Oral presentation

[2H09-13] System development and evaluation

Tue. Mar 28, 2017 2:45 PM - 4:05 PM Room H (16-303 Building No.16)

Chair: Hirokazu Tanaka (MMC)

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2:45 PM - 3:00 PM

[2H09] Integration of Knowledge Management Support System for the Decommissioning of Nuclear Facilities

(7)Development of Knowledge Retrieval Function Utilizing Task Ontology

*Yasuaki Kato^1,2, Yukihiro Iguchi^1,2, Koichi Kitamura¹, Masashi Tezuka¹, Yuya Koda¹, Satoshi Yanagihara², Riichiro Mizoguchi³ (1. Japan Atomic Energy Agency, 2. University of Fukui, 3. Japan Advanced Institute of Science and Technology)

3:00 PM - 3:15 PM

[2H10] Study on concrete permeation calculation using PHITS code for decommissioning

*Riku Nakamura¹, Ken-ichi Tanaka^2,1, Satoshi Chiba¹ (1. Tokyo Institute of Technology, 2. The institute of applied energy)

3:15 PM - 3:30 PM

[2H11] Evaluation of Decommissioning Cost (4)

Cost Analysis for Dismantling Reactor Components

*Haruka Okude¹, Daisuke Kawasaki¹, Satoshi Yanagihara¹ (1. University of Fukui)

3:30 PM - 3:45 PM

[2H12] Analysis of dismantling waste characteristics based on activation calculation

*Jumpei Takahashi¹, Anggoro Septilarso¹, Daisuke Kawasaki¹, Satoshi Satoshi¹ (1. University of Fukui)

3:45 PM - 4:00 PM

[2H13] Study on Evaluation of Safety Function Reliability and Risk Management during the Decommissioning of Accident-Damaged Nuclear Power Plant

*Takayuki Aoki¹, Kazuhiro Sugihara², Hidekazu Suwa², Takayuki Negishi², Takeshi Morita² (1. Tohoku University, 2. Nuclear Engineering and Services Company)

Time reserved for Chair （4:00 PM - 4:05 PM）

Oral presentation

[2H14-17] Decontamination and Cutting technology

Tue. Mar 28, 2017 4:05 PM - 5:10 PM Room H (16-303 Building No.16)

Chair: Koichi Kitamura (JAEA)

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4:05 PM - 4:20 PM

[2H14] Laser Decontamination Device Technology Development

*Eisuke John Minehara¹ (1. The Wakasa Wan Energy Research Center)

4:20 PM - 4:35 PM

[2H15] The Result of Practical Use-Research about a Laser-Gouging Decontamination Method

*Yuki Hashikawa¹, Takehisa Okuda², Kazuhiro Yoshida², Takashi Nakano², Toshiya Komuro², Takashi Akaba², Takeshi Ueda² (1. NUSEC, 2. MHI)

4:35 PM - 4:50 PM

[2H16] Laser Cutting of Steel Equipment with 30 kW Fiber Laser

*Shin'ichi TOYAMA¹, Ryoya Ishigami¹ (1. The Wakasa Wan Energy REsearch Center)

4:50 PM - 5:05 PM

[2H17] Development of remotely operated boring technique for fuel debris cutting and retrieval

*Satoshi Ishihara¹, Akihisa Shindo¹, Osamu Taira¹, Hiroshi Hasegawa¹ (1. Taisei corporation)

Time reserved for Chair （5:05 PM - 5:10 PM）

Oral presentation

[2H18-22] Influence of materials in Severe accident

Tue. Mar 28, 2017 5:10 PM - 6:30 PM Room H (16-303 Building No.16)

Chair: Hiroshi Masaki (TOSHIBA)

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5:10 PM - 5:25 PM

[2H18] Effects of heating on the strength and the microstructure of the reactor materials during severe accident

(1)Estimation of the effect of heating during severe accident on the microstructure of the reactor core internal component materials

*Yuto Aoki¹, Keita Yoshinaga¹, Kota Sonobe¹, Kengo Hashimoto¹, Sho Yoshida¹, Shiro Jitsukawa¹ (1. Nitional Institute of Technology Fukushima college)

5:25 PM - 5:40 PM

[2H19] Effects of heating on the strength and the microstructure of the reactor materials during severe accident

(2)Estimation of the heating effects on the strength of containment vessel steels of the damaged Fukushima Daiichi nuclear plants

*Kengo Hashimoto¹, keita Yoshinaga¹, Yuto Aoki¹, Shiro Jitsukawa¹ (1. Nitional Institute of Technology Fukushima college)

5:40 PM - 5:55 PM

[2H20] Hydrogen generation by radiolysis of water containing oxidation products of zircaloy with different particle sizes.

*Yoshinobu Matsumoto¹, Masao Inoue², Ryuji Nagaishi², Toru Ogawa^1,2, Tatsuya Suzuki¹ (1. Nagaoka University of Technology, 2. Japan Atomic Energy Agency)

5:55 PM - 6:10 PM

[2H21] Cs Adsorption Behavior Evaluation on the Surface of Nuclear Reactor Structure Materials under High Temperature High Pressure Steam

*Takehiro Sumita¹, Kazuo Yonekawa², Yoshihiro Sekio², Isamu Sato¹, Yoshinao Kobayashi¹, Masahiko Osaka², Koji Maeda², Naoaki Akasaka² (1. Tokyo Institute of Technology, 2. JAEA)

6:10 PM - 6:25 PM

[2H22] Study on Dual Energy X-ray Computed Tomography with Portable High Energy X-ray CT for Material Analysis

*Junya Fukuoka¹, Mitsuru Uesaka¹ (1. UT NEM Uesaka_Lab)

Time reserved for Chair （6:25 PM - 6:30 PM）

Oral presentation

[3H01-04] Water sealing technology for F1 1

Wed. Mar 29, 2017 9:30 AM - 10:35 AM Room H (16-303 Building No.16)

Chair: Yukihiro Iguchi (JAEA)

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9:30 AM - 9:45 AM

[3H01] Feasibility test of water-sealing under water-flow condition in the steel pipe with high radiation resistant rubber-based material

(1)Outline of experiment and high radiation resistant rubber-based material

*Yukiko Takeuchi¹, Yasuo Hijioka², Hiroshi Masaki², Toshinori Dekura², Takashi Tabara¹, Chie Matsuda¹, Yoshito Kajinami³, Jun Goto³, Yoshimizu Hata³, Shohei Fukaura³ (1. KYOKUTO SANGYO, 2. IRID(TOSHIBA), 3. KYOKUTO RUBBER)

9:45 AM - 10:00 AM

[3H02] Feasibility test of water-sealing under water-flow condition in the steel pipe with high radiation resistant rubber-based material

(2)Characteristic test (Radiation resistance, Temperature, Viscosity, Chemical resistance, Compression)

*Shohei Fukaura¹, Yasuo Hijioka², Hiroshi Masaki², Toshinori Dekura², Jun Goto¹, Yoshito Kajinami¹, Yoshimizu Hata¹, Takashi Tabara³, Yukiko Takeuchi³, Chie Matsuda³ (1. KYOKUTO RUBBER, 2. IRID(TOSHIBA), 3. KYOKUTO SANGYO)

10:00 AM - 10:15 AM

[3H03] Feasibility test of water-sealing under water-flow condition in the steel pipe with high radiation resistant rubber –based material

(3)Water stop element test (Water pressure resistance, Pressure feeding, Filling, Water-sealing, )

*Yoshimizu Hata¹, Yasuo Hijioka², Hiroshi Masaki², Toshinori Dekura², Yoshito Kajinami¹, Jun Goto¹, Shohei Fukaura¹, Takashi Tabara³, Yukiko Takeuchi³, Chie Matsuda³ (1. KYOKUTO RUBBER, 2. IRID(TOSHIBA), 3. KYOKUTO SANGYO)

10:15 AM - 10:30 AM

[3H04] Applicability Examination for Water Stoppage Using the Photo-curable Resin

Development of Water Stoppage Technique by the Improved Photo-curable Resin

*Kozue Shimada¹, Chiaki Tomizuka¹, Takuya Shibata¹, Makoto Ooka¹, Yasunari Maekawa², Katsuhiro Aoyagi³, Masatoshi Shinoki³, Genichi Katagiri⁴, Hiroshi Ozaki⁴, Shin-ichi Koyama¹ (1. Japan Atomic Energy Agency, 2. National Institutes for Quantum and Radiological Science and Technology, 3. National Institute of Technology, Fukushima College, 4. Fuji Electric Co., Ltd.)

Time reserved for Chair （10:30 AM - 10:35 AM）

Oral presentation

[3H05-09] Water sealing technology for F1 2

Wed. Mar 29, 2017 10:35 AM - 11:55 AM Room H (16-303 Building No.16)

Chair: Shin'ichi Toyama (WERC)

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10:35 AM - 10:50 AM

[3H05] Development of water sealing method for S/C by filling up with antiwashout underwater concrete

(6)Outline for examination (summary and second concrete casting)

*Hiroshi Masaki¹, Yuji Murakami², Toshiaki Wakui², Hisashi Imai², Sumiyuki Sawada², Toshinori Dekura¹ (1. TOSHIBA CORPORATION, 2. HAZAMA ANDO CORPORATION)

10:50 AM - 11:05 AM

[3H06] Development of water sealing method for S/C by filling up with antiwashout underwater concrete

(7)Filling and Sealing Experiment of small-scale downcomer model with various conditions

*Yuji Murakami¹, Toshiaki Wakui¹, Hisashi Imai¹, Ryo Yamashita¹, Sumiyuki Sawada¹, Hiroshi Masaki² (1. HAZAMA ANDO CORPORATION, 2. TOSHIBA CORPORATION)

11:05 AM - 11:20 AM

[3H07] Development of water sealing method for S/C by filling up with antiwashout underwater concrete

(8)Filling and Sealing Experiment of downcomer with various water flow conditions

*Ryo Yamashita¹, Yuji Murakami¹, Toshiaki Wakui¹, Hisashi Imai¹, Sumiyuki Sawada¹, Hiroshi Masaki² (1. HAZAMA ANDO CORPORATION, 2. TOSHIBA CORPORATION)

11:20 AM - 11:35 AM

[3H08] Development of water sealing method for S/C by filling up with antiwashout underwater concrete

(9)Filling and Sealing Experiment for the real scale S/C facility model

*Hisashi Imai¹, Toshiaki Wakui¹, Yuji Murakami¹, Ryo Yamashita¹, Sumiyuki Sawada¹, Hiroshi Masaki² (1. HAZAMA ANDO CORPORATION, 2. TOSHIBA CORPORATION)

11:35 AM - 11:50 AM

[3H09] Development of water sealing method for S/C by filling up with antiwashout underwater concrete

(10)Filling and Sealing Experiment of vacuum breaker valve model

*Sumiyuki Sawada¹, Yuji Murakami¹, Toshiaki Wakui¹, Hisashi Imai¹, Ryo Yamashita¹, Hiroshi Masaki² (1. HAZAMA ANDO CORPORATION, 2. TOSHIBA CORPORATION)

Time reserved for Chair （11:50 AM - 11:55 AM）

Sessions

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

[2H09-13] System development and evaluation

(7)Development of Knowledge Retrieval Function Utilizing Task Ontology

Cost Analysis for Dismantling Reactor Components

[2H14-17] Decontamination and Cutting technology

[2H18-22] Influence of materials in Severe accident

(1)Estimation of the effect of heating during severe accident on the microstructure of the reactor core internal component materials

(2)Estimation of the heating effects on the strength of containment vessel steels of the damaged Fukushima Daiichi nuclear plants

[3H01-04] Water sealing technology for F1 1

(1)Outline of experiment and high radiation resistant rubber-based material

(2)Characteristic test (Radiation resistance, Temperature, Viscosity, Chemical resistance, Compression)

(3)Water stop element test (Water pressure resistance, Pressure feeding, Filling, Water-sealing, )

Development of Water Stoppage Technique by the Improved Photo-curable Resin

[3H05-09] Water sealing technology for F1 2

(6)Outline for examination (summary and second concrete casting)

(7)Filling and Sealing Experiment of small-scale downcomer model with various conditions

(8)Filling and Sealing Experiment of downcomer with various water flow conditions

(9)Filling and Sealing Experiment for the real scale S/C facility model

(10)Filling and Sealing Experiment of vacuum breaker valve model

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