokyo)

3:15 PM - 3:30 PM

[1G10] Development of Technologies for Virtual Reality Simulation under Remote Operation for Decommissioning of Nuclear Power Plants

*Hiroshi Seki¹, Takayasu Kasahara¹, Katsuhiko Hirano², Takahiro Nagai² (1. Hitachi, 2. HGNE)

3:30 PM - 3:45 PM

[1G11] Research and development of lead block cutting technique for decommissioning nuclear power plants Ⅱ

*Tomohisa Gotou^1,3, Glenn Harvel², Yutaro Aoki¹, Takeyoshi Sunagawa¹ (1. FUT, 2. Ontario Tech Univ., 3. Taihei Dengyo Ltd.)

Time reserved for Chair （3:45 PM - 3:50 PM）

Oral presentation

[1G12-15] Measurement Technology on Decommissioning

Mon. Mar 13, 2023 3:50 PM - 5:00 PM Room G (13 Bildg.1F 1311)

Chair:Daisuke Kawasaki(Univ. of Fukui)

3:50 PM - 4:05 PM

[1G12] Development of Clearance Measurement Method by Plastic Scintillation Fiber

*Yasushi Nagumo¹, Yuri Yoshihara¹, Kiyotaka Ueda², Yoichi Tsunoda² (1. Hitachi, 2. HGNE)

4:05 PM - 4:20 PM

[1G13] Evaluation of Exposure Dose using Recordings of Avatar Movement in XR

*Hiroko Nakamura Miyamura¹, Tomoki Sato¹, Yoshiaki Numata¹, Yasuhiro Tobita¹, Ayako Iwata¹, Masahiko Machida¹ (1. JAEA)

4:20 PM - 4:35 PM

[1G14] ORIGEN and ORGEN-S activation libraries produced from JENDL-5

*Chikara Konno¹, Mami Kochiyama¹, Hirokazu Hayashi¹ (1. JAEA)

4:35 PM - 4:50 PM

[1G15] Study on the identification of R&D tasks necessary for the establishment of non-destructive inspection technique using terahertz waves

*Koji Dozaki¹, Tadao Tanabe², Sho Fujii³, Tomoya Nishiwaki¹, Takayuki Aoki¹ (1. Tohoku University, 2. Shibaura Inst. of Tech., 3. National Institute of Technology, Kisarazu College)

Time reserved for Chair （4:50 PM - 5:00 PM）

Sessions

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

[1G01-07] Decommissioning of Accident NPP

[1G01] Current Status of “the Cooperative Research Division on Innovative Technologies for 1F Decommissioning in the Center for Fundamental Research on Nuclear Decommissioning, Tohoku University”

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

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

[1G03] Study on Rational Treatment/Disposal of Contaminated Concrete Waste Considering Leaching Alteration

(9) Sorption behavior of Cs-137 on Hardened Cement Pastes altered by different leaching treatments

[1G04] Study on Rational Treatment/Disposal of Contaminated Concrete Waste Considering Leaching Alteration

(10) Effects of Alteration by Leaching Treatment on Diffusion of Acetate Ions in Hardened Cement Paste

[1G05] Study on Rational Treatment/Disposal of Contaminated Concrete Waste Considering Leaching Alteration

(11)Diffusivity Evaluation of Strontium Ion in Cementitious Materials by Electro Migration Test

[1G06] Study on Rational Treatment/Disposal of Contaminated Concrete Waste Considering Leaching Alteration

(12) Calculation of Radionuclide Concentration Distribution

[1G07] Study on Rational Treatment/Disposal of Contaminated Concrete Waste Considering Leaching Alteration

(13) Consideration for Formulation and Evaluation of Waste Management Scenarios

[1G08-11] Evaluate Technology on Decommissioning

[1G08] A Study for the optimization of the decommissioning project of nuclear facilities

(3) Assessment of interim storage strategies for multiple units and multiple sites

[1G09] Development of Risk Informed Aging Management Program in Decommissioning

[1G10] Development of Technologies for Virtual Reality Simulation under Remote Operation for Decommissioning of Nuclear Power Plants

[1G11] Research and development of lead block cutting technique for decommissioning nuclear power plants Ⅱ

[1G12-15] Measurement Technology on Decommissioning

[1G12] Development of Clearance Measurement Method by Plastic Scintillation Fiber

[1G13] Evaluation of Exposure Dose using Recordings of Avatar Movement in XR

[1G14] ORIGEN and ORGEN-S activation libraries produced from JENDL-5

[1G15] Study on the identification of R&D tasks necessary for the establishment of non-destructive inspection technique using terahertz waves

Authentication