Journal Paper

• Kenichi Fujisawa, Ryuta Imai, Nobuhiro Chijiwa, Manabu Fujii. Deterioration Mechanism of Protective Coating Materials for Anti-corrosion in Sewage Facilities Under Long-term Service Environment, Concrete Research and Technology, Vol. 36, pp. 61-69, Sept. 2025.  Official location  
• Ryo Sakamoto, Nobuhiro Chijiwa, Kentaro Saito, Kazuhide Nakayama, CheChia Kang. Study on Radio Wave Transparency Improvement of Concrete Focusing on Internal Water Content, Journal of Advanced Concrete Technology, Vol. 23, Issue 8, pp. 395-409, Aug. 2025.  Official location  
• Wiracha Thaue, Mitsuyasu Iwanami, Kazuhide Nakayama, Nobuhiro Chijiwa. MICP using calcium-rich waste solution from acetic acid treatment as a calcium source to improve the properties of recycled coarse aggregate, Construction and Building Materials, Volume 489, June 2025.
• Ryo Sakamoto, Federico P. Pederson, Hee-Jeong Kim, Nobuhiro Chijiwa. Study on the nucleation process of reaction products in geopolymer by in situ test using Raman microscopy, Journal of Building Engineering, Vol. 111, June 2025.  Official location  
• Kondo Masatoshi, Kano Yuki, Chijiwa Nobuhiro, Oh Minho. Novel fiber reinforced concrete based on liquid metal technology toward resource recycling society, Progress in nuclear science and technology, Atomic Energy Society of Japan, Vol. 7, pp. 243-249, Mar. 2025.
• Ryo SAKAMOTO, Nobuhiro CHIJIWA, Kentaro SAITO, Kazuhide NAKAYAMA, CheChia KANG. STUDY ON RADIO WAVE TRANSPARENCY IMPROVEMENT OF CONCRETE FOCUSING ON INTERNAL WATER CONTENT, Journal of JSCE, Japan Society of Civil Engineers, Vol. 81, No. 3, Mar. 2025.  Official location  
• Mikinao Goto, 藤森竣平, 近藤冬東, Mitsuyasu Iwanami, Nobuhiro Chijiwa, 津野和宏. 中小河川に架かる橋梁を対象とした効率的な定期点検への取り組み, インフラメンテナンス実践研究論文集, Vol. 4, No. 1, pp. 11-20, Feb. 2025.

International Conference (Reviewed)

• Natsuki Ohashi, Carolina Melendez, Graça Vasconcelos, Miguel Azenha, Nobuhiro Chijiwa. The effect of specimen size and the number of exposed surfaces on the drying shrinkage of concrete, the 3rd International Conference on Moisture in Buildings (ICMB), UCL Open Environment 7(S1), pp. 1-3, Oct. 2025.  Official location  
• Y. Suzuki, N. Chijiwa, K. Nakayama, M. Iwanami, A.S. Syll. Deterioration Prediction and Optimal Repair Timing Assessment for RC Abutments in Tidal River Environments, Eighth International Conference on Durability of Concrete Structures, International Conference on Durability of Concrete Structures, CMS01, Oct. 2025.  Official location  
• Kyle Cabatit, Nobuhiro Chijiwa, Kunihiko Uno, Yutaka Tanaka, Toru Yamaji. Experimental and Analytical Study of RC Beams with Combined Steel Mass Loss and Spalling, IABSE Symposium: Environmentally Friendly Technologies and Structures: Focusing on Sustainable Approaches, IABSE Symposium Tokyo 2025, pp. 3361-3369, May 2025.  Official location  

Domestic Conference (Reviewed)

• Ryuichi Hashimoto, Amadou Sakhir Syll, Ryota Kurihara, Nobuhiro Chijiwa. PC鋼材破断時のプレストレス変化が鋼材ひずみと耐荷性状に及ぼす影響, 第34回プレストレストコンクリートの発展に関するシンポジウム, 第34回プレストレストコンクリートの発展に関するシンポジウム論文集, Oct. 2025.  Official location  
• Sota Masui, Nobuhiro Chijiwa, Amadou Sakhir Syll, Ryota Kurihara. PC鋼より線破断後の再定着に影響を与える因子についての解析的検討, 第34回プレストレストコンクリートの発展に関するシンポジウム, 第34回プレストレストコンクリートの発展に関するシンポジウム論文集, Oct. 2025.  Official location  

International Conference (Not reviewed / Unknown)

• Chijiwa Nobuhiro, Cabatit Kyle Didacus V., Syll Amadou S.. Numerical Simulation of Residual Structural Performance of a PC Girder with Ruptured Prestressed Tendon Using Finite Element Analysis, 5th International Symposium on Concrete and Structures for the Next Generation (CSN2025), Mar. 2025.  Official location  

Other Publication

• Nobuhiro Chijiwa, Ryuta Imai, Manabu Fujii, Ken-ichi Fujisawa, 倉田知一. 防食被覆層の施工がコンクリート硫酸腐食抑制効果に与える影響, 防水ジャーナル, 株式会社 新樹社, Vol. 56, No. 8, pp. 50-55, Aug. 2025.
• Nobuhiro Chijiwa, Natsuki Ohashi, Michinori Yoshino, Shinpei Kikuchi. PC跨道橋で生じている課題たわみ発生機構の解明, プレストレストコンクリート, 公益社団法人プレストレストコンクリート工学会, Vol. 67, No. 3, May 2025.

Patent

• Nobuhiro Chijiwa, Kentaro Saito, Kazuhide Nakayama, Ryo Sakamoto, Che Chia Kang. 固化物、組成物、組成物の製造方法、及び固化物の製造方法. Patent. Published. 国立大学法人東京科学大学. 2023/09/29. 特願2023-169183. 2025/04/10. 特開2025-059229. 2025.

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