KAWAAI KEIYU 河合慶有

… Alternative Names

Kawaai Keiyu 河合慶有

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Researcher Number	90725631
Other IDs
Affiliation (Current)	2025: 愛媛大学, 理工学研究科(工学系), 教授
Affiliation (based on the past Project Information) *help	2018 – 2024: 愛媛大学, 理工学研究科(工学系), 准教授 2016 – 2018: 愛媛大学, 理工学研究科(工学系), 講師 2015: 愛媛大学, 理工学研究科, 助教
Review Section/Research Field	Principal Investigator Basic Section 22010:Civil engineering material, execution and construction management-related / Civil engineering materials/Construction/Construction management Except Principal Investigator Basic Section 22010:Civil engineering material, execution and construction management-related / Civil engineering materials/Construction/Construction management
Keywords	Principal Investigator カソード反応 / 鋼材腐食 / 酸素透過 / 物質輸送連成解析 / 酸素低減材 / 電気化学 / 律速条件 / 酸素拡散 / 溶存酸素 / 電気化学特性 … More / ひび割れ補修 / マクロセル腐食 / 好気性微生物 / 鉄筋腐食抵抗性 / 自己治癒 / 腐食形態 / 電気化学計測 / 光学計測 / 限界電流 / ミクロセル / マクロセル / 物理化学連成 / 光学 / 酸素拡散性 / 腐食機構 / 酸素・pHイメージング / 拡散律速 / 好気性部生物 / 電気抵抗率 / 自己・自律治癒 / 酸素透過性 / 酸素低減 / カソード防錆剤 / アルギン酸 / 断面修復 / 物質輸送 / カソード分極曲線 / 物理化学連成モデル / 酸素拡散律速 / 腐食抑制 / 電気化学的計測 / 物理化学連成解析 / 微生物代謝 / マイクロカプセル / バイオ複合材 / 漏水抑制 / 自己治癒補修 / 溶存酸素濃度 / カソード分極 / 鉄筋腐食 / 自然電位 / 水平鉄筋 / 酸素透過速度 / 表層透気性 / ブリーディング / 材料分離 / 含水率 / 透気係数 / 耐久性能 / 不均質さ … More Except Principal Investigator コンクリート / 電気化学的測定 / 銅スラグ / 鉄筋腐食抑制 / 抗菌性 / 銅スラグ微粉末 / 銅スラグ細骨材 / 腐食対策 / 物質移動 / 反応 / 酸素低減 / カソード / アノード / 抑制方法 / 土中 / 鋼材腐食 / 漏水 / ひび割れ / 補修 / バイオグラウト Less

Re-consideration of corrosion mechanism based on electro-chemical and optical measurements and validation by physico-chemical coupled analysisPrincipal Investigator
- Principal Investigator
  
  河合慶有
- Project Period (FY)
  2023 – 2025
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Review Section
  
  Basic Section 22010:Civil engineering material, execution and construction management-related
- Research Institution
  Ehime University
Development of concrete with corrosion inhibition of steel bar and antibacterial using copper slag
- Principal Investigator
  
  氏家勲
- Project Period (FY)
  2022 – 2024
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Review Section
  
  Basic Section 22010:Civil engineering material, execution and construction management-related
- Research Institution
  Ehime University
Corrosion factors of underground steel considering reaction/transportation of substances and proposal of countermeasure for the corrosion protection
- Principal Investigator
  
  Nishida Takahiro
- Project Period (FY)
  2020 – 2022
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Review Section
  
  Basic Section 22010:Civil engineering material, execution and construction management-related
- Research Institution
  Shizuoka Institute of Science and Technology
  National Institute of Maritime, Port and Aviation Technology
Evaluation techniques on corrosion resistance based on oxygen permeabilityPrincipal Investigator
- Principal Investigator
  
  Kawaai Keiyu
- Project Period (FY)
  2019 – 2022
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Review Section
  
  Basic Section 22010:Civil engineering material, execution and construction management-related
- Research Institution
  Ehime University
Effect of self-healing in concrete and an assessment technique based on corrosion resistancePrincipal Investigator
- Principal Investigator
  
  Kawaai Keiyu
- Project Period (FY)
  2017 – 2019
- Research Category
  
  Grant-in-Aid for Young Scientists (A)
- Research Field
  
  Civil engineering materials/Construction/Construction management
- Research Institution
  Ehime University
Estimation method for durability performance in cover concrete adversely affected by segregationPrincipal Investigator
- Principal Investigator
  
  Kawaai Keiyu
- Project Period (FY)
  2015 – 2016
- Research Category
  
  Grant-in-Aid for Young Scientists (B)
- Research Field
  
  Civil engineering materials/Construction/Construction management
- Research Institution
  Ehime University
Study on practical application of repair method of concrete crack using microbial metabolism
- Principal Investigator
  
  Ujike Isao
- Project Period (FY)
  2015 – 2018
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Research Field
  
  Civil engineering materials/Construction/Construction management
- Research Institution
  Ehime University

All 2023 2022 2021 2020 2019 2018 2017 2016 2015

All Journal Article Presentation Book

[Book] 月刊コンクリートテクノ2020
- Author(s)
  河合慶有, 西田孝弘, 齋藤淳(担当:共著)
- Total Pages
  67
- Publisher
  セメント新聞社
- Data Source
  KAKENHI-PROJECT-19H02216
[Book] 自己修復材料、自己組織化、形状記憶材料の開発と応用事例2020
- Author(s)
  河合慶有他58名
- Total Pages
  446
- Publisher
  情報技術協会
- ISBN
  9784861047817
- Data Source
  KAKENHI-PROJECT-19H02216
[Journal Article] Numerical evaluation on electrical resistivity of hardened cement paste using 3D pore model based on X-ray micro-CT images2023
- Author(s)
  K. Kawaai and T. Nishida
- Journal Title
  
  Life-Cycle of Structures and Infrastructure Systems; Biondini & Frangopol (Eds)
  
  Volume: 1 Pages: 3033-3040
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-23K26176
[Journal Article] Self-Healing Concrete Using Bacillus Subtilis and Biodegradable Plastic for Crack Repair2023
- Author(s)
  K. Kawaai and T. Nishida
- Journal Title
  
  Life-Cycle of Structures and Infrastructure Systems; Biondini & Frangopol (Eds)
  
  Volume: 1
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23K26176
[Journal Article] NUMERICAL MODEL OF MACRO-CELL CORROSION CONTROLLED BY OXYGEN-DIFFUSION IN CONCRETE2023
- Author(s)
  Shun Kusakabe, Keiyu Kawaai, Takahiro Nishida, Isao Ujike
- Journal Title
  
  Proceedings of the Thirteenth International Conference on Geotechnique, Construction Materials & Environment
  
  Volume: 13 Pages: 565-570
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-23K26176
[Journal Article] Activation Energies of Chloride Induced Corrosion of Steel in Concrete2022
- Author(s)
  Takahiro Nishida, Keiyu Kawaai, Nobuaki Otsuki
- Journal Title
  
  Proceedings of GEOMATE 2022
  
  Volume: 12 Pages: 378-383
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-20K04657
[Journal Article] Reduction of Dissolved Oxygen in Minimizing Corrosion2022
- Author(s)
  Mary Grace Ventanilla, Jason Ongpeng, Takahiro Nishida, Keiyu Kawaai
- Journal Title
  
  Acta Polytechnica CTU Proceedings
  
  Volume: 33 Pages: 624-630
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-20K04657
[Journal Article] Corrosion of underground Steel between Soil and Clay and Its Prevention2022
- Author(s)
  Keiyu Kawaai, Takahiro Nishida
- Journal Title
  
  Proceedings of GEOMATE 2022
  
  Volume: 12 Pages: 276-279
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-20K04657
[Journal Article] Application of bio-based materials to crack and patch repair methods in concrete2022
- Author(s)
  K.Kawaai, T.Nishida, A.Saito, T.Hayashi
- Journal Title
  
  Construction and Building Materials
  
  Volume: 340 Pages: 127718-127718
- DOI
  10.1016/j.conbuildmat.2022.127718
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19H02216
[Journal Article] 相対湿度の上昇に伴う水・酸素の供給が中性化よるマクロセル腐食に及ぼす影響2022
- Author(s)
  深川大輔, 河合慶有, 西田孝弘, 氏家勲
- Journal Title
  
  コンクリート構造物の補修，補強，アップグレード論文報告集
  
  Volume: 22
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19H02216
[Journal Article] カソード分極試験における鋼材周囲の酸素濃度の変動と律速条件の関係2022
- Author(s)
  平城清志, 河合慶有, 西田孝弘, 氏家勲
- Journal Title
  
  コンクリート構造物の補修，補強，アップグレード論文報告集
  
  Volume: 22
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19H02216
[Journal Article] カソード分極試験における鋼材周囲の酸素濃度の変動と律速条件の関係2022
- Author(s)
  平城清志, 河合慶有, 西田孝弘, 氏家勲
- Journal Title
  
  コンクリート構造物の補修，補強，アップグレード論文報告集
  
  Volume: 22 Pages: 25-28
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20K04657
[Journal Article] 鋼材腐食抑制のための酸素低減型混和材の開発2021
- Author(s)
  西田孝弘，河合慶有，齋藤淳，大即信明
- Journal Title
  
  コンクリート構造物の補修，補強，アップグレード論文報告集
  
  Volume: 21 Pages: 41-46
- NAID
  40022764603
- Data Source
  KAKENHI-PROJECT-20K04657
[Journal Article] INFLUENCING FACTORS AFFECTING SELF-HEALING EFFICIENCY IN CEMENTITIOUS MIXTURES2021
- Author(s)
  河合慶有，井手昌彦
- Journal Title
  
  Cement Science and Concrete Technology
  
  Volume: 74 Issue: 1 Pages: 294-301
- DOI
  10.14250/cement.74.294
- NAID
  130008009154
- ISSN
  0916-3182, 2187-3313
- Year and Date
  2021-03-31
- Language
  Japanese
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-19H02216
[Journal Article] Effect of copper slag fine aggregate on corrosion processes and behavior in reinforced concrete prism specimen2021
- Author(s)
  Nevy Sandra, Keiyu Kawaai, Isao Ujike
- Journal Title
  
  Construction and Building Materials
  
  Volume: 271 Pages: 121909-121909
- DOI
  10.1016/j.conbuildmat.2020.121909
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-19H02216
[Journal Article] Application of bio-based material for concrete repair: case study leakage on parallel concrete slab2019
- Author(s)
  Yane Putri Prima、Ujike Isao、Kawaai Keiyu
- Journal Title
  
  MATEC Web of Conferences
  
  Volume: 258 Pages: 01013-01013
- DOI
  10.1051/matecconf/201925801013
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-15H04025
[Journal Article] Corrosion resistance of steel bars in mortar mixtures mixed with organic matter, microbial or other2019
- Author(s)
  K. Kawaai, T. Nishida, A. Saito, I. Ujike, and S. Fujioka
- Journal Title
  
  Cement and Concrete Research
  
  Volume: 124 Pages: 105822-105822
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-19H02216
[Journal Article] ALGINATE-BACILLUS SUBTILIS BASED REPAIR MATERIALS FOR SEALING CRACKS IN CONCRETE2018
- Author(s)
  M. Ide and K. Kawaai and I. Ujike
- Journal Title
  
  International Conference on Interdisciplinary Approaches for Cement-based Materials and Structural Concrete
  
  Volume: 1 Pages: 487-492
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-17H04933
[Journal Article] APPLICABILITY OF BIO-BASED MATERIALS TO REPAIR WATER LEAKAGE OF CONCRETE2018
- Author(s)
  Prima Yane Puteri, Isao Ujike, Keiyu Kawaai,
- Journal Title
  
  「コンクリート工学年次論文集
  
  Volume: Vol.40
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-15H04025
[Journal Article] CATHODIC POLARIZATION PROPERTIES OF STEEL BARS IN CONCRETE MIXED WITH AEROBIC MICROORGANISM2018
- Author(s)
  K. Kawaai, I. Ujike, S. Fujioka, T. Nishida and A. Saito
- Journal Title
  
  Final Conference of RILEM TC 253-MCI
  
  Volume: 1 Pages: 259-266
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-17H04933
[Journal Article] APPLICABILITY OF BIO-BASED MATERIALS TO REPAIR WATER LEAKAGE OF CONCRETE2018
- Author(s)
  Prima Yane Puteri, Isao Ujike, Keiyu Kawaai
- Journal Title
  
  コンクリート工学年次論文集
  
  Volume: Vol.40 Pages: 1551-1556
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-15H04025
[Journal Article] Electrical Resistance Tomography for Assessing Water Movement in Cracked Cementitious Mixtures2018
- Author(s)
  Keiyu Kawaai, and Isao Ujike
- Journal Title
  
  MATEC Web of Conferences
  
  Volume: 199 Pages: 1-4
- DOI
  10.1051/matecconf/201819911016
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-17H04933
[Journal Article] 材料分離に起因する不均質さが水平鉄筋の腐食性状に与える影響2017
- Author(s)
  河合慶有、氏家勲
- Journal Title
  
  コンクリート工学年次論文集
  
  Volume: 39(1) Pages: 697-702
- Peer Reviewed / Acknowledgement Compliant / Open Access
- Data Source
  KAKENHI-PROJECT-15K18100
[Journal Article] Influence of Different Concentration of Tris Buffer Solution on Calcium Carbonate Precipitation in Bio-based Repair Materials2017
- Author(s)
  Prima Yane Puteri, Keiyu Kawaai, Isao Ujike, Hiroshi Okuno
- Journal Title
  
  International Journal on Advanced Science, Engineering and Information Technology
  
  Volume: Vol.7, No.5 Pages: 1879-1885
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-15H04025
[Journal Article] Influence of the Type of Dry Yeast on Precipitation Rate of Calcium Carbonate in Bio-based Repair Materials2017
- Author(s)
  Prima Yane Puteri, Isao Ujike, Keiyu Kawaai,
- Journal Title
  
  Proceedings of International Conference on Bio-based Building materials
  
  Volume: - Pages: 133-139
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-15H04025
[Journal Article] 表層透気性を用いたブリーディングに起因する不均質性の評価2017
- Author(s)
  久保勇登、河合慶有、氏家勲
- Journal Title
  
  コンクリート構造物の補修、補強、アップグレードシンポジウム
  
  Volume: 00
- Peer Reviewed / Acknowledgement Compliant / Open Access
- Data Source
  KAKENHI-PROJECT-15K18100
[Journal Article] Some considerations on precipitation rate of calcium carbonate in bio-based materials used for concrete repair:2016
- Author(s)
  K. Kawaai&I. Ujike, S. Yamamoto & P.Y. Putri
- Journal Title
  
  Proceedings of International Conference on Concrete Repair
  
  Volume: - Pages: 580-587
- Peer Reviewed / Acknowledgement Compliant / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-15H04025
[Journal Article] Influence of Bleeding on Durability of Horizontal Steel Bars in RC Column Specimen2016
- Author(s)
  K. Kawaai, and I. Ujike
- Journal Title
  
  Fifth International Symposium on Life-Cycle Civil Engineering
  
  Volume: 00 Pages: 839-846
- DOI
  10.1201/9781315375175-114
- ISBN
  9781315375175
- Peer Reviewed / Acknowledgement Compliant / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-15K18100
[Journal Article] Some Considerations on Precipitation Rate of Calcium Carbonate in Bio-based Materials Used for Concrete Repair2016
- Author(s)
  K. Kawaai, I. Ujike & S. Yamamoto
- Journal Title
  
  Proceedings of 6th International Conference on Concrete Repair
  
  Volume: 印刷中
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-15H04025
[Journal Article] Effect of temperature on precipitation rate of calcium carbonate produced through microbial metabolic process of bio materials2016
- Author(s)
  Prima Yane Putri, Keiyu Kawaai, Isao Ujike and Saya Yamamoto
- Journal Title
  
  Proceedings of international conference of sustainable civil engineering structures and construction materials
  
  Volume: 印刷中
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-15H04025
[Journal Article] Effect of Temperature on Precipitation Rate of Calcium Carbonate Produced through Microbial metabolic Process of Bio Materials2016
- Author(s)
  Putri, P.Y., Kawaai, K., Ujike, I. and Yamamoto, S
- Journal Title
  
  Journal of Civil Engineering Science and Application
  
  Volume: Vol.18,No.2 Pages: 103-108
- Peer Reviewed / Acknowledgement Compliant / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-15H04025
[Journal Article] 炭酸カルシウムの析出速度及び析出量に及ぼす諸要因に関する研究2015
- Author(s)
  山本沙也、久保郁貴、河合慶有、氏家勲
- Journal Title
  
  コンクリート工学年次論文集
  
  Volume: Vol.37 Pages: 1585-1590
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-15H04025
[Presentation] Bio-based materials: crack repair and enhancement of corrosion resistance2022
- Author(s)
  Keiyu Kawaai
- Organizer
  International Conference on Civil and Mining Engineering
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-19H02216
[Presentation] 水分浸透と酸素透過を対象とした計測技術2022
- Author(s)
  河合慶有
- Organizer
  JCI-TC201A コンクリート構造物の劣化予測における学術研究の役割とその成果の活用に関する研究委員会報告会
- Data Source
  KAKENHI-PROJECT-19H02216
[Presentation] 微生物を用いたひび割れ補修と腐食抑制2022
- Author(s)
  河合慶有
- Organizer
  独立行政法人日本学術振興会レジリエントインフラのための次世代建設材料の創成R023委員会
- Invited
- Data Source
  KAKENHI-PROJECT-19H02216
[Presentation] Reduction Of Dissolved Oxygen In Minimizing Corrosion2021
- Author(s)
  VENTANILLA, Mary Grace, ONGPENG, Jason, NISHIDA, Takahiro, KAWAAI, Keiyu
- Organizer
  Acta Polytechnica CTU Proceedings
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-19H02216
[Presentation] 鋼材腐食抑制のための酸素低減型混和材の開発2021
- Author(s)
  西田孝弘, 河合慶有, 齋藤淳, 大即信明
- Organizer
  コンクリート構造物の補修，補強，アップグレード論文報告集
- Invited
- Data Source
  KAKENHI-PROJECT-19H02216
[Presentation] Effect of Crack Repair by Bio-Based Materials Using Alginate and Bacillus Subtilis under Wet and Dry Environment Part-I2020
- Author(s)
  K. Kawaai, T. Nishida, A. Saito
- Organizer
  XV International Conference on Durability of Building Materials and Components. eBook of Proceedings
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-19H02216
[Presentation] Effect of Crack Repair by Bio-Based Materials Using Alginate and Bacillus Subtilis under Wet and Dry Environment Part-II2020
- Author(s)
  T. Nishida, K. Kawaai, A. Saito
- Organizer
  XV International Conference on Durability of Building Materials and Components. eBook of Proceedings
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-19H02216
[Presentation] EFFECT OF DEGREE OF WATER SATURATION ON OXYGEN PERMEABILITY IN MORTAR SPECIMENS MIXED WITH AEROBIC MICROORGANISM (accepted)2020
- Author(s)
  S. Sugitani, K. Kawaai, I. Ujike
- Organizer
  The 4th International RILEM conference Microstructure Related Durability of Cementitious Composites
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-19H02216
[Presentation] Effect of oxygen permeability on corrosion properties in mortar specimens mixed with bacillus subtilis2019
- Author(s)
  S. Sugitani, K. Kawaai and I. Ujike
- Organizer
  Concrete Solutions - 7th International Conference on Concrete Repair
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-19H02216
[Presentation] Effect of Water Saturation Degree on Oxygen Permeability in Mortar Specimens Mixed with Aerobic Microorganism of Bacillus Subtilis2019
- Author(s)
  K. Kawaai and S. Sugitani
- Organizer
  4th International Symposium on Concrete and Structures for Next Generation
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-19H02216
[Presentation] 微生物代謝による炭酸カルシウム析出解析モデルの構築2018
- Author(s)
  榊原洋子、岡崎慎一郎、氏家勲、河合慶有
- Organizer
  土木学会四国支部第24回技術研究発表会
- Data Source
  KAKENHI-PROJECT-15H04025
[Presentation] 納豆菌とアルギン酸を用いたグラウト材のひび割れ補修効果の検討2018
- Author(s)
  井手昌彦、河合慶有、氏家勲
- Organizer
  土木学会四国支部第24回技術研究発表会
- Data Source
  KAKENHI-PROJECT-15H04025
[Presentation] CATHODIC POLARIZATION PROPERTIES OF STEEL BARS IN CONCRETE MIXED WITH AEROBIC MICROORGANISM OF BACILLUS SUBTILIS2018
- Author(s)
  K. Kawaai, I. Ujike, S. Fujioka, T. Nishida and A. Saito
- Organizer
  Final Conference of RILEM TC 253-MCI
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-17H04933
[Presentation] 材料分離の影響を受けた水平鉄筋の腐食性状に及ぼす酸素透過の影響2017
- Author(s)
  河合慶有、仲井一平、氏家勲
- Organizer
  土木学会四国支部技術研究発表会講演概要集web
- Place of Presentation
  愛媛県松山市文京町３番　愛媛大学
- Year and Date
  2017-05-19
- Data Source
  KAKENHI-PROJECT-15K18100
[Presentation] CALCITE-ALGINATE BIO-COMPOSITE FORMATION IN ALGINATE GEL FILMS FOR SELF-HEALING CONCRETE APPLICATION2017
- Author(s)
  K.KAWAAI, T.NISHIDA, and A.SAITO
- Organizer
  The 2nd International Symposium on Concrete and Structure for Next Generation
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-17H04933
[Presentation] 枯草菌の代謝を用いたカプセル中の炭酸カルシウム析出過程の検討2017
- Author(s)
  奥野宙，河合慶有，氏家勲,
- Organizer
  土木学会四国支部第23回技術研究発表会
- Data Source
  KAKENHI-PROJECT-15H04025
[Presentation] Alginate capsules encapsulating aerobic and anaerobic microorganism for repairing cracks in concrete2017
- Author(s)
  K.Kawaai, H.Okuno and I.Ujike
- Organizer
  6th International Conference on Self-Healing Materials
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-17H04933
[Presentation] 枯草菌の代謝を用いたカプセル中の炭酸カルシウム析出過程の検討2017
- Author(s)
  奥野　宙，河合　慶有，氏家　勲
- Organizer
  土木学会四国支部技術研究発表会
- Data Source
  KAKENHI-PROJECT-17H04933
[Presentation] 銅スラグ細骨材を使用したコンクリートに対する品質評価図の適用可能性2016
- Author(s)
  久保勇登，氏家勲，河合慶有
- Organizer
  土木学会四国支部技術研究発表会
- Place of Presentation
  高知工科大学（高知県・香美市）
- Year and Date
  2016-05-28
- Data Source
  KAKENHI-PROJECT-15K18100
[Presentation] バイオ材料の炭酸カルシウム析出課程に及ぼす温度の影響2016
- Author(s)
  山本沙也，氏家勲，河合慶有，Prima Yane Putri
- Organizer
  土木学会四国支部第２２回技術研究発表会
- Place of Presentation
  高知工科大学(高知県・香美市)
- Data Source
  KAKENHI-PROJECT-15H04025
[Presentation] Effect of Temperature on Precipitation Rate of Calcium Carbonate Produced through Microbial metabolic Process of Bio Materials2016
- Author(s)
  Putri, P.Y., Kawaai, K., Ujike, I. and Yamamoto, S
- Organizer
  : International Conference on Sustainable Civil Engineering Structures and Construction Materials
- Place of Presentation
  バリ、インドネシア
- Year and Date
  2016-09-05
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-15H04025
[Presentation] フライアッシュの混和が配置高さの異なる水平鉄筋の腐食性状に与える影響2016
- Author(s)
  仲井一平，長野沙紀，氏家勲，河合慶有
- Organizer
  土木学会四国支部技術研究発表会
- Place of Presentation
  高知工科大学（高知県・香美市）
- Year and Date
  2016-05-28
- Data Source
  KAKENHI-PROJECT-15K18100
[Presentation] バイオグラウトの炭酸カルシウム析出時間に影響を及ぼす要因の検討2015
- Author(s)
  山本沙也，河合慶有，氏家勲
- Organizer
  土木学会四国支部技術研究発表会
- Place of Presentation
  香川大学工学部（香川県高松市）
- Year and Date
  2015-05-23
- Data Source
  KAKENHI-PROJECT-15H04025
[Presentation] X線CT画像から取得した空隙構造を用いた透気性状の検討2015
- Author(s)
  氏家勲，柴田真帆，河合慶有
- Organizer
  土木学会四国支部技術研究発表会
- Place of Presentation
  香川大学工学部（香川県高松市）
- Year and Date
  2015-05-23
- Data Source
  KAKENHI-PROJECT-15H04025

1. Nishida Takahiro (10345358)

# of Collaborated Projects: 3 results

# of Collaborated Products: 17 results
2. Ujike Isao (90143669)

# of Collaborated Projects: 2 results

# of Collaborated Products: 17 results
3. 岡崎慎一郎 (30510507)

# of Collaborated Projects: 1 results

# of Collaborated Products: 1 results

KAWAAI KEIYU 河合 慶有

Kawaai Keiyu 河合 慶有

Research Projects

Research Products

Co-Researchers

Re-consideration of corrosion mechanism based on electro-chemical and optical measurements and validation by physico-chemical coupled analysisPrincipal Investigator

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Development of concrete with corrosion inhibition of steel bar and antibacterial using copper slag

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Corrosion factors of underground steel considering reaction/transportation of substances and proposal of countermeasure for the corrosion protection

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Evaluation techniques on corrosion resistance based on oxygen permeabilityPrincipal Investigator

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Effect of self-healing in concrete and an assessment technique based on corrosion resistancePrincipal Investigator

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Estimation method for durability performance in cover concrete adversely affected by segregationPrincipal Investigator

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Study on practical application of repair method of concrete crack using microbial metabolism

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[Book] 月刊コンクリートテクノ2020

Author(s)

Total Pages

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Data Source

[Book] 自己修復材料、 自己組織化、形状記憶材料の開発と応用事例2020

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[Journal Article] Numerical evaluation on electrical resistivity of hardened cement paste using 3D pore model based on X-ray micro-CT images2023

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[Journal Article] Self-Healing Concrete Using Bacillus Subtilis and Biodegradable Plastic for Crack Repair2023

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[Journal Article] NUMERICAL MODEL OF MACRO-CELL CORROSION CONTROLLED BY OXYGEN-DIFFUSION IN CONCRETE2023

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[Journal Article] Activation Energies of Chloride Induced Corrosion of Steel in Concrete2022

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[Journal Article] Reduction of Dissolved Oxygen in Minimizing Corrosion2022

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[Journal Article] Corrosion of underground Steel between Soil and Clay and Its Prevention2022

Author(s)

KAWAAI KEIYU 河合慶有

Kawaai Keiyu 河合慶有

[Book] 自己修復材料、自己組織化、形状記憶材料の開発と応用事例2020