Oral presentation

[2C10-13] Dismantling Technology for Contaminated Concrete

Thu. Mar 21, 2019 2:45 PM - 3:50 PM Room C (Common Education Bildg. 2 1F No.11)

Chair:Satoshi Yanagihara(Fukui Univ.)

+Add all to schedule

2:45 PM - 3:00 PM

[2C10] Evaluation of decommissioning and waste management strategies for contaminated concrete structures

(7)Evaluation of Alteration of Concrete Structures

*Akio Chimoto¹, Takuya Mikami¹, Takafumi Sugiyama¹ (1. Hokkaido University)

3:00 PM - 3:15 PM

[2C11] Evaluation of decommissioning and waste management strategies for contaminated concrete structures

(8) Migration behavior of radionuclides in altered hardened cement paste

*SHUN IINUMA¹, Yuri Morishita¹, Kei Kitazawa¹, Kouzai Naofumi², Shingo Tanaka³, Naoko Watanabe³, Tamatsu Kozaki³ (1. Graduate School of Engineering Hokkaido University, 2. Japan Atomic Energy Agency, 3. Faculty of Engineering Hokkaido University)

3:15 PM - 3:30 PM

[2C12] Evaluation of decommissioning and waste management strategies for contaminated concrete structures

(9) Sorption behavior of radionuclides on altered hardened cement paste

*kei kitazawa¹, Naohumi Kozai³, Kazuya Tanaka³, Iwao Shimoyama³, Tamotu Kozaki², Naoko Watanabe², Shingo Tanaka² (1. Graduate School of Engineering Hokkaido, 2. Facurity of Engineering Hokkaido University, 3. Japan Atomic Energy Agency)

3:30 PM - 3:45 PM

[2C13] Evaluation of decommissioning and waste management strategies for contaminated concrete structures

(10) Estimation of radionuclide concentration distribution in concrete and the amount of radioactive wastes

*Daisuke Kawasaki¹, Naoko Watanabe² (1. University of Fukui, 2. Hokkaido University)

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

Oral presentation

[2C14-17] Analysis, Scinario Evaluation and System Development

Thu. Mar 21, 2019 3:50 PM - 4:55 PM Room C (Common Education Bildg. 2 1F No.11)

Chair:Nobutake Horiuchi(MMC)

+Add all to schedule

3:50 PM - 4:05 PM

[2C14] Influence of ⁵⁹Ni radioactivity on decommissioning

*hideo ezure¹ (1. Nippon Advanced Information Service Company, Inc.)

4:05 PM - 4:20 PM

[2C15] Analysis on Cost Estimation Approach of Decommissioning in Japan -International Comparison

*Tetsushi Azuma^1,3, Keiichi Iida^2,3, Kazushi Natsui³, Yasuhiko Horiuchi^4,3, Masatoshi Yamasaki^5,3, Naoko Watanabe^6,3, Satoshi Yanagihar^7,3 (1. Mitsubishi Electric, 2. Nissin Kiko, 3. Association for Nuclear Decommissioning Study, 4. Nuclear Plant Service Engineering, 5. Studsvik Japan, 6. Hokkaido university, 7. Fukui university)

4:20 PM - 4:35 PM

[2C16] Development of manpower estimation method for decommissioning activities

Study on the relationship between detailedness of the work attributes and the uncertainty

*Keisuke Komatsu¹, Daisuke Kawasaki¹, Satoshi Yanagihara¹ (1. University of Fukui)

4:35 PM - 4:50 PM

[2C17] Social survey for staffs of NPP decommissioning

*Yasuyoshi Taruta^1,2, Qiao Zhao³, Shigeto Kobayshi³, Takashi Hashimoto³ (1. Japan atomic energy agency, 2. University of Fukui, 3. Japan Advanced Institute of Science and Technology)

Time reserved for Chair （4:50 PM - 4:55 PM）

Oral presentation

[2C18-19] Dismantling and Recycle of Electrical Components

Thu. Mar 21, 2019 4:55 PM - 5:30 PM Room C (Common Education Bildg. 2 1F No.11)

Chair:Daisuke Kawasaki(Fukui Univ.)

+Add all to schedule

4:55 PM - 5:10 PM

[2C18] The dismantling and recycle of electric equipments and materials in the decommissioning of nuclear power plants

(3) Evaluation of nuclides produced in PWR cables by thermal neutron irradiation

*Genichiro Wakabayashi¹, Hirokuni Yamanishi¹, Takahiro Yamada¹, Tetsuo Itoh¹, Takayuki Ikeda^2,1, Yasunori Roji², Masateru Hayashi², Tetsushi Azuma² (1. AERI, Kindai Univ., 2. Mitsubishi Electric Corp.)

5:10 PM - 5:25 PM

[2C19] The dismantling and recycle of electric equipments and materials in the decommissioning of nuclear power plants

(4) A study of radioactivity clearance measurement for waste cables

*Masateru Hayashi¹, Tetsushi Azuma¹, Takayuki Ikeda^1,2, Yasunori Roji¹, Genichiro Wakabayashi², Hirokuni Yamanishi², Takahiro Yamada², Testuo Itoh² (1. Mitsubishi Electric, 2. AERI, Kindai Univ.)

Time reserved for Chair （5:25 PM - 5:30 PM）

Oral presentation

[3C01-02] Dismantling and Decontamination Technology

Fri. Mar 22, 2019 9:30 AM - 10:05 AM Room C (Common Education Bildg. 2 1F No.11)

Chair:Masashi Tezuka(JAEA)

+Add all to schedule

9:30 AM - 9:45 AM

[3C01] Development on Sound Velocity Measurement Technique from Outer Surface of Pipe Aim to Estimate Hydrogen Concentration in Gas inside Pipe

*Yuji Matsui¹, Katsuhiko hirano², Ryosuke kobayashi² (1. Hitachi, R&D group, Nuclear System Research Department, 2. Hitachi GE Nuclear Energy)

9:45 AM - 10:00 AM

[3C02] Feasibility Study on the Range Extender and Functionality Expansion of the Fully-automated Laser Decontamination Device

*Eisuke John Minehara¹ (1. LDD Corporation)

Time reserved for Chair （10:00 AM - 10:05 AM）

Oral presentation

[3C03-05] Method of Decommissioning Accident Reactor

Fri. Mar 22, 2019 10:05 AM - 10:55 AM Room C (Common Education Bildg. 2 1F No.11)

Chair:Koichi Kitamura(JAEA)

+Add all to schedule

10:05 AM - 10:20 AM

[3C03] Study on Potential Ways of Performing the Decommissioning of Accident-damaged Nuclear Power Plants

(1) Preliminary Case Study on Decommissioning of the Fukushima Daiichi Nuclear Power Plant

*DAIICHIRO OGURI¹, KAZUSHI NATSUI¹, MITSUHIRO SATO¹ (1. Association for Nuclear Decommissioning Study Study group on scenario of the Fukushima Daiichi Nuclear Power Plant decommissioning)

10:20 AM - 10:35 AM

[3C04] Study on Potential Ways of Performing the Decommissioning of Accident-damaged Nuclear Power Plants

(2) Conceptual Ideas of Risk Management for Accident-damaged Nuclear Power Plants

*Takayuki Aoki Aoki¹ (1. Tohoku University)

10:35 AM - 10:50 AM

[3C05] Study on Potential Ways of Performing the Decommissioning of Accident-damaged Nuclear Power Plants

(3)Proposal of the alternative method for the fuel debris retrieval of the Fukushima Daiichi Nuclear Power Plant

*shunichi suzuki¹ (1. The University of Tokyo)

Time reserved for Chair （10:50 AM - 10:55 AM）

Oral presentation

[3C06-09] Various Decommissioning Technology

Fri. Mar 22, 2019 10:55 AM - 12:00 PM Room C (Common Education Bildg. 2 1F No.11)

Chair:Takayuki Aoki(Tohoku Univ.)

+Add all to schedule

10:55 AM - 11:10 AM

[3C06] Reactor dismantled responding method using existing technology

Dismantling method using resin material

*Haruo Morishige¹, Yosuke Yamashiki², Makito Watakabe¹, Yasufumi Kitamura¹, Haruki Morishige¹ (1. Fukushima nuclear accident contermeasure review group, 2. Kyoto Univ.)

11:10 AM - 11:25 AM

[3C07] Proposal of decommissioning method proposal - Integral processing of building, equipment, piping and cable in block unit

短工程・合理化を目指す

*Makito Watakabe¹, Haruo Morishige¹, Yosuke Yamashiki², Yasufumi Kitamura¹, Haruki Morishige¹ (1. Fukushima Nuclear Accident Countermeasures Review Group, 2. Kyoto Univ.)

11:25 AM - 11:40 AM

[3C08] Proposed final disposal site in deep sea (part 2)

課題と問題点を整理

*Yasufumi Kitamura¹, Haruo Morishige¹, Yosuke Yamashiki², Makito Watakabe¹, Haruki Morishige¹ (1. Fukushima Nuclear Accident Countermeasures Review Group, 2. Kyoto Univ.)

11:40 AM - 11:55 AM

[3C09] Review fuel debris collection method from technical requirements defined by NDF

Consider feasibility

*Yosuke Yamashiki¹, haruo Morishige², Makito Watakabe², Yasufumi Kitamura², Haruki Morishige² (1. Kyoto University, 2. Fukushima Nuclear Accident Countermeasures Review Group)

Time reserved for Chair （11:55 AM - 12:00 PM）

Sessions

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

[2C10-13] Dismantling Technology for Contaminated Concrete

(7)Evaluation of Alteration of Concrete Structures

(8) Migration behavior of radionuclides in altered hardened cement paste

(9) Sorption behavior of radionuclides on altered hardened cement paste

(10) Estimation of radionuclide concentration distribution in concrete and the amount of radioactive wastes

[2C14-17] Analysis, Scinario Evaluation and System Development

Study on the relationship between detailedness of the work attributes and the uncertainty

[2C18-19] Dismantling and Recycle of Electrical Components

(3) Evaluation of nuclides produced in PWR cables by thermal neutron irradiation

(4) A study of radioactivity clearance measurement for waste cables

[3C01-02] Dismantling and Decontamination Technology

[3C03-05] Method of Decommissioning Accident Reactor

(1) Preliminary Case Study on Decommissioning of the Fukushima Daiichi Nuclear Power Plant

(2) Conceptual Ideas of Risk Management for Accident-damaged Nuclear Power Plants

(3)Proposal of the alternative method for the fuel debris retrieval of the Fukushima Daiichi Nuclear Power Plant

[3C06-09] Various Decommissioning Technology

Dismantling method using resin material

短工程・合理化を目指す

課題と問題点を整理

Consider feasibility

Authentication