Oral presentation

[1E01-02] Storage Container

Wed. Sep 5, 2018 10:15 AM - 10:50 AM Room E (A34 -A Building)

Chair:Tomofumi Sakuragi(RWMC)

+Add all to schedule

10:15 AM - 10:30 AM

[1E01] Evaluation of physical properties of SFPIC (Steel Fiber reinforced Polymer-Impregnated Concrete) for Storage Container of Radioactive Wastes

(1)Evaluation on Mechanical Properties and Durability

*Kenichi HONMA¹, Yasuyuki Ishida¹, Hiroyuki Sakamoto², Kazutoshi SHIBUYA², Hisayuki KOMORI², Yuusuke SATOH³, Ken Tsuruta⁴, Kenji OKAMOTO⁴ (1. TAIHEIYO CEMENT Central Research Laboratory, 2. TAIHEIYO CONSULTANT, 3. Tokyo Power Technology Ltd., 4. Materras Aume)

10:30 AM - 10:45 AM

[1E02] Evaluation of physical properties of SFPIC (Steel Fiber reinforced Polymer-Impregnated Concrete) for Storage Container of Radioactive Wastes

(2)Evaluation on permeation behavior of Cs, Sr and Cl

*Hiroyuki Sakamoto¹, Hisayuki Komori¹, Kazutoshi Shibuya¹, Kenichi Honma², Yasuyuki Ishida², Yusuke Sato³, Ken Tsuruta⁴, Kenji Okamoto⁴ (1. Taiheiyo Consultani Co., Ltd., 2. Taiheiyo Cement Corporation, 3. Tokyo Power Technology Ltd., 4. Materras Oume Concrete Industry)

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

Oral presentation

[1E03-04] Waste Related to Contaminated Water

Wed. Sep 5, 2018 10:50 AM - 11:25 AM Room E (A34 -A Building)

Chair:Takahiro Kikuchi(JGC)

+Add all to schedule

10:50 AM - 11:05 AM

[1E03] Ion-exchange modeling of cecium ions in metakaolin based geopolymer

*Yuka Morinaga¹, Satoshi Yoshida¹, Elakneswaran Yogarajah², Toyoharu Nawa³ (1. Graduate school of Engineering Hokkaido university, 2. Hokkaido university, Faculty of Engineering, 3. Hokkaido university)

11:05 AM - 11:20 AM

[1E04] Application of geopolymer for solidification of cesium adsorbed zeolite

*Kiyofumi Kurumisawa¹, Kenta Sasaki¹ (1. Hokkaido University)

Time reserved for Chair （11:20 AM - 11:25 AM）

Oral presentation

[1E05-06] Disposal Concept

Wed. Sep 5, 2018 11:25 AM - 12:00 PM Room E (A34 -A Building)

Chair:Taiji Chida(Tohoku Univ.)

+Add all to schedule

11:25 AM - 11:40 AM

[1E05] Conception that ultra-large concrete tank installed in the deep sea is the final disposal site

*Shigemi Morishige¹, Haruo Morishige¹, Yosuke Yamashiki^1,2, Harumi Morishige¹ (1. Fukushima Nuclear Accident Countermeasures Review Group, 2. Kyoto Univ.)

11:40 AM - 11:55 AM

[1E06] Necessity of Safety Assessment for variety of L3 disposal concept

*Taichi Saito¹, Hajime Takao¹ (1. JGC Corporation)

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

Oral presentation

[1E07-12] Nuclear Waste

Wed. Sep 5, 2018 2:45 PM - 4:20 PM Room E (A34 -A Building)

Chair:Toru Nagaoka(CRIEPI)

+Add all to schedule

2:45 PM - 3:00 PM

[1E07] Investigation of the influence on the scaling factor by adopting SUS316 material for BWR reactor structural components.

*Kensuke Suzuki¹, Niitsu Shigehiko¹, Mitsushi Motoyama² (1. Tokyo Electric Power Company Holdings, Inc., 2. JGC CORPORATION)

3:00 PM - 3:15 PM

[1E08] Study on transport assessment of LLW disposal for chemical components and radio-active nuclides in homogeneous wastes generated from PWR Plants

(1)Leaching behavior from wastes solidified by bitumen and study of their chemical stability in the LLW disposal site

*Mitsushi Motoyama¹, Shouzou Komori², Shintaro Tsuji³, Takashi Kozawa⁴, Kentaro Miyawaki⁵, Yuichi Nibori⁶ (1. JGC Corporation, 2. Kyusyu Electric Power Co.Inc, 3. Kansai Electric Power Co.Inc, 4. Japan Nuclear Fuel Ltd, 5. Meisei University , 6. Tohoku University)

3:15 PM - 3:30 PM

[1E09] Study on transport assessment of LLW disposal for chemical components and radio-active nuclides in homogeneous wastes generated from PWR Plants

(2)Evaluation for flow characteristics of bituminized waste (asphalt solidified PWR waste) in disposal facility

*Naoyuki Tamura¹, Naoki YOSHII¹, Takashi KOZAWA¹, Mitsushi Motoyama², Niibori Yuich³ (1. JNFL, 2. JGC, 3. Tohoku Uni.)

3:30 PM - 3:45 PM

[1E10] Study on transport assessment of LLW disposal for chemical components and radio-active nuclides in homogeneous wastes generated from PWR Plants

(3)Leaching behavior of chemical components from wastes solidified by cement

*Takao Ikeda¹, Shouzou Komori², Takashi Kozawa³, Mitsushi Motoyama¹, Kentaro Miyawaki⁴, Yuichi Nibori⁵ (1. JGC Corporation, 2. Kyusyu Electric Power Co.Inc, 3. Japan Nuclear Fuel Ltd, 4. Meisei University, 5. Tohoku University)

3:45 PM - 4:00 PM

[1E11] Leaching behavior of radionuclides from irradiated BWR cladding

(1) Long-term immersion test and result of carbon 14 leaching behavior

*Yu Yamashita¹, Katsumi Hosaka¹, Masashi Ichikawa², Tomofumi Sakuragi³ (1. Toshiba Energy Systems & Solutions, 2. Nippon Nuclear Fuel Development, 3. Radioactive Waste Management Funding and Research Center)

4:00 PM - 4:15 PM

[1E12] Leaching behavior of radionuclides from irradiated BWR cladding

(2) C-14 speciation and corrosion-related congruent release

*Tomofumi Sakuragi¹, Yu Yamashita², Katsumi Hosaka², Masashi Ichikawa³ (1. RWMC, 2. TOSHIBA, 3. NFD)

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

Oral presentation

[1E13-17] Overpack

Wed. Sep 5, 2018 4:20 PM - 5:40 PM Room E (A34 -A Building)

Chair:Atsushi Fujishima(NUMO)

+Add all to schedule

4:20 PM - 4:35 PM

[1E13] Corrosion behavior of weld joint of carbon steel overpack under geological environment

Part 1 Experimental plan

*MITUYASU SHIRASE¹, KAZUTOSHI YAMAZAKI², TAKAHIRO KIKUCHI ², YOSHIRO KURIKI², YUMIKO IWATA³, GEN NAKAYAMA³, YOSHIKATSU TOCHIGI³, MAKOTO ONO⁴, MASATO KOBAYASHI¹, MASAHIRO KWAKUBO¹ (1. RWMC, 2. JGC CORPORATION, 3. IHI CORPORATION, 4. TAISEI CORPORATION)

4:35 PM - 4:50 PM

[1E14] Corrosion behavior of weld joint of carbon steel overpack under geological environment.

Part 2 Corrosion behavior of engineering scale testing.

*Kazutoshi Yamazaki¹, Hajime Takao¹, Takahiro Kikuchi¹, Yoshiro Kuriki¹, Masato Kobayashi², Masahiro Kawakubo², Mitsuyasu Shirase², Yumiko Iwata³, Gen Nakayama³, Makoto Ono⁴ (1. JGC CORPORATION, 2. RADIOACTIVE WASTE MANAGEMENT FUNDING AND RESEARCH CENTER, 3. IHI Corporation, 4. TAISEI CORPORATION)

4:50 PM - 5:05 PM

[1E15] Corrosion behavior of weld joint of carbon steel overpack under geological environment

Part 3: Effect of bentonite swelling process on homogeneous corrosion.

*Yumiko Iwata¹, Gen Nakayama¹, Yoshikatsu Tochigi¹, Kazutoshi Yamazaki³, Hajime Takao³, Takahiro Kikuchi³, Yoshiro Kuriki³, Masato Kobayashi², Masahiro Kawakubo² (1. IHI Corporation, 2. RWMC, 3. JGC Corporation)

5:05 PM - 5:20 PM

[1E16] Corrosion behavior of weld joint of carbon steel overpack under geological environment

Part 4: Summary

*Masato Kobayashi¹, kazutoshi yamazaki², hajime takao², takahiro kikuchi², Yoshiro kuriki², Yumiko Iwata³, Gen Nakayama³, Makoto Ono⁴, Mitsuyasu Shirase¹, Masahiro Kawakubo¹ (1. RWMC, 2. JGC corporation, 3. IHI corporation, 4. TAISEI corporation)

5:20 PM - 5:35 PM

[1E17] Carbon steel corrosion by iron-corroding microbial community in compacted buffer materials

*Toru Nagaoka¹, Shin-ichi Hirano¹, Norio Matsumoto¹, Yuki Amano² (1. CRIEPI, 2. JAEA)

Time reserved for Chair （5:35 PM - 5:40 PM）

Oral presentation

[2F01-04] Cement

Thu. Sep 6, 2018 9:30 AM - 10:35 AM Room F (A36 -A Building)

Chair:Masaaki Fukaya(OBAYASHI)

+Add all to schedule

9:30 AM - 9:45 AM

[2F01] Study on change of diffusion coefficient due to leaching of mortar

(1) Evaluation of physical properties of leached sample

*Masahito Sibata¹, Kazuko Haga¹, Daisuke Hayashi², Masaya Ida², Kiyofumi Kurumisawa³ (1. Taiheiyo Consultant Co.,Ltd, 2. Radioactive Waste Management Funding and Research Center, 3. Hokkaido University)

9:45 AM - 10:00 AM

[2F02] Study on change of diffusion coefficient due to leaching of mortar

(2) The prediction model of diffusion coefficient in Ca leached mortar

Kiyofumi Kurumisawa¹, *Masaya Ida², Daisuke Hayashi², Masahito Shibata³, Kazuko Haga³ (1. Hokkaido University, 2. Radioactive waste management funding and research center, 3. Taiheiyo Consultant Co.,Ltd.)

10:00 AM - 10:15 AM

[2F03] Evaluation of leaching phenomena of long-cured Fly Ash Cement hydrates

*Mebae Kuranaga¹, Sayuri Tomita¹, Masahito Shibata¹, Kazuko Haga¹ (1. Taiheiyo Consultant Co.,Ltd)

10:15 AM - 10:30 AM

[2F04] Evaluation of long-cured Fly Ash Cement hydrates

*Sayuri Tomita¹, Kazuko Haga¹, Haruka Takahashi¹, Yoshitaka Ishikawa², Sadayuki Watanabe³, Ippei Maruyama⁴ (1. Taiheiyo Consultant Co. Ltd., 2. Electric Power Development Co. Ltd., 3. Tokyo Metropolitan Industrial Technology Research Institute, 4. Nagoya University)

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

Oral presentation

[2F05-09] Bentonite

Thu. Sep 6, 2018 10:35 AM - 11:55 AM Room F (A36 -A Building)

Chair:Haruo Sato(Okayama Univ.)

+Add all to schedule

10:35 AM - 10:50 AM

[2F05] Filling density of crushed-rock-based backfill material with different-sized bentonite pellets

*hitoshi nakashima¹, Akira Saito¹, Ryoji Yahagi¹, Okihara Mitsunobu¹, Satohito Toguri¹ (1. Shimizu Corporation)

10:50 AM - 11:05 AM

[2F06] measurement of swelling pressure of bentonite in consideration of temperature change

*Naoki Muto¹, Nozomi Ichikawa¹, Shin-ichi Kanazawa¹ (1. National Institute of Technology, Fukushima College )

11:05 AM - 11:20 AM

[2F07] Analytical study on re-flooding behavior of bentonite buffer materials using heat / soil / water / air coupled analysis

*Nozomi Ichikawa¹, Shin-ichi Kanazawa¹, Naoki Muto¹, Koji Ishiiyama² (1. National Institute of Technology, Fukushima College, 2. Nishimatsu Construction CO.,LTD)

11:20 AM - 11:35 AM

[2F08] Study on alkaline alteration processes of bentonite by the natural analogues in the Philippines

*Naoki Fujii¹, Minoru Yamakawa¹, Tsutomu Sato², Misato Shimbashi², Masanobu Nishimura³, Yukinobu Kimura³, Hisao Satoh⁴ (1. RWMC, 2. Hokkaido Univ., 3. Obayashi Corp., 4. MMC)

11:35 AM - 11:50 AM

[2F09] Effect of axial stiffness of swelling pressure test apparatus on test results and settlement evaluation

*Yukihisa Tanaka¹, Yasutaka Watanabe¹, Kunihiko Nakamura¹ (1. CRIEPI)

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

Oral presentation

[2F10-15] Nuclide Migration

Thu. Sep 6, 2018 2:45 PM - 4:15 PM Room F (A36 -A Building)

Chair:Hitoshi Owada(RWMC)

+Add all to schedule

2:45 PM - 3:00 PM

[2F10] Transport and Deposition Behavior of PEG-Modified Gold Nanoparticles in Natural Barriers

*Carlos Ordonez¹, Shingo Tanaka², Naoko Watanabe², Tamotsu Kozaki² (1. Graduate School of Engineering Hokkaido University, 2. Faculty of Engineering Hokkaido University)

3:00 PM - 3:15 PM

[2F11] Study on the diffusion behavior of radionuclides in Boom Clay

*Yuya Mizukami¹, Naoko Watanabe², Tamotsu Kozaki², Shingo Tanaka², Yosuke Akagi³ (1. Graduate School of Engineering Hokkaido University, 2. Faculty of Engineering Hokkaido University, 3. Mitsubishi Materials Corporation)

3:15 PM - 3:30 PM

[2F12] Plutonium solubility in the presence of carbonate at high ionic strength

*Taishi Kobayashi¹, Takayuki Sasaki¹ (1. Kyoto University, Graduate School of Engineering)

3:30 PM - 3:45 PM

[2F13] Measurement and thermodynamic interpretation of zeta potential of Zr hydroxide colloid

*Tomokazu Fushimi¹, Taishi Kobayashi¹, Takayuki Sasaki¹ (1. Kyoto University, Graduate School of Engineering)

3:45 PM - 4:00 PM

[2F14] Viscosity of Interlayer Water in Montmorillonite from Molecular Dynamics Method

*Kenji Yotsuji¹, Yukio Tachi¹, Katsuyuki Kawamura² (1. JAEA, 2. Tokyo Tech)

4:00 PM - 4:15 PM

[2F15] Effect of Carbonate on diffusion of Strontium in Bentonite

*Ryota Yamada¹, Kazuya Idemitsu², Masayuki Hirakawa¹, Yuki Kakoi¹, Hajime Arimitsu¹, Yaohiro Inagaki², Tatsumi Arima² (1. Kyushu University Graduate of Engineering Department of applide Quantum phisics and Nuclear Engineering, 2. Kyushu University Department of Engineering)

Oral presentation

[2F16-20] Sorption

Thu. Sep 6, 2018 4:15 PM - 5:30 PM Room F (A36 -A Building)

Chair:Taishi Kobayashi(Kyoto Univ.)

+Add all to schedule

4:15 PM - 4:30 PM

[2F16] Effect of alkali ions on sorption of Cs, Sr ions on cement hydrate

*Shuichi Harasawa¹, Kazuko Haga¹, Sadayuki Watanabe², Kazuo Yamada³ (1. Taiheiyo Consultant Co.Ltd., 2. Tokyo Metropolitan Industrial Research Institute, 3. National Institute For Enviromental Studies)

4:30 PM - 4:45 PM

[2F17] Distribution and leaching behavior of Cs and Sr in simulated concrete

*Satoshi Nakagawa¹, Shigeru Ueda², Xu Gao², Shinya Kitamura² (1. Graduate School of Engieering, Tohoku University, 2. Institute of Multidisciplinary Research for Advanced Materials, Tohoku University)

4:45 PM - 5:00 PM

[2F18] Application of Sorption Model to Uranium Sorption onto Montmorillonite in the Presence of Carbonate

*Yuki Sugiura¹, Yukio Tachi¹, Tadahiro Suyama¹, Takafumi Hamamoto² (1. JAEA, 2. NUMO)

5:00 PM - 5:15 PM

[2F19] Evaluation of Sorption Behavior of Europium to Biotite, Phlogopite and Muscovite using the Flake Samples

*Masaya Ishijima¹, Taiji Chida¹, Yuichi Niibori¹ (1. Tohoku Univ.)

5:15 PM - 5:30 PM

[2F20] Evaluation of the C-14 distributed coefficient for the PWR radioactive solid wastes

*Naokazu Sumitani¹, Shintaro Tsuji¹, Yoshitaka Mino², Tetsuro Sakakihara³, Shouzou Komori⁴, Yusuke Yamada⁵ (1. The kansai Electric Power co.,INC, 2. Hokkaido Electric Power co.,INC, 3. Shikoku Electric Power co.,INC, 4. Kyushu Electric Power co.,INC, 5. The Japan Atomic Power Company)

Oral presentation

[2F21-24] In-situ Test

Thu. Sep 6, 2018 5:30 PM - 6:30 PM Room F (A36 -A Building)

Chair:Tamotsu Kozaki(Hokkaido Univ.)

+Add all to schedule

5:30 PM - 5:45 PM

[2F21] Experimental and modelling results of in-situ Long-Term Diffusion test in granodiorite matrix at Grimsel Test Site

*Yuta Fukatsu¹, Tsuyoshi Ito², Yukio Tachi¹, Keisuke Ishida³, Andrew Martin⁴ (1. Japan Atomic Energy Egency, 2. Visible Information Center, Inc., 3. Nuclear Waste Management Organization of Japan, 4. Nagra)

5:45 PM - 6:00 PM

[2F22] Modelling of radionuclide migration in Grimsel granodiorite with microscale heterogeneities

*Ryosuke Ohta¹, Kazuaki Mitsuyama¹, Yukio Tachi², Kenji Yotsuji², Tomofumi Sato², Hisao Satoh³, Andrew Martin⁴ (1. QJ Science Ltd., 2. JAEA, 3. Mitsubishi Materials Co., 4. Nagra)

6:00 PM - 6:15 PM

[2F23] In-situ mock-up test on the hydrochemical influence of cement materials to groundwater

*Teruki Iwatsuki¹, Hiroaki Murakami¹, Yusuke Watanabe¹, Kenji Fukuda¹ (1. JAEA)

6:15 PM - 6:30 PM

[2F24] Study on solute-transport properties at the Horonobe URL: In-situ tracer tests for fractures in fault zone

In situ tracer test for fractures in fault zone

*Masaki Takeda¹, Hirokazu Ohno¹, Eiichi Ishii¹, Yukio Tachi¹, Kazuaki Nemoto¹ (1. Japan Atomic Energy Agency)

Sessions

V. Nuclear Fuel Cycle and Nuclear Materials » 505-2 Waste Disposal and Its Environmental Aspects

[1E01-02] Storage Container

(1)Evaluation on Mechanical Properties and Durability

(2)Evaluation on permeation behavior of Cs, Sr and Cl

[1E03-04] Waste Related to Contaminated Water

[1E05-06] Disposal Concept

[1E07-12] Nuclear Waste

(1)Leaching behavior from wastes solidified by bitumen and study of their chemical stability in the LLW disposal site

(2)Evaluation for flow characteristics of bituminized waste (asphalt solidified PWR waste) in disposal facility

(3)Leaching behavior of chemical components from wastes solidified by cement

(1) Long-term immersion test and result of carbon 14 leaching behavior

(2) C-14 speciation and corrosion-related congruent release

[1E13-17] Overpack

Part 1 Experimental plan

Part 2 Corrosion behavior of engineering scale testing.

Part 3: Effect of bentonite swelling process on homogeneous corrosion.

Part 4: Summary

[2F01-04] Cement

(1) Evaluation of physical properties of leached sample

(2) The prediction model of diffusion coefficient in Ca leached mortar

[2F05-09] Bentonite

[2F10-15] Nuclide Migration

[2F16-20] Sorption

[2F21-24] In-situ Test

In situ tracer test for fractures in fault zone

Authentication