【IMPORTANT】T2R2 and STAR Search: Service Discontinuation and Successor Systems

Journal Paper

• Riku Watanabe, Kikuo Ikarashi, Kazuya Mitsui. A METHOD FOR EVALUATION OF ELASTIC LOCAL BUCKLING STRENGTH OF I-SHAPED BEAM WITH CIRCULAR WEB OPENINGS, Journal of Structural and Construction Engineering (Transactions of AIJ), Architectural Institute of Japan, Vol. 91, No. 842, pp. 500–511, Apr. 2026.
• Kikuo Ikarashi, Kazuya Mitsui, Koshiro Mori, Seiya Kimura, Mamoru Uchida, Masato Nikaido, Ryohei Kuwada. EVALUATION OF STRUCTURAL PERFORMANCE OF BUILT-UP I-SHAPED BEAM MEMBERS WITH RESISTANCE DEGRADATION DUE TO LOCAL BUCKLING AND DUCTILE CRACK PROPAGATION UNDER CYCLIC LOADING, Journal of Structural and Construction Engineering (Transactions of AIJ), Architectural Institute of Japan, Vol. 91, No. 840, pp. 306–317, Feb. 2026.

Domestic Conference (Not reviewed / Unknown)

• Keiichiro Sada, KIKUO IKARASHI, Kazuya Mitsui. Buckling Strength of Oblique Panel Subjectgted to Bending Shear Stress, 2026年度日本建築学会大会学術講演会, Summaries of technical papers of Annual Meeting Architectural Institute of Japan, C-Ⅲ, pp. 1437-1438, July 2026.
• 吉富 優輝, Kazuya Mitsui, KIKUO IKARASHI, 平井 健太, 常木 康弘, Seiya Kimura, 日景 翔太, 中谷 俊明. Test on Repair Effectiveness of H-shaped Beams with Strength Degradation due to Local Buckling Repair Methods and Design of Repair Members for H-Section Steel Beams Damaged by Local Buckling: Part 3, 2026年度日本建築学会大会学術講演会, Summaries of technical papers of Annual Meeting Architectural Institute of Japan, C-Ⅲ, pp. 1267-1268, July 2026.
• Kazuya Mitsui, KIKUO IKARASHI, 吉富 優輝, 平井 健太, 常木 康弘, Seiya Kimura, 中谷 俊明, 日景 翔太. Changes in the Structural Performance of H-Shaped Steel Beams Damaged by Local Buckling in the Pre- and Post-Repair States Repair Methods and Design of Repair Members for H-Section Steel Beams Damaged by Local Buckling: Part 4, 2026年度日本建築学会大会学術講演会, Summaries of technical papers of Annual Meeting Architectural Institute of Japan, C-Ⅲ, pp. 1269-1270, July 2026.
• Keisuke Kuramochi, KIKUO IKARASHI, Kazuya Mitsui. Effect of Access Hole Shape and Unwelded Zone on Strain Concentration of I-shaped Beam Members Subjected to Cyclic Loading, 2026年度日本建築学会大会学術講演会, Summaries of technical papers of Annual Meeting Architectural Institute of Japan, C-Ⅲ, pp. 1387-1388, July 2026.
• Seiya Kimura, Jun Iyama, Kazuya Mitsui, Tadashi Ishihara, Toshiyuki MASATSUKI, So SUZUKI, Yasuhiro TSUNEKI, Miwa SADAMOTO, Yuko Shimada, Yuki SHIRAI, Masaki WAKUI, KIKUO IKARASHI. Development and Social Implementation of Evaluation Technology Supporting Post-Earthquake Evacuation, Return, and Recovery Using Response Measurement Results, Research on Building Seismic Performance Evaluation Using Member-Level Response Measurements for Steel Structures Part 1, Summaries of Technical Papers of Annual Meeting, Architectural Institute of Japan, 構造Ⅲ, pp. 1233-1234, July 2026.
• 桑田 涼平, Keigo Okazaki, Kazuya Mitsui, KIKUO IKARASHI, Tomoki Kobashi, Keiichi Sato. Post-buckling Behavior of Cold-formed Lipped Channel Members Subjected to Uniform Bending, 2026年度日本建築学会大会学術講演会, Summaries of technical papers of Annual Meeting Architectural Institute of Japan, C-Ⅲ, pp. 1013-1014, July 2026.
• 中瀬徳人, KIKUO IKARASHI, Kazuya Mitsui. Elastic Buckling Strength of Flexural-Torsional Buckling of Single Angle Compression Members about a Prescribed Axis Defined at the Member Ends, 2026年度日本建築学会大会学術講演会, Summaries of technical papers of Annual Meeting Architectural Institute of Japan, C-Ⅲ, pp. 977-978, July 2026.
• GANZORIG Tuvshinzaya, Kazuya Mitsui, KIKUO IKARASHI. Determination of the Required Lip Width for Cold-Formed Lipped Channel Sections Based on Elastic Buckling Strength, 2026年度日本建築学会大会学術講演会, Summaries of technical papers of Annual Meeting Architectural Institute of Japan, C-Ⅲ, pp. 979-980, July 2026.
• Keiichi Sato, GANZORIG Tuvshinzaya, Kazuya Mitsui, KIKUO IKARASHI, Tomoki Kobashi, 桑田涼平. Experimental Verification on the Required Lip Width of Cold-Formed Lipped Channel Sections under Pure Compression, 2026年度日本建築学会大会学術講演会, Summaries of technical papers of Annual Meeting Architectural Institute of Japan, C-Ⅲ, pp. 981-982, July 2026.
• Keigo Okazaki, Kazuya Mitsui, KIKUO IKARASHI. Elastic Local and Distortional Buckling Strength of Cold-formed Lipped Channel Members Subjected to Non-uniform Bending, 2026年度日本建築学会大会学術講演会, Summaries of technical papers of Annual Meeting Architectural Institute of Japan, C-Ⅲ, pp. 1015-1016, July 2026.
• Riku Watanabe, KIKUO IKARASHI, Kazuya Mitsui. Classification of Elastic Local Buckling Deformations of I-section Beams with a Web Hole, 2026年度日本建築学会大会学術講演会, Summaries of technical papers of Annual Meeting Architectural Institute of Japan, C-Ⅲ, pp. 1033-1034, July 2026.
• KIKUO IKARASHI, Riku Watanabe, Kazuya Mitsui. Elastic Local Buckling of I-section Beams with a Reinforced Hole, 2026年度日本建築学会大会学術講演会, Summaries of technical papers of Annual Meeting Architectural Institute of Japan, C-Ⅲ, pp. 1035-1036, July 2026.
• SHINTARO KANEZKI, KIKUO IKARASHI, Kazuya Mitsui, Riku Watanabe, 吉田和彦, Seiya Kimura, 二島冬太, Wataru Sano, AYAKA UETO, Takuya Ueki, 平山貴章, Tooru Watanabe, 岩﨑郁弥, 村田学. Effects of Reinforcements and Stiffeners on Plastic Deformation Capacity of H-shaped Beams with Openings when Width-thickness Ratio of Web is Large Part 1 Outline of the Test and Results of Specimens without Stiffeners, 2026年度日本建築学会大会学術講演会, Summaries of technical papers of Annual Meeting Architectural Institute of Japan, C-Ⅲ, pp. 1037-1038, July 2026.
• AYAKA UETO, KIKUO IKARASHI, Kazuya Mitsui, Riku Watanabe, 吉田和彦, Seiya Kimura, 二島冬太, Wataru Sano, Takuya Ueki, SHINTARO KANEZKI, 平山貴章, Tooru Watanabe, 岩﨑郁弥, 村田学. Effects of Reinforcements and Stiffeners on Plastic Deformation Capacity of H-shaped Beams with Openings when Width-thickness Ratio of Web is Large Part 2 Results of Specimens with Vertical Stiffeners, 2026年度日本建築学会大会学術講演会, Summaries of technical papers of Annual Meeting Architectural Institute of Japan, C-Ⅲ, pp. 1039-1040, July 2026.
• 平山貴章, KIKUO IKARASHI, Kazuya Mitsui, Riku Watanabe, 吉田和彦, Seiya Kimura, 二島冬太, Wataru Sano, Takuya Ueki, AYAKA UETO, SHINTARO KANEZKI, Tooru Watanabe, 岩﨑郁弥, 村田学. Effects of Reinforcements and Stiffeners on Plastic Deformation Capacity of H-shaped Beams with Openings when Width-thickness Ratio of Web is Large Part 3 Results of Specimens with Beams whose Ends were Stiffened using Reinforcement, 2026年度日本建築学会大会学術講演会, Summaries of technical papers of Annual Meeting Architectural Institute of Japan, C-Ⅲ, pp. 1041-1042, July 2026.
• Wataru Sano, KIKUO IKARASHI, Kazuya Mitsui, Riku Watanabe, 吉田和彦, Seiya Kimura, 二島冬太. Plastic Deformation Capacity of Beam End Web Stiffened H-shaped Beams with Openings when Width-thickness Ratio of Web is Large, 2026年度日本建築学会大会学術講演会, Summaries of technical papers of Annual Meeting Architectural Institute of Japan, C-Ⅲ, pp. 1043-1044, July 2026.
• Sena Mitsuda, Kazuya Mitsui, KIKUO IKARASHI, 梅村恒, Seiya Kimura. A Hysteresis Model for I-shaped Beams Considering Local Buckling Collapse Mode and Displacement History, 2026年度日本建築学会大会学術講演会, Summaries of technical papers of Annual Meeting Architectural Institute of Japan, C-Ⅲ, pp. 1055-1056, July 2026.
• Kashu Shiozawa, KIKUO IKARASHI, Kazuya Mitsui. Elastic Buckling Behavior of I-shaped Beams Subjected to Uniformly Distributed Load and End Moments, 2026年度日本建築学会大会学術講演会, Summaries of technical papers of Annual Meeting Architectural Institute of Japan, C-Ⅲ, pp. 1081-1082, July 2026.
• 大坪祐介, Kazuya Mitsui, Seiya Kimura, 早瀬由衣加, 福間智之, KIKUO IKARASHI, Keiichiro Sada, Sena Mitsuda, 田中駿太郎, 安住良治, 小谷龍城, 藤本真悟. Restraint Effects of CLT Panels Connected to Both Top and Bottom Flnages on the Lateral-Torsional Buckling Behavior of Steel Beams, 2026年度日本建築学会大会学術講演会, Summaries of technical papers of Annual Meeting Architectural Institute of Japan, C-Ⅲ, pp. 1099-1100, July 2026.
• Seiya Kimura, Jun Iyama, Kazuya Mitsui, Tadashi Ishihara, Toshiyuki Masatsuki, Souichirou Suzuki, 常木 康弘, 貞許 美和, Yuko Shimada, Yuki Shirai, 涌井 将貴, KIKUO IKARASHI. Development and Social Implementation of Evaluation Technology Supporting Post-Earthquake Evacuation, Return, and Recovery Using Response Measurement Results Research on Building Seismic Performance Evaluation Using Member-Level Response Measurements for Steel Structures Part 1, 2026年度日本建築学会大会学術講演会, Summaries of technical papers of Annual Meeting Architectural Institute of Japan, C-Ⅲ, pp. 1233-1234, July 2026.
• 平井 健太, Kazuya Mitsui, Seiya Kimura, KIKUO IKARASHI, 吉富 優輝, 常木 康弘, 日景 翔太, 中谷 俊明. Repair Methods and Design of Repair Members for H-Section Steel Beams Damaged by Local Buckling Research on Post-Earthquake Damage Repair and Continued Use of Steel Structural Members: Part 1, 2026年度日本建築学会大会学術講演会, Summaries of technical papers of Annual Meeting Architectural Institute of Japan, C-Ⅲ, pp. 1263-1264, July 2026.
• 日景 翔太, Kazuya Mitsui, Seiya Kimura, KIKUO IKARASHI, 吉富 優輝, 常木 康弘, 平井 健太, 中谷 俊明. Repair Methods and Construction Procedures for H-Section Steel Beams Damaged by Local Buckling Repair Methods and Design of Repair Members for H-Section Steel Beams Damaged by Local Buckling: Part 2, 2026年度日本建築学会大会学術講演会, Summaries of technical papers of Annual Meeting Architectural Institute of Japan, C-Ⅲ, pp. 1265-1266, July 2026.

Patent

• KIKUO IKARASHI, Kazuya Mitsui. 補剛構造. Patent. Published. 国立大学法人東京科学大学. 2024/07/18. 特願2024-114970. 2026/01/29. 特開2026-14065. 2026.

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