KAWAAI Keiyu

J-GLOBAL         Last updated: Jun 21, 2019 at 14:14
 
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Name
KAWAAI Keiyu
Affiliation
Ehime University
Research funding number
90725631

Research Areas

 
 

Published Papers

 
Application of bio-based material for concrete repair: case study leakage on parallel concrete slab
Prima Yane Putri, Isao Ujike, Keiyu Kawaai
MATEC Web of Conferences 258:01013      Jan 2019   [Refereed]
CORROSION PROPERTIES OF HORIZONTAL STEEL BARS IN CONCRETE COLUMN SPECIMENS CAST WITH COPPER SLAG FINE AGGREGATE
N. Sandra, K. Kawaai and I. Ujike
4th International Conference on Service Life Design for Infrastructures      Aug 2018   [Refereed]
Influence of bleeding on modification of pore structure and carbonation-induced corrosion formation
Willick Nsama, Isao Ujike, Keiyu Kawaai, Yuto Kubo and Nevy Sandra
4th International Conference on Service Life Design for Infrastructures      Aug 2018   [Refereed]
APPLICABILITY OF BIO-BASED MATERIALS TO REPAIR WATER LEAKAGE OF CONCRETE
Prima Yane PUTRI, Isao UJIKE, Keiyu KAWAAI
40th Japan Concrete Institute Annual Convention      Jul 2018   [Refereed]
CATHODIC POLARIZATION PROPERTIES OF STEEL BARS IN CONCRETE MIXED WITH AEROBIC MICROORGANISM
K. Kawaai, I. Ujike, S. Fujioka, T. Nishida and A. Saito
Final Conference of RILEM TC 253-MCI      Jun 2018   [Refereed]
Abundance and size of microplastics in a coastal sea: Comparison among bottom sediment, beach sediment, and surface water
N. Sagawa, K. Kawaai and H. Hinata
Marine Pollution Bulletin   133 532-542   2018   [Refereed]
Restrained early age shrinkage at the vertical interface between fresh cementitious mixtures and hardened substrates Part-II
K. Kawaai and O.K.C. Gary
International Journal of Engineering Research and Applications      2018   [Refereed]
Restrained early age shrinkage at the vertical interface between fresh cementitious mixtures and hardened substrates Part-I
K.Kawaai and O.K.C. Gary
International Journal of Engineering Research and Applications      2018   [Refereed]
Influence of the type of dry yeast on precipitation rate of calcium carbonate in bio-based repair materials
ICBBM ECOGRAFI 2017
   Jun 2017   [Refereed]
Alginate capsules encapsulating aerobic and anaerobic microorganism for repairing cracks in concrete
6th International Conference on Self-Healing Materials      Jun 2017   [Refereed]
Effects of bleeding on corrosion of horizontal steel bars in reinforced concrete column specimen
International Conference on Construction and Building Engineering (ICONBUILD 2017)
   2017   [Refereed]
Enhancement of corrosion resistance in mortar using aerobic bacillus subtilis
K. Kawaai, I. Ujike, and P.Y. Putri
HealCon      Nov 2016   [Refereed]
Influence of Bleeding on Durability of Horizontal Steel Bars in RC Column Specimen
K. Kawaai and I. Ujike
Fifth International Symposium on Life-Cycle Civil Engineering      Oct 2016   [Refereed]
Some considerations on precipitation rate of calcium carbonate in bio-based materials used for concrete repair
K. Kawaai, I. Ujike, S. Yamamoto and P.Y. Putri
Concrete Solutions 2016, 6th International Conference on Concrete Repair      Jun 2016   [Refereed]
A Novel Method in Enhancing Corrosion Resistance in Concrete Using Aerobic Bacillus Subtilis
K. Kawaai, T. Nishida, A. Saito, and I. Ujike
International Symposium on Concrete and Structures for Next Generation: Ikeda & Otsuki Symposium (IOS 2016)      May 2016   [Refereed]
Effect of Temperature on Precipitation Rate of Calcium Carbonate Produced Through Microbial Metabolic Process of Bio Materials
Prima, Y. P., Kawaai, K., Ujike, I.
Journal of Civil Engineering Science and Application      2016   [Refereed]
K. Kawaai, I. Ujike, and I. Nakai
CONCREEP 10, doi: 10.1061/9780784479346.057   477-486   Sep 2015   [Refereed]
CARBONATION AT VERTICAL INTERFACES FORMED BETWEEN FRESHLY CAST CEMENTITIOUS MIXTURES AND HARDENED CONCRETE SUBSTRATES
K. Kawaai, A. Annapareddy, K.C.G. Ong, and C.T. Tam
40th Conference on Our World Concrete & Structures   1-8   Aug 2015   [Refereed]
ESTIMATION METHOD FOR DURABILITY PERFORMANCES IN COVER CONCRETE BY IN-SITU AIR PERMEABILITY TESTS
K. Kawaai and I. Ujike
The Fifth International Conference on Construction Materials: Performance, Innovations and Structural Implications      Aug 2015   [Refereed]
山本沙也, 久保郁貴, 河合慶有, 氏家勲
コンクリート工学年次論文集(CD-ROM)   37 ROMBUNNO.1259   Jun 2015   [Refereed]
仲井一平, 高本直樹, 河合慶有, 氏家勲
コンクリート工学年次論文集(CD-ROM)   37 ROMBUNNO.1072   Jun 2015   [Refereed]
門屋朱里, 春日翔平, 河合慶有, 氏家勲
コンクリート工学年次論文集(CD-ROM)   37 ROMBUNNO.1129   Jun 2015   [Refereed]
Effect of curing condition on air permeability coefficient measured by in-situ test method
K. Kawaai, I. Ujike, S. Kunikata, and S. Okazaki
Life-Cycle of Structural Systems Design, Assessment, Maintenance and Management, CRC press   1207-1214   Oct 2014   [Refereed]
SHORT-TERM AND LONG-TERM SOLUTIONS USING FLY ASH FOR SUSTAINABLE DEVELOPMENT IN CONCRETE CONSTRUCTION INDUSTRY
K. Kawaai, I. Ujike, S. Kasuga, and H. Miyake
Proceedings of Workshop on Utilization of Waste Materials, Manila      Aug 2014   [Refereed]
Influencing factors affecting microbial metabolic processes of bio materials used for leaking repairs
I. Ujike, F. Kubo, K. Kawaai, and S. Okazaki
Concrete Solutions, Taylor & Francis Group, London, ISBN 978-1-138-02708-4   127-133   2014   [Refereed]
DURABILITY DESIGN OF TYPICAL DFD (DESIGN FOR DISASSEMBLY) COMPONENTS FOR A TROPICAL ENVIRONMENT
KEIYU KAWAAI
National University of Singapore      Sep 2013   [Refereed]
SIZE-EFFECT OF EARLY AGE SHRINKAGE AT THE INTERFACE BETWEEN FRESH CEMENTITIOUS MIXTURES AND HARDENED CONCRETE SUBSTRATE
K.C.G. Ong, K. Kawaai, C.T. Tam and Sze-Dai Pang
37rd Our World in Concrete and Structures   309-320   Aug 2013   [Refereed]
A study on the factors affecting electro-migration characteristic of chloride ion in concrete
ASEA SEC 3rd International Conference
   Sep 2016   [Refereed]
INFLUENCE OF BLEEDING ON VARIATIONS OF PERMEABILITY IN CONCRETE COLUMN SPECIMENS
KAWAAI Keiyu
   Aug 2017   [Refereed]

Conference Activities & Talks

 
河合慶有, 氏家勲, 國方翔太
土木学会年次学術講演会講演概要集(CD-ROM)   1 Aug 2014   
鈴木一平, 大即信明, 西田孝弘, 河合慶有
セメント技術大会講演要旨   12 May 2006   
河合慶有, 大即信明, 西田孝弘, 鄭仁沢
セメント技術大会講演要旨   20 Apr 2004