KENICHIRO NAKARAI

Last Updated :2022/05/19

Affiliations, Positions
Graduate School of Advanced Science and Engineering, Professor
Web Site
E-mail
nakaraihiroshima-u.ac.jp
Self-introduction
He is a full professor of Civil and Environmental Engineering Program at Hiroshima University. He received his B.Eng., M.Eng., and D.Eng. from the University of Tokyo in 2000, 2002, and 2005, respectively. His research interests include shear failure of reinforced concrete structures, quality control of new concrete materials, durability assessment of existing concrete structures, physicochemical properties of cement-treated soils for ground improvement, and cement-bentonite interaction for nuclear waste management.

Basic Information

Major Professional Backgrounds

  • 2002/10/16, 2006/08/15, The University of Tokyo, Assistant Professor
  • 2006/08/16, 2007/03/31, Gunma University, Faculty of Engineering, Assistant Professor
  • 2007/04/01, 2008/10/31, Gunma University, Graduate School of Engineering, Assistant Professor
  • 2008/11/01, 2012/03/31, Gunma University, Graduate School of Engineering, Associate Professor
  • 2012/04/01, 2018/03/31, Hiroshima University, Institute of Engineering, Associate Professor
  • 2018/04/01, 2020/03/31, Hiroshima University, Graduate School of Engineering, Professor
  • 2020/04/01, Hiroshima University, Graduate School of Advanced Science and Engineering, Professor

Educational Backgrounds

  • The University of Tokyo, Japan, 2000/04, 2002/03
  • The University of Tokyo, Japan, 1998/04, 2000/03
  • The University of Tokyo, Japan, 1996/04, 1998/03

Academic Degrees

  • Doctor of Engineering, The University of Tokyo
  • Master of Engineering, The University of Tokyo

Research Fields

  • Engineering;Civil engineering;Structural engineering / Earthquake engineering / Maintenance management engineering

Research Keywords

  • Concrete Engineering
  • Durability
  • Concrete structures
  • Cement treated soils
  • Nuclear waste management

Educational Activity

Course in Charge

  1. 2022, Liberal Arts Education Program1, 2Term, Toward Construction of Safe Social Environment
  2. 2022, Liberal Arts Education Program1, 1Term, Introduction to Physics for First-Year Students
  3. 2022, Undergraduate Education, 4Term, Civil and Environmental Engineering and Engineer's Ethics
  4. 2022, Undergraduate Education, 2Term, Strength of Materials
  5. 2022, Undergraduate Education, 2Term, Experiments in Civil and Environmental Engineering
  6. 2022, Undergraduate Education, 1Term, Reinforced Concrete Mechanics and Exercises
  7. 2022, Undergraduate Education, 1Term, Maintenance Engineering of Structures
  8. 2022, Undergraduate Education, 3Term, Road Engineering
  9. 2022, Undergraduate Education, 3Term, Design of Infrastructures
  10. 2022, Graduate Education (Doctoral Program) , Year, Civil and Environmental Engineering Research V
  11. 2022, Graduate Education (Master's Program) , 1Term, Special Exercises on Civil and Environmental Engineering A
  12. 2022, Graduate Education (Master's Program) , 2Term, Special Exercises on Civil and Environmental Engineering A
  13. 2022, Graduate Education (Master's Program) , 3Term, Special Exercises on Civil and Environmental Engineering A
  14. 2022, Graduate Education (Master's Program) , 4Term, Special Exercises on Civil and Environmental Engineering A
  15. 2022, Graduate Education (Master's Program) , 3Term, Special Exercises on Civil and Environmental Engineering B
  16. 2022, Graduate Education (Master's Program) , 4Term, Special Exercises on Civil and Environmental Engineering B
  17. 2022, Graduate Education (Master's Program) , 1Term, Special Exercises on Civil and Environmental Engineering B
  18. 2022, Graduate Education (Master's Program) , 2Term, Special Exercises on Civil and Environmental Engineering B
  19. 2022, Graduate Education (Master's Program) , Academic Year, Special Study on Civil and Environmental Engineering
  20. 2022, Graduate Education (Master's Program) , Academic Year, Special Study on Civil and Environmental Engineering
  21. 2022, Graduate Education (Master's Program) , 2Term, Advanced Structural Concrete
  22. 2022, Graduate Education (Doctoral Program) , Academic Year, Special Study on Civil and Environmental Engineering
  23. 2022, Graduate Education (Doctoral Program) , Academic Year, Special Study on Civil and Environmental Engineering

Research Activities

Academic Papers

  1. Effects of early-age thermal microcracking on material properties and structural performance of limestone aggregate concrete, Cement and Concrete Composites, 124, 104267, 20210922
  2. Influences of moisture change and pore structure alteration on transport properties of concrete cover, Cement and Concrete Composites, 122, 104090, 20210524
  3. Calcite Precipitation at Cement-Bentonite Interface. Part 1: Effect of Carbonate Admixture in Bentonite, JOURNAL OF ADVANCED CONCRETE TECHNOLOGY, 19(5), 433-446, 202105
  4. Calcite Precipitation at Cement-Bentonite Interface. Part 2: Acceleration of Transport by an Electrical Gradient, JOURNAL OF ADVANCED CONCRETE TECHNOLOGY, 19(5), 447-461, 202105
  5. Effect of surface moisture on air-permeability kT and its correction, MATERIALS AND STRUCTURES, 54(2), 1-12, 202104
  6. Effects of slag type and curing method on the performance of expansive concrete, CONSTRUCTION AND BUILDING MATERIALS, 262(30), 120422, 20201130
  7. Service life prediction of steam-cured concrete utilizing in-situ air permeability measurements, CEMENT & CONCRETE COMPOSITES, 114, 20200728
  8. Difference in Strength Development between Cement-Treated Sand and Mortar with Various Cement Types and Curing Temperatures, MATERIALS, 13(21), 202011
  9. Effect of water–cement ratio, aggregate type, and curing temperature on the fracture energy of concrete, Construction and Building Materials, 259(30), 119646, 20201030
  10. Case study on ground improvement by cement treatment, Cement and Concrete, 881, 24-29, 20200710
  11. Influence of Longitudinal Reinforcement Ratio on Shear Strength of RC Slender Beam Under Different Loading Rates, Applied Mechanics and Materials, 897, 91-97, 20200401
  12. Early evaluation of cover concrete quality utilizing water intentional spray tests, CONSTRUCTION AND BUILDING MATERIALS, 231, 117144, 20200120
  13. Influence of water content of surrounding soil on surface strength of cement-treated soil, Japanese Geotechnical Journal, 14(4), 307-320, 20191225
  14. Durability index for quality classification of cover concrete based on water intentional spraying tests, CEMENT & CONCRETE COMPOSITES, 104, 201911
  15. Physicomechanical properties and durability of a new lightweight porous mortar utilizing woodchips, JOURNAL OF CLEANER PRODUCTION, 235, 158-165, 20191020
  16. Relationship between Chloride Ion Penetration and Apparent Deterioration Class in Existing Concrete Structures, Proceedings of the Concrete Structure Scenarios, 19, 605-610, 20191001
  17. Relationship between chloride diffusivity and air permeability of existing concrete structures, Proceedings of the Japan Concrete Institute, 41(1), 623-628, 20190701
  18. Validation of simple nondestructive method for evaluation of cover concrete quality, CONSTRUCTION AND BUILDING MATERIALS, 201, 430-438, 20190320
  19. Long-term permeability measurements on site-cast concrete box culverts, CONSTRUCTION AND BUILDING MATERIALS, 198, 777-785, 20190220
  20. Applicability of a simplified estimation method to steam-cured expansive concrete, CEMENT & CONCRETE COMPOSITES, 95, 217-227, 20190101
  21. Analysis of strength development in cement-treated soils under different curing conditions through microstructural and chemical investigations, Construction and Building Materials, 166, 634-646, 20180222
  22. WORK DONE BY EXPANSIVE CONCRETE RESTRAINED BY ECCENTRIC DOUBLE STEEL PIPE, Cement Science and Concrete Technology, 71(1), 218-225, 2018
  23. CHANGE IN SURFACE AIR PERMEABILITY OF CONCRETE WITH DIFFERENT MIX DESIGNS AND CURING, Cement Science and Concrete Technology, 71(1), 410-417, 2018
  24. Effect of internal water content on carbonation progress in cement-treated sand and effect of carbonation on compressive strength, Cement and Concrete Composites, 85, 9-21, 20171003
  25. Internal curing of Class-F fly-ash concrete using high-volume roof-tile waste aggregate, Materials and Structures, 50(203), 1-12, 20170721
  26. Characteristics of modified soil using calcium aluminate and compressive strength change by carbonation, Proceedings of JCI, 39(1), 2005-2010, 20170712
  27. Long-term pore structure of internally cured fly ash cement paste by an injection of water, Proceedings of JCI annual conference, 39(1), 109-114, 20170712
  28. ★, Shear Strength of Reinforced Limestone Aggregate Concrete Beams, ACI Structural Journal, 114(4), 1007-1017, 20170701
  29. Strength development of cement-treated soils: Effects of water content, carbonation, and pozzolanic reaction under drying curing condition, Construction and Building Materials, 134, 703-712, 20170301
  30. Effects of drying shrinkage of concrete on shear behavior of reinforced concrete beams without shear reinforcement, Journal of Japan Society of Civil Engineers, Ser. E2 (Materials and Concrete Structures), 73(1), 50-69, 20170220
  31. Shear creep failures of RC slender beams without shear reinforcement, ACI Structural Journal, 114(6), 1581-1590, 20170111
  32. Effect of early age demolding on concrete using waste tile and salt, Proceedings of JCI Annual Convention, 38(1), 603-608, 20160706
  33. Electrical resistance measurement to assess moisture transfer in cement-based mortar through water absorbing and drying processes, Proceedings of JCI Annual Convention, 38(1), 813-818, 20160706
  34. Strength and ecological evaluation of carbonated cement-treated soils, Proceedings of JCI Annual Convention, 38(1), 2241-2246, 20160706
  35. Size effect on shear strength of RC beams using limestone aggregate, Proceedings of JCI Annual Convention, 38(2), 271-276, 20160706
  36. ★, Shear strength of reinforced concrete beams: concrete volumetric change effects, Journal of Advanced Concrete Technology, 14, 229-244, 20160528
  37. A study on pozzolanic reaction of fly ash cement paste activated by an injection of alkali solution, Construction and Building Materials, 94, 28-34, 201509
  38. Effect of internal alkali activation on pozzolanic reaction of low-calcium fly ash cement paste, Materials and Structures, 49(8), 3039-3053, 20150829
  39. Effect of carbonation on strength development of cement-treated Toyoura silica sand, Soils and Foundations, 55(4), 857-865, 201508
  40. Pozzolanic reaction of fly ash cement paste in the presence of alkali activator, Proceedings of JCI Annual Convention, 37(1), 157-162, 201507
  41. Comparative study on cover concrete quality tests, Proceedings of the Japan Concrete Institute, 37(1), 673-678, 201507
  42. Bending shear failure of RC pillar specimens with repaired honeycombed concrete in the lower end, Proceedings of the Japan Concrete Institute, 37(2), 1231-1236, 201507
  43. Swelling deformation of bentonite mixed with inorganic materials in alkaline solution, Japanese Geotechnical Journal, 10(1), 45-55, 201503
  44. Experimental study on shear failure of RC beams with repaired honeycombing in the bottom, Journal of Structural Engineering, 61A, 715-724, 201503
  45. Capturing in cement paste of heavy metal added with different methods, Cement Science and Concrete Technology, 68, 375-381, 201502
  46. INSTIGATION ON MECHANISM OF LONG-TERM STRENGTH DEVELOPMENT OF CARBONATED CEMENT-TREATED SAND, Cement Science and Concrete Technology, 68(1), 523-528, 2015
  47. Tension-softening effect of RC members repaired by epoxy resin, Proceedings of the Japan Concrete Institute, 36(2), 397-402, 201407
  48. Evaluation of shear strength of expansive RC beams with different effective depth and reinforcement ratio, Proceedings of the Japan Concrete Institute, 36(2), 445-450, 201407
  49. Effect of shrinkage and fracture energy on shear strength of RC beams, Proceedings of the Japan Concrete Institute, 36(2), 451-456, 201407
  50. Proposal of repair method of honeycombing by resin injection and evaluation of strengths of repaired materials, Proceedings of Japan Society of Civil Engineers, 70(2), 252-271, 201406
  51. Effect of moisture content and ponding condition on penetration and leaching of cesium in mortar, Cement Science and Concrete Technology, 67, 210-215, 201402
  52. Effect of volumetric change in concrete on shear capacity of RC beams, Proceedings of the Japan Concrete Institute, 35(2), 649-654, 201307
  53. Internal curing effect of concrete by waste tile aggregate with salt, Proceedings of the Japan Concrete Institute, 35(2), 643-648, 201307
  54. Effect of curing conditions on strength of concrete using municipal solid waste fine aggregate, Proceedings of the Japan Concrete Institute, 35(2), 1585-1590, 201307
  55. Adsorptivity of heavy metals CuII, CdII, and PbII on woodchip-mixed porous mortar, Chemical Engineering Journal, 215-216, 202-208, 20130115
  56. Cooling effect of moisture evaporation of porous concrete using recycled aggregate, Proceedings of the Japan Concrete Institute, 34(1), 1468-1473, 201207
  57. Effect of autogenous shrinkage on performance evaluation of expansive concrete using lightweight mold, Proceedings of the Japan Concrete Institute, 34(1), 1906-1911, 201207
  58. Analysis of applicability of simplified estimation method of expansive cement concrete using cylindrical light-weight steel mold based on mechanical work, Cement Science and Concrete Technology, 65/2011, 209-216, 201202
  59. Carbon dioxide fixation due to photosynthesis of euglena in porous mortar, Cement Science and Concrete Technology, Cement Science and Concrete Technology, 65/2011(536), 543, 201202
  60. Effect of specimen size and drying period on carbonation progress of cement-based materials, Proceedings of the Japan Concrete Institute, 33(1), 725-730, 201107
  61. Effect of curing temperature on oxygen diffusion coefficient of cement-based materials, Proceedings of the Japan Concrete Institute, 33(1), 731-736, 201107
  62. Change in bending strength of wood chip porous mortar by calcium leaching, Proceedings of the Japan Concrete Institute, 33(1), 1493-1498, 201107
  63. Expansive behavior of slab of composite beams of steel and expansive concrete, Proceedings of the Japan Concrete Institute, 33(2), 1201-1206, 201107
  64. Influence of co2 concentration on micro-pore structure and oxygen diffusion coefficient of carbonated cement paste at early age, Cement Science and Concrete Technology, 64/2010, 111-118, 201102
  65. Re-evaluation of work by expansive cement concrete with low reinforcement ratios, Cement Science and Concrete Technology, Cement Science and Concrete Technology, 64/2010, 154-161, 201102
  66. Influence of carbonation at early ages on depth distribution of oxygen diffusion coefficient of hardened cement paste, Cement Science and Concrete Technology, 64/2010, 370-376, 201102
  67. Physical Properties of Mortar and Concrete Using Low-Alkalinity Cement Based on Sulphoaluminate Clinker, Journal of the Chinese Ceramic Society, 38(9), 1623-1630, 201009
  68. Effect of changes in compositions and pore structures by carbonation on oxygen diffusion coefficient, Proceedings of the Japan Concrete Institute, 32(1), 617-622, 201007
  69. Effect of mixing of carbonate into bentonite on leaching from cementitious materials, Proceedings of the Japan Concrete Institute, 32(1), 713-718, 201007
  70. Effect of shrinkage-induced stress and cracking on shear capacity of RC beams, Proceedings of the Japan Concrete Institute, 32(2), 673-678, 201007
  71. Experimental study on effect of carbonation of early aged cement paste on micro-pore structure and effective diffusion coefficient of oxygen, Cement Science and Concrete Technology, 63/2009, 99-106, 201002
  72. Effect of unit cement content, aggregate particle size and curing period on calcium leaching from porous cementitious materials, Proceedings of the Japan Concrete Institute, 31(1), 841-846, 200907
  73. Effect of drying and carbonation on cement hydrates and oxygen diffusion coefficient of cement paste, Proceedings of the Japan Concrete Institute, 31(1), 961-966, 200907
  74. Effect of drying shrinkage cracking on shear capacity of RC beams, Proceedings of the Japan Concrete Institute, 31(2), 751-756, 200907
  75. Experimental study on effect of carbonation of early aged cement paste on micro-pore structure and effective diffusion coefficient of oxygen, Proceedings of the Japan Concrete Institute, 62/2008, 128-134, 200902
  76. Re-evaluation of work by expansive cement concrete with low reinforcement ratios, Cement Science and Concrete Technology, 62/2008, 189-196, 200902
  77. Fresh properties and hardening behavior of mortar and concrete using low alkalinity cement containing Hauyne, Cement Science and Concrete Technology, 62/2008, 283-288, 200902
  78. Evaluation of Chloride Penetration in Concrete by Resistivity, Journal of the Society of Materials Science, Japan, 57(10), 1005-1010, 200810
  79. Method for Estimating Mix Proportion in Hardened Concrete based on Physical and Chemical Analysis, Proceedings of the Japan Concrete Institute, 30(1), 537-542, 200807
  80. Effect of NaHC03 in bentonite on calcium leaching from cementitious material, Proceedings of the Japan Concrete Institute, 30(1), 717-722, 200807
  81. Flexural cracking behavior of PPC beams with different diameter tension reinforcements, Proceedings of the Japan Concrete Institute, 30(3), 541-546, 200807
  82. Fresh behavior of blast furnace slag PC grouting with different particle distribution, Proceedings of the Japan Concrete Institute, 61/2007, 142-147, 200802
  83. High strength blast furnace slag PC grouting with different particle distribution, Proceedings of the Japan Concrete Institute, 61/2007, 148-153, 200802
  84. Fresh properties and hardening behavior of mortar and concrete using low alkalinity cement containing Hauyne, Cement Science and Concrete Technology, 61/2007, 248-254, 200802
  85. Expansive and flexural crack behaviors of steel-expansive concrete deck slab type composite girders, Cement Science and Concrete Technology, 61/2007, 624-631, 200802
  86. Applicability of constant work theory to CPC beam reinforced by FRP, Proceedings of the Japan Concrete Institute, 29(1), 513-518, 200707
  87. Mass transport simulation based on pore structure changes under different curing conditions, Proceedings of the Japan Concrete Institute, 29(1), 723-728, 200707
  88. Chloride penetration into concrete coated by polymer cement mortar, Proceedings of the Japan Concrete Institute, 29(1), 975-980, 200707
  89. Flexural behavior of PPC beam using blast furnace slag PC grouting, Proceedings of the Japan Concrete Institute, 29(3), 451-456, 200707
  90. Enhanced Thermodynamics Analysis Coupled with Temperature-Dependent Microstructures of Cement Hydrates, Cement and Concrete Research, 37(2), 139-150, 200702
  91. Performance assessment of shear retrofitting on existing RC structures using dispersedly arranged shear reinforcement, Proceedings of Japan Society of Civil Engineers, 63(1), 116-126, 200702
  92. Modeling of Calcium Leaching from Cement Hydrates Coupled with Micro-Pore Formation, Journal of Advanced Concrete Technology, 4(3), 395-407, 200610
  93. Multi-scale Physicochemical Modeling of Soil-Cementitious Material Interaction, Soils and Foundations, Soils and Foundations, 46(5), 653-663, 200610
  94. Shrinkage evaluation of fly ash concrete by thermodynamic modeling base on pore structure formation and moisture movement, Proceedings of the Japan Concrete Institute, 28(1), 539-544, 200607
  95. Performance evaluation of engineered barrier system by thermodynamic modeling, Proceedings of the Japan Concrete Institute, 28(1), 761-766, 200607
  96. Enhanced thermodynamic modeling based on the temperature dependency of pore structure of hardened cement paste, Proceedings of Japan Society of Civil Engineers, 802(V69), 61-78, 200511
  97. Calcium leaching modeling of strong coherency with micro-pore formation of porous media and ion phase equilibrium, Proceedings of Japan Society of Civil Engineers, 802(V69), 79-96, 200511
  98. Physicochemical modeling of interaction between natural soil and cementitious material, Proceedings of Japan Society of Civil Engineers, 802(V69), 137-154, 200511
  99. Calcium leaching calculation coupling with cement pore structures, Proceedings of the Japan Concrete Institute, 27(1), 715-720, 200507
  100. Numerical analysis of effect of discrete stirrups, Proceedings of the Japan Concrete Institute, 27(2), 805-810, 200507
  101. Calcium leaching simulation from cementitious materials contacting to bentonite and surrounding soils, Proceedings of the Japan Concrete Institute, 27(1), 859-864, 20050625
  102. Three dimensional FEM analysis of nonlinear dynamic response of RC pile foundations, Proceedings of the Japan Concrete Institute, 27(2), 925-930, 20050625
  103. Experimental study on nonlinear response of RC pile foundation in liquefied soils, Proceedings of the Japan Concrete Institute, 26(2), 1177-1182, 200407
  104. Interaction between cement hydration and pore structure under different temperature conditions, Proceedings of the Japan Concrete Institute, 26(1), 567-572, 200407
  105. Seismic performance of corner part of digging tunnel concrete structure, Journal of Structural Engineering, 50A(3), 969-978, 200403
  106. Three dimensional nonlinear analysis of deep beam and its verification, Proceedings of the Japan Concrete Institute, 25(2), 1051-1056, 200307
  107. Model shaking table test of pre-loaded and pre-stressed reinforce soil structure as seismic isolation foundation, Geosynthetics Engineering Journal, 17, 41-48, 200212
  108. Model shaking table test for pre-loaded and pre-stressed reinforce soil pier with improved prestressed system, Geosynthetics Engineering Journal, 16, 45-52, 200112
  109. Natural frequency of pre-loaded and pre-stressed reinforce soil pier, Geosynthetics Engineering Journal, 15, 302-311, 200012
  110. Dynamic response of pre-loaded and pre-stressed reinforce soil structures with ratchet system, Geosynthetics Engineering Journal, 15, 284-293, 200012
  111. Dynamic response of pre-loaded and pre-stressed reinforce soil structures under level 2 seismic shaking, Geosynthetics Engineering Journal, 15, 274-283, 200012
  112. Direct tensile strength of blast furnace slag mortar, Proceedings of the Japan Concrete Institute, 22(2), 505-510, 200006

Publications such as books

  1. 2020/12/23, Committee Report of Technical Committee on the Application of Cement and Concrete Technologies to Disposal of Hazardous and Radioactive Wastes, Japan Concrete Institute, 2020, 2020, Report, Joint work
  2. 2018/03/06, What is the calcium silicate hydrate (C-S-H) in concrete?, Scholarly Book, Joint work, Ippei Maruyama, Kenichiro Nakarai et al.

Invited Lecture, Oral Presentation, Poster Presentation

  1. Do you believe shrinkage-induced degradation of shear tension strength in reinforced concrete beams?, Ryoichi Sato, Hajime Kawakane, Hikotsugu Hyodo, Kenichiro Nakarai, and Kenji Kawai, Sixth international conference on construction materials (ConMat'20), 2020/08/27, Without Invitation, English, Fukuoka, Japan
  2. Japanese durability design and a new index for quality classification of cover concrete, Kenichiro Nakarai, Present situation and future challenges of cementitious materials in Japan and France, 2019/12/10, With Invitation, English, Ifsttar, France
  3. Fracture properties of limestone aggregate concrete and structural performance, Kenichiro Nakarai, 2019/11/12, With Invitation, Japanese
  4. Air permeability coefficients of expansive concrete confined by rebars, Le Anh Van, Kenichiro Nakarai, Nguyen Huu May, Yasutaka Kubori, Toshikazu Matsuyama, Hajime Kawakane, CIGOS2019, 2019/11/01, Without Invitation, English, AVSE Global, UTT, Vietnam
  5. Air permeability of cover concrete quality of precast box culverts affected by casting direction, May Huu Nguyen, Kenichiro Nakarai, Saeko Kajita, CIGOS2019, 2019/11/01, Without Invitation, English, AVSE Global, UTT, Vietnam
  6. Experimental investigation of loading rate effects on the shear capacity of reinforced concrete deep beams, La Vanny, Kenichiro Nakarai, Halwan Alfisa Saifullah, Asuka Mizobe, CIGOS2019, 2019/11/01, Without Invitation, English, AVSE Global, UTT, Vietnam
  7. Fundamental study on durability of cement-treated clay in contact with surrounding clay, K. Morita, K. Nakarai, L.S. Ho, T. Sasaki, ICCEE2019, 2019/10/28, Without Invitation, English, Pukyong National University, Korea
  8. Chloride Penetration Test of Concrete Simulating Deicing Salt Attack, Y. Yoshizumi, K. Nakarai, M. H. Nguyen, N. Tada, M. Yamamoto, ICSCEA 2019, 2019/10/25, Without Invitation, English, HCMUT, Vietnam
  9. Air Permeability of Precast Concrete Box Culvert Applying Steam Curing Condition, the International Conference on Sustainable Civil Engineering and Architecture, May Huu Nguyen, Kenichiro Nakarai, Saeko Kajita, ICSCEA 2019, 2019/10/25, Without Invitation, English, HCMUT, Vietnam
  10. Construction and maintenance of infrastructures, K. Nakarai, 2018/11/02, With Invitation, English, Hioshima, Japan
  11. Japanese-Swiss Colloquium on Service Life Assessment of Existing Concrete Structures, K. Nakarai, Japanese-Swiss Workshop Service Life Assessment of Concrete Structures, 2018/10/18, With Invitation, English, SUPSI, Canobbio, Switzerland
  12. Japanese Standards and approaches regarding durability of concrete structures, K. Nakarai, Japanese-Swiss Workshop on Durability Testing of Concrete, 2018/10/16, Without Invitation, English, Technik und Forschung im Betonbau (TFB), Wildegg, Switzerland
  13. Effect of shear reinforcement on shear strength of RC beam with Limestone aggregate, A. Mizobe, K. Nakarai, H. Nishikawa, H. A. Saifullah, The 17th International Conference on Civil and Environmental Engineering (ICCEE2018), 2018/10/15, Without Invitation, English, Dalian University, Dalian, China
  14. Performance evaluation of expansive concrete members affected by drying, S. Kajita, A. Okazaki, Hoang V.N., K. Nakarai, H. Karasawa, Y. Tadokoro, The 17th International Conference on Civil and Environmental Engineering (ICCEE2018), 2018/10/15, Without Invitation, English, Dalian University, Dalian, China
  15. Analytical Study on Creep Shear failures of RC Slender Beams Without Web Reinforcement, Halwan Alfisa Saifullah, Kenichiro Nakarai, Nobuhiro Chijiwa and Koichi Maekawa, 4th International Conference on Rehabilitation and Maintenance in Civil Engineering (ICRMCE), 2018/07/12, Without Invitation, English, Sebelas Maret Universit, Solo, Indonesia
  16. Strength Development of Cement-Treated Sand Using Different Cement Types Cured at Different Temperatures, Lanh Si Ho, Kenichiro Nakarai, Kenta Eguchi, Takashi Sasaki, Minoru Morioka, 4th International Conference on Rehabilitation and Maintenance in Civil Engineering (ICRMCE), 2018/07/12, Without Invitation, English, Sebelas Maret Universit, Solo, Indonesia
  17. Shear strength of reinforced concrete beams: Effects of concrete volumetric change and limestone aggregate, Kenichiro Nakarai, 4th International Conference on Rehabilitation and Maintenance in Civil Engineering (ICRMCE), 2018/07/11, With Invitation, English, Solo, Indonesia
  18. Importance of C-S-H on concrete properties, Kenichiro Nakarai, Shingo Asamoto, 2018/03/06, With Invitation, Japanese
  19. Effect of cement types on strength development of cement-treated soils, Lanh Si Ho, Kenichiro Nakarai, Kenta Eguchi, Takashi Sasaki, Minoru Morioka, The Seventh International Conference on Geotechnique, Construction Materials and Environment, GEOMATE 2017, 2017/11/22, Without Invitation, English, Prof. Dr. Zakaria Hossain, GEOMATE, Mie, Japan
  20. Influence of curing condition on water absorption and chloride penetration into concrete, Yasutaka Kubori and Kenichiro Nakarai, The 16th International Conference on Civil and Environmental Engineering (ICCEE2017), 2017/11/14, Without Invitation, English, Hiroshima University (Japan), Pukyong National University (Korea), Dalian University of Technology (China), National Central University (Taiwan) and National Cheng Kung University, Tainan City, Taiwan
  21. Effects of high temperature history at early age and drying on shear strength of RC beams with limestone aggregate, Hiroki Nishikawa, Yu Sasaki, Xiangen Wang and Kenichiro Nakarai, The 16th International Conference on Civil and Environmental Engineering (ICCEE2017), 2017/11/14, Without Invitation, English, Hiroshima University (Japan), Pukyong National University (Korea), Dalian University of Technology (China), National Central University (Taiwan) and National Cheng Kung University, Tainan City, Taiwan
  22. Fracture Energy of Concrete Subjected to Elevated Temperature at Early Ages, Xiangen Wang, Hiroki Nishikawa and Kenichiro Nakarai, The 16th International Conference on Civil and Environmental Engineering (ICCEE2017), 2017/11/13, Without Invitation, English, Hiroshima University (Japan), Pukyong National University (Korea), Dalian University of Technology (China), National Central University (Taiwan) and National Cheng Kung University, Tainan City, Taiwan
  23. Temperature influence analysis on performance evaluation of expansive concrete under steam curing, Akeru Okazaki, Kenichiro Nakarai, Hideaki Karasawa, Yuji Tadokoro and MasatoTsujino, The 16th International Conference on Civil and Environmental Engineering (ICCEE2017), 2017/11/13, Without Invitation, English, Hiroshima University (Japan), Pukyong National University (Korea), Dalian University of Technology (China), National Central University (Taiwan) and National Cheng Kung University, Tainan City, Taiwan
  24. Chemical interaction between concrete and geo-materials, Kenichiro Nakarai, 2017/07/20, With Invitation, Japanese
  25. Concrete Engineering and its Contribution to Nuclear Waste Management, Kenichiro Nakarai, Research Conference on Cementitious Composites in Decommissioning and Waste Management (RCWM2017), 2017/06/20, With Invitation, English, JAEA, Tomioka, Fukushima, Japan
  26. An experimental investigation of hardness and pore structure of low-calcium fly ash cement paste internally alkali activated using roof tile waste aggregate, BUI P. Trinh, OGAWA Yuko, NAKARAI Kenichiro and KAWAI Kenji, 14th International Conference on Durability of Building Materials and Components, 2017/05/29, Without Invitation, English, Ghent University, Belgium, Ghent, Belgium
  27. Study on concrete quality assurance in Gunma Prefecture, Kenichiro Nakarai, Koichiro Shitama, 2017/01/11, With Invitation, Japanese
  28. Effects of internal curing with high-volume roof tile waste on compressive strength and porosity of fly ash concrete, P.T. Bui, Y. Ogawa, K. Nakarai, K. Kawai and R. Sato, The 7th International Conference of Asian Concrete Federation (ACF2016), 2016/10/30, Without Invitation, English, Asian Concrete Federation, Hanoi, Vietnam
  29. Application of a simple evaluation method for steam cured expansive concrete, Yu Sasaki, Kenichiro Nakarai,Hideaki Karasawa,Yuji Tadokoro,Masato Tsujino, The 7th International Conference of Asian Concrete Federation (ACF2016), 2016/10/30, Without Invitation, English, Asian Concrete Federation, Hanoi, Vietnam
  30. Cover concrete inspection of concrete structures, Kenichiro Nakarai, Summer seminar for young researchers in cement industry, 2016/09/01, With Invitation, Japanese
  31. Effect of loading conditions on shear creep failure of RC beams, Halwan Alfisa Saifullah, Kenichiro Nakarai, Van Piseth, Nobuhiro Chijiwa and Koichi Maekawa, The 11th fib International PhD Symposium in Civil Engineering, 2016/08/31, Without Invitation, English, fib, Tokyo, Japan
  32. Contribution of carbonation under drying curing condition to strength development of cement-treated soils, Lanh Ho Si, Kenichiro Nakarai, Takashi Sasaki, Masaaki Watanabe and Minoru Morioka, The 11th fib International PhD Symposium in Civil Engineering, 2016/08/29, Without Invitation, English, fib, Tokyo, Japan
  33. Effect of Injection of NaOH Solution on Pozzolanic and Hydration Reactions in Low-Calcium Fly Ash Cement Paste, Trinh P. Bui, Yuko Ogawa, Kenichiro Nakarai, and Kenji Kawai, The Fourth International Conference on Sustainable Construction Materials and Technologies (SCMT4), 2016/08/07, Without Invitation, English, University of Nevada, Las Vegas, Nevada
  34. Strength development and durability of cement-treated soils, Kenichiro Nakarai, IFSTTAR-RTRI Joint Seminar, Re-use of materials: sustainability and durability, 2016/06/23, Without Invitation, English, IFSTTAR, France
  35. Effect of Internal Alkali Activation on Long-Term Pozzolanic Reaction of Fly Ash in Cement Paste, Trinh P. Bui, Kazuki Ootaishi, Yuko Ogawa, Kenichiro Nakarai and Kenji Kawai, Second International Conference on Concrete Sustainability (ICCS16), 2016/06/13, Without Invitation, English, International Center for Numerical Methods in Engineering, Madrid, Spain
  36. An Experimental Study on the Effect of Internal Curing with Roof Tile Waste on Relative Humidity of Fly Ash Concrete, Yuko Ogawa, Kenichiro Nakarai, Kenji Kawai and Ryoichi Sato, The Fourteenth East Asia-Pacific Conference on Structural Engineering and Construction (EASEC-14), 2016/01/06, Without Invitation, English, HCMC University of Technology, Ho Chi Minh City, Vietnam
  37. Effects of Carbonation and Water Content on Strength Development of Cement-Treated Soil, Lanh Si Ho, Kenichiro Nakarai, Takashi Sasaki, Masaaki Watanabe and Minoru Morioka, The Fourteenth East Asia-Pacific Conference on Structural Engineering and Construction (EASEC-14), 2016/01/06, Without Invitation, English, HCMC University of Technology, Ho Chi Minh City, Vietnam
  38. Effect of Internal Activation on Pozzolanic Reaction in Fly Ash Cement Paste by Using Sodium Hydroxide Solution, Phuong Trinh Bui, Yuko Ogawa, Kenichiro Nakarai and Kenji Kawai, Fourteenth East Asia-Pacific Conference on Structural Engineering and Construction (EASEC-14), 2016/01/06, Without Invitation, English, HCMC University of Technology, Ho Chi Minh City, Vietnam
  39. Effect of lime stone aggregate on properties of concrete and reinforced concrete structure, Nakarai, K., Kawai, N., Sato, R., Ogawa, Y., and Kawai, K., The Third Scientific Conference in Transport Technology, 2015/10/17, Without Invitation, English, University of Transport Technology, Hanoi, Vietnam
  40. Effect of carbonation under drying condition on strength development of cement-treated soil, Ho, L.S., Nakarai, K., Sasaki, T., Watanabe, M. and Morioka, M., The Third Scientific Conference in Transport Technology, 2015/10/17, Without Invitation, English, University of Transport Technology, Hanoi, Vietnam
  41. Comparative Study of Permeability Tests of Covercrete, Mori, Y, Yamanaka, S., Nakarai, K., Nishio, S., The 14th International Conference on Civil and Environmental Engineering (ICCEE 2015), 2015/10/09, Without Invitation, English, NCU, Taoyuan, Taiwan
  42. Effect of limestone aggregate on shear strength of RC beams, Nao KAWAI, Kenichiro NAKARAI, Yuko OGAWA and Ryoichi SATO, The 14th International Conference on Civil and Environmental Engineering (ICCEE 2015), 2015/10/09, Without Invitation, English, NCU, Taoyuan, Taiwan
  43. Effect of volumetric changes of concrete and loading rates on shear strength of RC beams, Kenichiro Nakarai, The 14th International Conference on Civil and Environmental Engineering (ICCEE 2015), 2015/10/09, With Invitation, English, NCU, Taoyuan, Taiwan
  44. Experimental Study on Effects of Loading Rate on the Shear Performance of RC Beam, Piseth, V., Nakarai, K., Chijiwa, N. and Maekawa, K., Mechanics and Physics of Creep, Shrinkage, and Durability of Concrete and Concrete Structures (CONCREEP-10), 2015/09/22, Without Invitation, English, Vienna University of Technology, Vienna, Austria
  45. Delayed shear crack formation of shallow RC box culverts in service, Chijiwa, N., Zhu, X., Ohno, H. Tanabe, S., Nakarai, K., and Maekawa, K., Mechanics and Physics of Creep, Shrinkage, and Durability of Concrete and Concrete Structures (CONCREEP-10), 2015/09/22, Without Invitation, English, Vienna University of Technology, Vienna, Austria
  46. Effect of lime stone aggregate on drying shrinkage and shear strength of RC beam, Nakarai, K., Sato, R., Ogawa, Y., and Kawai, K., Mechanics and Physics of Creep, Shrinkage, and Durability of Concrete and Concrete Structures (CONCREEP-10), 2015/09/21, Without Invitation, English, Vienna University of Technology, Vienna, Austria
  47. Experimental studies on effective creep coefficient in prestressed concrete girder, Ogawa, Y., Kameta, S., Sato, R., Nakarai, K., and Kawai, K., Mechanics and Physics of Creep, Shrinkage, and Durability of Concrete and Concrete Structures (CONCREEP-10), 2015/09/21, Without Invitation, English, Vienna University of Technology, Vienna, Austria
  48. Activity of JSCE TC 335 and subsequent deployment, Nakarai, K., International Workshop on Concrete Durability, 2015/07/04, Without Invitation, English, Japan Concrete Institute, Nagasaki, Japan
  49. Covercrete quality and durability verification of concrete structures: summary of JSCE335 technical report, Nakarai, K., Kurashige, I. and Kishi, T., International Conference on the Regeneration and Conservation of Concrete Structures (RCCS), 2015/07/02, Without Invitation, English, Japan Concrete Institute, Nagasaki, Japan
  50. Effect of starting time of alkali activation on pozzolanic reaction of fly ash cement paste, BUI P.Trinh, Yuko Ogawa, Kenichiro Nakarai,Kenji Kawai, 2015/05/12, Without Invitation, English
  51. Covercrete quality of concrete structures, Kenichiro Nakarai, 20150205, 2015/02/05, With Invitation, Japanese
  52. Calcium leaching of cement paste in contact with bentonite mixed with carbonate for engineered barrier system, Nakarai, K., Shibata, M. and Sakamoto, H., Fourth International Symposium on Life-Cycle Civil Engineering (IALCCE2014), 2014/10/19, Without Invitation, English, Tokyo, Japan
  53. Performance of Reinforced Concrete Beams Containing a Molten Slag as Fine Aggregate, Nakarai Kenichiro, Kawamura Kazumasa, Ogawa Yuko and Sato Ryoichi, Hybrid 2014 "Exploring the Potential of Hybrid Structures for Sustainable Construction, 2014/06/23, Without Invitation, English, Fribourg, Switzerland
  54. Sustainable construction work based on prediction and verification considering interaction in total system, Nakarai, K., International workshop on concrete sustainability, 2014/03/07, Without Invitation, English, Takamatsu, Japan
  55. A new repair method of honeycombing by resin infusion without removing attached aggregates, Sasaki, N., Kobayashi, K., and Nakarai, K., Fourth international fib congress 2014, 2014/02/12, Without Invitation, English, Mumbai, India
  56. Effect of volume change of concrete on shear capacity of RC beam and its evaluation, Nakarai, K., Matsushita, S. and Morito, S., Fourth international fib congress 2014, 2014/02/11, Without Invitation, English, Mumbai, India
  57. Behavior of Penetration and Leaching of Cesium in Mortar Having Various Fine Aggregates and Moisture Content, Ito Masashi, Nakarai Kenichiro, Hayashi Akihiko and Kawai Kenji, Third International Conference on Geotechnique, Construction Materials and Environment, 2013/11/15, Without Invitation, English, Nagoya, Japan
  58. Swelling Deformantion of Bentonite Mixed with Inorganic Materials in Alkaline Solution, Yokoyama Yuki, Nakarai Kenichiro, Third International Conference on Geotechnique, Construction Materials and Environment, 2013/11, Without Invitation, English, Nagoya, Japan
  59. An Effective Flexural Stiffness Equation for Long Term Deflection of Prestressed Concrete with and without Cracks, Sato Ryoichi, Nakarai Kenichiro, Ogawa Yuko and Kawai Kenji, The ninth international Conference on Creep, Shrinkage and Durability Mechanics of Concrete, 2013/09, Without Invitation, English, Cambridge, Massachusetts, United States
  60. Effect of pozzolan on cement-bentonite interaction in nuclear waste management, Nakarai Kenichiro, Yokoyama Yuki, The Third International Conference on Sustainable Construction Materials & Technologies, 2013/08/21, Without Invitation, English, Kyoto, Japan
  61. Structural Performance of RC Beams Containing a Molten Slag as Fine Aggregate, Nakarai Kenichiro, Kawamura Kazumasa, Ogawa Yuko and Sato Ryoichi, The First International Conference on Concrete Sustainability, 2013/05/29, Without Invitation, English, Tokyo
  62. Evaporative cooling effect of porous concrete with recycled aggregate, Shinozaki Masumi, Nakarai Kenichiro, The First International Conference on Concrete Sustainability, 2013/05/27, Without Invitation, English, Tokyo
  63. Properties of concrete containing a molten slag as fine aggregate, Kawamura Kazumasa, Ogawa Yuko, Macharia Martin Mwangi, Nakarai Kenichiro and Sato Ryoichi, The First International Conference on Concrete Sustainability, 2013/05/27, Without Invitation, English, Tokyo
  64. Swelling deformation of the bentonite mixed with silica fume or sodium carbonate in calcium hydroxide solution, Yuki Yokoyama, Kenichiro Nakarai, Second International Conference on Geotechnique, Construction Materials and Environment, 2012/11, Without Invitation, English, Kuala Lumpur, Malaysia
  65. Effect of carbonation on strength of cement treated sand, Kenichiro Nakarai, Tomomi Yoshida, Second International Conference on Geotechnique, Construction Materials and Environment, 2012/11, Without Invitation, English, Kuala Lumpur, Malaysia
  66. Evolution of cement-bentonite interfaces: Experiments and models, Nakarai, K., Kosakowski, G., Berner, U., and Owada, H., ModelCare 2011, 2011/09/19, Without Invitation, English, Leipzig, Germany
  67. Physical Properties of Mortar and Concrete Using Low-Alkalinity Cement Based on Sulphoaluminate Clinker, Fujita, H., Kurauchi, H., Nakarai, K., and Tsuji, Y., 7th International Symposium of Cement & Concrete, 2010/05/11, Without Invitation, English, Jinan, China
  68. Mechanical Behaviors and Evaluation of Expansive Concrete Applied to Reinforced Concrete Member, Suhara, K., Ashida, M., Nakarai, K., and Tsuji, Y., 4th International Conference on Construction Materials: Performance, Innovations and Structural Implications, 2009/08, Without Invitation, English, Nagoya, Japan
  69. Evaluation of long-term durability of concrete contact with bentonite by electrical migration technique for Nuclear Waste Management, Nakarai, K., Watanabe, M., Koibuchi, K. and Tsuji, Y., The Fred Glasser Cement Science Symposium, 2009/06/18, Without Invitation, English, Aberdeen, Scotland, UK
  70. Numerical evaluation of cement/bentonite interaction in engineered barrier system, Nakarai, K., Ishida, T, European Geosciences Union General Assembly 2009 (EGU2009), 2009/04/22, Without Invitation, English, Vienna, Austria
  71. Evaluation of long-term durability of concrete contact with bentonite mixed with NaHCO3 by electrical migration technique, Nakarai, K., Watanabe, M., and Koibuchi, K., International RILEM Workshop on Long-Term Performance of Cementitious Barriers and Reinforced Concrete in Nuclear Power Plants and Waste Management (NUCPERF2009), 2009/04/01, Without Invitation, English, Cadarache, France
  72. Comparative study using some advanced simulation methods for leaching of cementitious materials over thousands of years, Torichigai, T., Yokozeki, K., Ishida, T., Nakarai, K. and Sugiyama, D, Mechanisms and modelling of waste/cement interactions (Cement08), 2008/10/16, Without Invitation, English, Le Croisic, France
  73. Evaluation of long-term durability of engineered barrier system of bentonite and cementitious materials by migration technique, Nakarai, K.., Watanabe, M., Sugiyama, T. and Tsuji, Y., 2nd International Workshop: Mechanisms and modelling of waste/cement interactions (Cement08), 2008/10/14, Without Invitation, English, Le Croisic, France
  74. Durability mechanics of concrete and concrete structures - re-definition and a new approach, Committee Reports of JCI, Sato, R., Shimomura, T., Maruyama, I. and Nakarai, K., 8th International Conference on Creep, Shrinkage and Durability of Concrete and Concrete Structures (CONCREEP8), 2008/10/01, Without Invitation, English, Ise-Shima, Japan
  75. Numerical evaluation of influence of pozzolanic materials on shrinkage base on moisture state and pore structure, Nakarai, K., Ishida, T., Shrinkage and Durability of Concrete and Concrete Structures (CONCREEP8), 2008/09/30, Without Invitation, English, Ise-Shima, Japan
  76. Modeling of Calcium Leaching from Cemented Composites Coupled with Micro-Pore Structural Reform, Maekawa, K., K., Nakarai, K. and Ishida, T., Joint 8th. World Congress on Computational Mechanics (WCCM8) and 5th. European Congress on Computational Methods in Applied Sciences and Engineering (ECCOMAS 2008), 2008/07/01, With Invitation, English, Venice, Italy
  77. Modeling of calcium leaching from cement hydrates coupled with microstructure formation, Nakarai, K., Ishida, T., Maekawa, K. and Kishi, T, 2nd international conference on concrete modeling (ConMod08), 2008/05/27, Without Invitation, English, Delft, Netherlands
  78. Computational approach to shrinkage of fly ash concrete based on integrated modeling of moisture state and pore structure formation, Nakarai, K., Ishida, T., International Seminar on Durability and Lifecycle Evaluation of Concrete Structures, 2007/09, Without Invitation, English, Higashi-Hiroshima,Japan
  79. Effect of dry density of bentonite in contact with concrete on its alteration after electrical migration, Watanabe, M., Nakarai, K., Sugiyama, T., Tomizawa, N. and Tsuji, Y., 32th Conference on Our World in Concrete & Structures, 2007/08/29, Without Invitation, English, Singapore
  80. Numerical Evaluation of Calcium Leaching from Cementitious Materials in contact with Bentonite, Nakarai, K., Usui, T. and Ishida, T., The International Symposium on Social Management Systems (ISMS2007), 2007/03, Without Invitation, English, Yichang, China
  81. International Technical Standards in the Field of Concrete, Tsuji, Y., Nakarai, K. and Li, C.-H., The International Symposium on Social Management Systems (ISMS2007), 2007/03, Without Invitation, English, Yichang, China
  82. Multi-Scale Analysis of Calcium Leaching from Cemented Soil based on Thermodynamic Approach, Akioka, Y., Nakarai, K. and Ishida, T., The Tenth East Asia-Pacific Conference on Structural Engineering and Construction (EASEC-10), 2006/08/03, Without Invitation, English, Bangkok, Thailand
  83. Performance Evaluation of Engineered Barrier based on Thermodynamic Modeling of Coupled Cementitious Material and Bentonite, Nakarai, K., Usui, T. and Ishida, T., The Tenth East Asia-Pacific Conference on Structural Engineering and Construction (EASEC-10), 2006/08/03, Without Invitation, English, Bangkok, Thailand
  84. Multi-Chemo Physical Approach to Life-Cycle Assessment of Structural Concrete, Maekawa, K., Ishida, T. and Nakarai, K.,, The Tenth East Asia-Pacific Conference on Structural Engineering and Construction (EASEC-10), 2006/08, Without Invitation, English, Bangkok, Thailand
  85. Evaluation on the Stiffness of RC Member with Consideration to Moisture Transport and Change in Volume, Dinh, H. M., Nakarai, K. and Maekawa, K., The Tenth East Asia-Pacific Conference on Structural Engineering and Construction (EASEC-10), 2006/08, Without Invitation, English, Bangkok, Thailand
  86. Multi-Scale Analysis of Calcium Leaching from Cement coupled with Pore Structure Formation, Nakarai, K., Ishida, T. and Maekawa, K., Seventh CANMET/ACI International Conference on Durability of Concrete, 2006/06, Without Invitation, English, Montreal, Canada
  87. A Unified Approach to Performance Evaluation of Existing Concrete Structure - Integration of a Numerical Simulation Scheme and Durability Indicators, Ishida, T., Maekawa, K. and Nakarai, K., International RILEM Workshop on Performance Based Evaluation and Indicators for Concrete Durability, 2006/03, Without Invitation, English, Madrid,Spain
  88. Chemo-Physical and Mechanical Approach to Performance Assessment of Structural Concrete and Soil Foundation, Maekawa, K., Ishida, T. and Nakarai, K., Transport Properties and Concrete Quality Workshop, 2005/10, Without Invitation, English, Arizona, The United States
  89. Capacity Assessment of RC Members and Knee Joints with Ruptured Main Reinforcement, Construction Materials, Nakarai, K., Maekawa, K., ConMat'05 and Mindless Symposium, 2005/08, Without Invitation, English, Vancouver, Canada
  90. Multi-Scale Modeling of Concrete Performance, Ishida, T., Maekawa, K. and Nakarai, K., COE Workshop on Material Science in 21st century for the construction industry - Durability, repair and recycling of concrete structures, 2005/08, With Invitation, English, Sapporo, Japan
  91. Enhanced Modeling of Microstructure Formation of Cement Hydrates Coupled with Thermodynamics, Nakarai, K., Ishida, T., Kishi, T. and Maekawa, K., Cementitious Materials as Model Porous Media: Nanostructure and Transport Processes, 2005/07, Without Invitation, English, Monte Verità, Switzerland
  92. Damage Analysis of RC Members with Ruptured Main Reinforcement, Nakarai, K., Nagao, N., Igarashi, S. and Maekawa, K., The First International Conference of Asian Concrete Federation, 2004/10, Without Invitation, English, Chiang Mai, Thailand
  93. Multi-scale Modeling for Corroded Reinforced Concrete and Soil Foundation, Ishida, T., Nakarai, K., Toongoenthong, K. and Maekawa, K., World Conference on Computational Mechanics VI, 2004/09, Without Invitation, English, Beijing, China
  94. Computational Platform for Life-cycle Assessment of RC/PC Infrastructures, Maekawa, K., Ishida, T. and Nakarai, K., International Conference on Construction IT, 2004/08, Without Invitation, English, Beijing, China
  95. Modeling of Time-dependent Material Properties of Cemented Soil based on Thermodynamic Approach, Nakarai, K., Ishida, T., The Ninth East Asia-Pacific Conference on Structural Engineering and Construction (EASEC-9), 2003/12, Without Invitation, English, Nusa Dua, Bali
  96. Seismic stability of geosynthetic-reinforced soil bridge abutment, Nakarai, K., Shinoda, M., Watanabe, K., Tateyama, M., Uchimura, T. and Tatsuoka, F., International Conference on Geosynthetics, 7th, 2002/09, Without Invitation, English, Nice, France

Awards

  1. 2003/11/11, Best Presentation Award, Japan Society of Civil Engineers
  2. 2004/10/28, Best Presentation Award, Japan Society of Civil Engineers
  3. 2004/05/28, Yoshida Young Researcher Award, Japan Society of Civil Engineers
  4. 2005/06/22, Best Paper Award, Japan Concrete Institute
  5. 2005/07/11, Best Presentation Award, Japan Cement Association
  6. 2005/07/22, Best Presentation Award, Japanese Geotechnical Society
  7. 2005/12/26, Best Presentatoin Award, Japan Society of Civil Engineers
  8. 2006/05/26, Best Paper Award for Young Researcher, Japan Society of Civil Engineers
  9. 2007/05/22, Best Paper Award for Young Researcher, Japan Concrete Institute
  10. 2007/06/08, Maeda Engineering Award, Maeda Engineering Foudation
  11. 2008/05/29, Best Paper Award for Young Researcher, Japan Geotechnical Engineering
  12. 2008/12/10, Best Presentatoin Award, Japan Society of Civil Engineers
  13. 2009/04/14, The Young Scientists' Prize, The Commendation for Science and Technology by the Minister of Education, Culture, Sports, Science and Technology, Ministry of Education, Culture, Sports, Science and Technology
  14. 2009/05/08, Best Teacher Award, Gunma University
  15. 2010/02/05, Yokoyama Science and Technology Award, Yokoyama Science and Technology Award Committee
  16. 2010/07/09, Best Paper Award, Japan Concrete Institute
  17. 2011/07/07, Best Presentation Award, Japan Cement Association
  18. 2015/05/13, Best paper, Japan Cement Association, Capturing in cement paste of heavy metal added with different methods
  19. 2015/12/01, Best Presentatoin Award, Japan Society of Civil Engineers

Patented

  1. Patent, 米国登録番号:US8647015, 2014/02/11, ARTIFICIAL MULTI-BARRIER FOR A RADIOACTIVE WASTE TREATMENT FACILITY
  2. Patent, 5933930, 2016/05/13
  3. Patent, CA2727983, 2016/08/16, ARTIFICAL MULTI-MARRIER FOR A RADIOACTIVE WASTE TREATMENT FACILITY

External Funds

Acceptance Results of Competitive Funds

  1. KAKENHI(Grant-in-Aid for Scientific Research (B)), 2018, 2020
  2. KAKENHI(Fund for the Promotion of Joint International Research (Fostering Joint International Research (B))), 2018, 2021
  3. KAKENHI(Fund for the Promotion of Joint International Research (Fostering Joint International Research)), 2016, 2017
  4. KAKENHI, 2013, 2015
  5. KAKENHI, 2013, 2015
  6. KAKENHI, 2012, 2014
  7. KAKENHI, 2012, 2014
  8. KAKENHI, 2011, 2015
  9. KAKENHI, Development of highly-functional pervious concrete utilizing potential of aggregates, 2011, 2012
  10. KAKENHI, 2008, 2010
  11. KAKENHI, Development of performance evaluation method of soil-cementitious materials and environmental cleanup technique by considering chemical composition, 2008, 2010
  12. KAKENHI, Multi-scale modeling of cementitious composites for performance assessment of reinforced concrete infrastructures subjected to coupled with high-cycle load and environmental impacts, 2008, 2010
  13. KAKENHI, 2006, 2007
  14. KAKENHI, 2006, 2007
  15. KAKENHI, 2005, 2005
  16. KAKENHI, 2004, 2005
  17. KAKENHI, Long-term performance assessment platform of interacted soil-structure system based on multi-scale analysis, 2003, 2007