CORROSION PROPERTIES OF HORIZONTAL STEEL BARS IN CONCRETE COLUMN SPECIMENS CAST WITH COPPER SLAG FINE AGGREGATE N.Sandra, K. Kawaai and I. Ujike, Proceedings of 4th International Conference on Service Life Design for Infrastructures (SLD4), 647 - 658, 2018年08月
INFLUENCE OF BREEDING ON MODIFICATION OF PORE STRUCTURE AND CARBONATION-INDUCED CORROSION FORMATION Willick Nsama, Keiyu Kawaai, and Isao Ujike, Proceedings of 4th International Conference on Service Life Design for Infrastructures(SLD4), 674 - 685, 2018年08月
CATHODIC POLARIZATION PROPERTIES OF STEEL BARS IN CONCRETE MIXED WITH AEROBIC MICROORGANISM OF BACILLUS SUBTILIS K.Kawaii, I. Ujike, S. Fujioka, T. Nishida and A. Saito, Proceedings of Final Conference of RILEM TC 253-MCI: Microorganisms-Cementitious Materials Interactions, 259 - 266, 2018年06月
APPLICABILITY OF BIO-BASED MATERIALS TO REPAIR WATER LEAKAGE OF CONCRETE Yane PUTRI, Isao UJIKE, Keiyu KAWAAI, コンクリート工学年次論文集, Vol.40, (No.1) 1551 - 1556, 2018年
Study on detection method of defects in covered concrete using electrical resistivity measurement 河合慶有、氏家勲、奥野宙, Proceedings of the Ninth International Structural Engineering and Construction Conference, 2017年07月
Influence of the type of dry yeast on precipitation rate of calcium carbonate in bio-based repair materals P.Y.プトリ、氏家勲、河合慶有, Proceedings of 2nd International Conference on Bio-based Building Materials, 133 - 139, 2017年06月
Influence of Different Concentration of Tris Buffer Solution on Calcium Carbonate Precipitation in Bio-based Repair Materials Prima Yane Putri, Keiyu Kawaai, Isao Ujike, Hiroshi Okuno, Proceedings of International Journal on Advanced Science Engineering Information Technology, Vol.7, (No.5) 1879 - 1885, 2017年
A STUDY ON THE FACTORS AFFECTING ELECTRO-MIGRATION CHARACTERISTIC OF CHLORIDE IONS CONCRETE ISAO UJIKE and KEIYU KAWAAI, Integrated Solutions for Infrastrucutre Development, 1 - 6, 2016年10月
Influence of bleeding on durability of horizontal steel bars in RC column specimen K. Kawaai & I. Ujike, Life-Cycle of Engineering Systems: Emphasis on Sustainable Civil Infrastructure, 839 - 846, 2016年10月
Effect of Temperature on Precipitation Rate of Calcium Carbonate Produced through Microbial Metabolic Process of Bio materials Putri, P. Y., Kawaai, K., Ujike, I., and Yamamoto, S., CIVIL ENGINEERING DIMENSION, Vol.18, (No.2) 103 - 108, 2016年09月
Some considerations on precipitation rate of calcium carbonate in bio-based materials used for concrete repair K. Kawaai, I. Ujike, S. Yamamoto & P.Y. Putri, Concrete Solutions 2016, 6th International Conference on Concrete Repair Aristotle University of Thessaloniki, 580 - 587, 2016年06月
Effect of International Cracking and Drying Shrinkage on the Corrosion Processes of RC Beam Specimen K.Kwaai, I.Ujike and I.Nakai, Proceedings of Mechanics and Physics of Creep, Shrinkage, and Durability of Concrete and Concrete Structure, 477 - 486, 2015年09月
INFLUENCE OF INTERNAL CRACKS ON MASS TRANSFER RESISTANCE IN REINFORCED CONCRETE Shinichiro Okazaki, Mao Kuramatani and Isao Ujike, Proceedings of The Fifth International Conference on Construction Materials: Performance, Innovations and Structural Implications, 2015年08月
ESTIMATION METHOD FOR DURABILITY PERFORMANCES IN COVER CONCRETE BY IN-SITU AIR PERMEABILITY TESTS K.Kawaai and I. Ujike, Proceedings of The Fifth International Conference on Construction Materials: Performance, Innovations and Structural Implications, 2015年08月
Effect of admixures and curing condition on the corrosion resistance properties of reinforced concrete S. Okazaki, I.Ujike & S. Kasuga, PROCEEDINGS OF THE FOURTH INTERNATIONAL SYMPOSIUM ON LIFE-CYCLE CIVIL ENGINEERING, 1453 - 1458, 2014年11月
Study on Mechanical Performance of Concrete Filled Steel Tube Used for Rock -fall Protection Fence Isao Ujike, Shinichiro Okazaki, Fumitaka Kubo, Proceedings of International Symposium Geohazards: Science, Engineering and Management, 191 - 200, 2014年11月
Effect of curing condition on air permeability coefficient measured by in-situ test method K.Kawaai, I. Ujike & S.kunitaka, S. Okazaki, PROCEEDINGS OF THE FOURTH INTERNATIONAL SYMPOSIUM ON LIFE-CYCLE CIVIL ENGINEERING, 1207 - 1214, 2014年10月
Effect of internal cracking on mass transfer resistance of cover concrete S. Okazaki, M. Kurumatani, I. Ujike & N. Takamoto, Proceedings of Concrete Solutions 5th International Conference on Concrete Repair, 683 - 690, 2014年09月
Influencing factors affecting microbial metabolic processes of bio materials used for leaking repairs I. Ujike, F.Kubo & K. Kawaai, S. Okazaki, Proceedings of Concrete Solutions 5th International Conference on Concrete Repair, 127 - 133, 2014年09月
Acquisition of capillary pore structure by X-ray CT and visualization of flow by numerical analysis M. Shibata, S. Okazaki and I. Ujike, Proceedings of 1ST INTERNATIONAL MATERIALS, INDUSTRIAL, AND MANUFACTURING ENGINEERING CONFERENCE, Vol.845, 163 - 167, 2013年12月
Development of Microbial Metabolic Processes to Repair Concrete Joint Leakage F. Kubo, S. Okazaki and I. Ujike, Proceedings of 1ST INTERNATIONAL MATERIALS, INDUSTRIAL, AND MANUFACTURING ENGINEERING CONFERENCE, Vol.845, 158 - 162, 2013年12月
Experimental Study on Effect on Internal Cracking on Corrosion Rate of Reinforcement in Concrete Isao Ujike, Shinichiro Okazaki and Ryoichi Sato, PROCEEDINGS OF THE NINTH INTERNATIONAL CONFERENCE ON CREEP, SHRINKAGE, AND DURABILITY MECHANICS, 277 - 284, 2013年09月
A study on corrosion properties of rebar in fly ash concrete Isao Ujike, Shinichiro Okazaki, Naoki Takae and Shohei Kasuga, Proceedings of Third International Conference on Sustainable Construction Materials and Technologies, 2013年08月
An In-Situ Test to Measure the Distribution of Air Permeability Coefficient of Concrete I. Ujike and S. Okazaki, Proceedings of The 5th International Conference of Asian Concrete Federation, 2012年10月
STUDY ON OBTAINING QUANTITATIVE INDEX TO EVALUATE DURABILITY OF COVER CONCRETE Isao Ujike and Shinichiro Okazaki, Proceedings of Second International Conference on Microstructural-related Durability of Cementitious Composites, 2012年04月