Oral presentation

[2L10-15] Analysis, Scinario Evaluation and System Development

Tue. Mar 27, 2018 2:45 PM - 4:20 PM Room L (M1-311 -M1 Building)

Chair: Nobutake Horiuchi (MMC)

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2:45 PM - 3:00 PM

[2L10] Calculation of radioactivity evaluation in the Musashi reactor using PHITS・DCHAIN

*Koichi Kashimata¹, Naoto Hagura¹, Keita Funyuu¹ (1. Tokyo City University)

3:00 PM - 3:15 PM

[2L11] Radioactive Inventory Calculation of KARTINI TRIGA Reactor for Decommissioning Scenario Development

*Anggoro Septilarso¹, Daisuke Kawasaki¹, Satoshi Yanagihara¹ (1. University of Fukui)

3:15 PM - 3:30 PM

[2L12] A study on concrete penetration calculation for decommissioning (3)

Calculation of composition sensitivity coefficient

*Riku Nakamura¹, Ken-ichi Tanaka², Satoshi Chiba¹, Naoki Yamano¹ (1. Tokyo Tech, 2. IAE)

3:30 PM - 3:45 PM

[2L13] Evaluation and optimization of decommissioning Scenarios considering waste management

*Ryohei Miyoshi¹, Naoko Watanabe², Tamotsu Kozaki², Shingo Tanaka², Satoshi Yanagihara³ (1. Graduate School of Engineering Hokkaido University, 2. Faculty of Engineering Hokkaido University, 3. University of Fukui, Research Institute of Nuclear Engineering)

3:45 PM - 4:00 PM

[2L14] Classification methodology of recorded activity data for manpower estimation in nuclear decommissioning.

*Ryota Sugimoto¹, Daisuke Kawasaki¹, Satoshi Yanagihara¹ (1. FUKUI Univ.)

4:00 PM - 4:15 PM

[2L15] State analysis for Fugen decommissioning progression

*Yasuyoshi Taruta^2,1, Satoshi Yanagihara², Yukihiro Iguchi^2,1, Koichi Kitamura¹, Masashi Tezuka¹, Yuya Kouda¹ (1. JAEA, 2. Fukui Univ.)

Time reserved for Chair （4:15 PM - 4:20 PM）

Oral presentation

[2L16-19] Dismantling and Decontamination Technology

Tue. Mar 27, 2018 4:20 PM - 5:25 PM Room L (M1-311 -M1 Building)

Chair: Ken-Ichi Tanaka (IAE)

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4:20 PM - 4:35 PM

[2L16] Application of laser peeling and cutting technology to nuclear power plants and general industries

*Eisuke John Minehara¹, Atuso Yamada², Hisashi Imai² (1. LDD Corporation, 2. HAZAMA ANDO CORPORATION)

4:35 PM - 4:50 PM

[2L17] Study on Applicability of Laser Coating Removal Technique to Nuclear Power Plant

(3)Basic Experiment on Dust Treatment Generated by Laser Irradiation

*Hiromitsu Inagaki¹, Takayuki Utsushikawa², Kazuaki Toyosawa³, Kazuhisa Fujita⁴ (1. Chubu Electric Power Co., Inc., 2. Japan Environment Research Co., Ltd., 3. Toyokoh Co., Ltd., 4. The Graduate school for the Creation of New Photonics Industries)

4:50 PM - 5:05 PM

[2L18] The dismantling and recycle of electric equipments and materials in the decommissioning of nuclear power plants

(1)Issues and targets

*Takayuki Ikeda^2,1, Yasunori Roji¹, Yuji Yamamoto¹, Masateru Hayashi¹, Tetsushi Azuma¹, Genichiro Wakabayashi², Hirokuni Yamanishi², Takahiro Yamada², Tetsuo Itoh² (1. Mitsubishi Electric Corp., 2. AERI, Kindai Univ.)

5:05 PM - 5:20 PM

[2L19] The dismantling and recycle of electric equipments and materials in the decommissioning of nuclear power plants

(2)The component analysis of PWR cables

*Genichiro Wakabayashi¹, Hirokuni Yamanishi¹, Takahiro Yamada¹, Tetsuo Itoh¹, Takayuki Ikeda², Yasunori Roji², Yuji Yamamoto², Masateru Hayashi², Tetsushi Azuma² (1. AERI, Kindai Univ., 2. Mitsubishi Electric Corp.)

Time reserved for Chair （5:20 PM - 5:25 PM）

Oral presentation

[3L01-05] Dismantling Technology for Contaminated Concrete

Wed. Mar 28, 2018 9:30 AM - 10:50 AM Room L (M1-311 -M1 Building)

Chair: Koichi Kitamura (JAEA)

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9:30 AM - 9:45 AM

[3L01] Evaluation of Decommissioning and Waste Management Strategies for Contaminated Concrete Structures

(2)Analysis of the Waste Management Scenarios for Concrete Structures

*Naoko Watanabe¹, Daisuke Kawasaki², Yoshikazu Koma³, Tamotsu Kozaki¹ (1. Hokkaido University, 2. Fukui University, 3. Japan Atomic Energy Agency)

9:45 AM - 10:00 AM

[3L02] Evaluation of Decommissioning and Waste Management Strategies for Contaminated Concrete Structures

(3)Thermal Analysis of the Concrete Material during the Fukushima Accident

*Shuichiro Miwa¹, Tsubasa Yamamoto¹ (1. Hokkaido University)

10:00 AM - 10:15 AM

[3L03] Evaluation of Decommissioning and Waste Management Strategies for Contaminated Concrete Structures

(4)Evaluation of Alteration of Concrete Structures

Hayato Takahashi¹, Kazuya Wakamatsu¹, *Takuya Mikami¹, Takafumi Sugiyama¹ (1. Hokkaido University)

10:15 AM - 10:30 AM

[3L04] Evaluation of Decommissioning and Waste Management Strategies for Contaminated Concrete Structures

(5)Diffusion behavior of Cs⁺ions in hardened cement paste altered by heat

*Yuri Morishita¹, Daisaku Sitara³, Hiroaki Takiya⁴, Singo Tanaka², Naoko Watanabe², Tamotsu Kozaki² (1. Graduate School of Engineering Hokkaido University, 2. Faculty of Engineering Hokkaido University, 3. Yamagata prefectural police headquarters, Forensic science laboratory, 4. JAEA)

10:30 AM - 10:45 AM

[3L05] Evaluation of Decommissioning and Waste Management Strategies for Contaminated Concrete Structures

(6)Sorption of radionuclides on altered hardened cement paste

*Shun Iinuma¹, Naofumi Kozai², Kazuya Tanaka², Shingo Tanaka³, Naoko Watanabe³, Kozaki Tamotsu³ (1. Graduate School of Engineering Hokkaido University, 2. Japan Atomic Energy Agency, 3. Faculty of Engineering Hokkaido University)

Time reserved for Chair （10:45 AM - 10:50 AM）

Oral presentation

[3L06-10] Decommissioning Technology for Fukushima (Debris, Contaminated Liquid, Severe Accident Evaluation)

Wed. Mar 28, 2018 10:50 AM - 12:10 PM Room L (M1-311 -M1 Building)

Chair: Shuichiro Miwa (Hokkaido Univ.)

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10:50 AM - 11:05 AM

[3L06] Pulverization pumping collection of fuel debris and remodeling of used storage container

How to store fuel debris applying cryogenic vacuum deposition

*Makito Watakabe¹, Haruo Morishige¹, Yosuke Yamashiki (1. Fukushima nuclear accident contermeasure review group)

11:05 AM - 11:20 AM

[3L07] Freezing confinement by low temperature air cooling of fuel debris

Air cooling with refrigerant in air in containment vessel

*Yasufumi Kitamura¹, Haruo Morishige¹, Yosuke Yamashiki¹ (1. Fukushima nuclear accident contermeasure review group)

11:20 AM - 11:35 AM

[3L08] Cooling mechanism of fuel debris

Consider mechanism from survey video

*Yosuke Yamashiki¹, Haruo Morishige (1. Kyoto University)

11:35 AM - 11:50 AM

[3L09] Earthquake resistance evaluation of contaminated water storage tank and seismic reinforcement proposal

Proposal for reinforcement of tank without foundation bolt

*Shigemi Morishige¹, Haruo Morishige¹, Yosuke yamashiki (1. Fukushima accident contermeasure review group)

11:50 AM - 12:05 PM

[3L10] Study on the damage of core internals in nuclear reactor during severe accident

*Jiang Liu¹, Yoshinao Kobayashi¹ (1. Tokyo Institute of Technology)

Time reserved for Chair （12:05 PM - 12:10 PM）

Oral presentation

[3L11-14] Establishing Guides Relating to a Planning of Decommissioning

Wed. Mar 28, 2018 2:45 PM - 3:50 PM Room L (M1-311 -M1 Building)

Chair: Yasufumi Kitamura (Fukushima Nuclear Accident Countermeasures Review Group)

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2:45 PM - 3:00 PM

[3L11] Establishing Guides relating to a planning of decommissioning

(1)Outline of activities of the establishment

*Akio Tamura¹ (1. Japan Nuclear Safety Institute)

3:00 PM - 3:15 PM

[3L12] Establishing Guides relating to a planning of decommissioning

(2)Establishing a guide on radiological characterization

*Ken-ichi Tanaka¹ (1. The Institute of Applied Energy)

3:15 PM - 3:30 PM

[3L13] Establishing Guides relating to a planning of decommissioning

(3)Estbilishing a guide on an investigation for plant characteristics

*Yusuke Shimizu¹ (1. Nuclear Engineering Ltd)

3:30 PM - 3:45 PM

[3L14] Establishing Guides relating to a planning of decommissioning

(4)Establishing a guide on decommissioning engineering

*Kazuyuki Torii¹ (1. Shimizu Corp.)

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

Sessions

IV. Nuclear Fuel Cycle and Nuclear Materials » 405-3 Decommissioning Technology of Nuclear Facilities

[2L10-15] Analysis, Scinario Evaluation and System Development

Calculation of composition sensitivity coefficient

[2L16-19] Dismantling and Decontamination Technology

(3)Basic Experiment on Dust Treatment Generated by Laser Irradiation

(1)Issues and targets

(2)The component analysis of PWR cables

[3L01-05] Dismantling Technology for Contaminated Concrete

(2)Analysis of the Waste Management Scenarios for Concrete Structures

(3)Thermal Analysis of the Concrete Material during the Fukushima Accident

(4)Evaluation of Alteration of Concrete Structures

(5)Diffusion behavior of Cs+ ions in hardened cement paste altered by heat

(6)Sorption of radionuclides on altered hardened cement paste

[3L06-10] Decommissioning Technology for Fukushima (Debris, Contaminated Liquid, Severe Accident Evaluation)

How to store fuel debris applying cryogenic vacuum deposition

Air cooling with refrigerant in air in containment vessel

Consider mechanism from survey video

Proposal for reinforcement of tank without foundation bolt

[3L11-14] Establishing Guides Relating to a Planning of Decommissioning

(1)Outline of activities of the establishment

(2)Establishing a guide on radiological characterization

(3)Estbilishing a guide on an investigation for plant characteristics

(4)Establishing a guide on decommissioning engineering

Authentication

(5)Diffusion behavior of Cs⁺ions in hardened cement paste altered by heat