Japan Society of Civil Engineers 2025 Annual Meeting
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Session Details

Oral PresentationSection V

補修・補強（構造）

Fri. Sep 12, 2025 4:20 PM - 5:40 PM JST
Fri. Sep 12, 2025 7:20 AM - 8:40 AM UTC
3F A4
Chair: Yasuhiro Mikata
4:30 PM - 4:40 PM JST(7:30 AM - 7:40 AM UTC)

[V-507]Numerical investigation of the restrained shrinkage behavior of a thin layer of a cementitious material placed on top of concrete bridge decks

*Tohru Makita1, Shinichiro Kumagai2, Youshi Kita1, Hideyuki Tatematsu2 (1. Central Nippon Expressway Company Limited, 2. Central-NEXCO Technical Marketing Company Limited)
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4:40 PM - 4:50 PM JST(7:40 AM - 7:50 AM UTC)

[V-508]Reinforcement Measures to Prevent the Detachment of Infill Slabs Between Existing PCT Girders Due to Suspected Prestress Reduction at the Main Girder Joints

*Atsushi Tanabe1, Ai takechi1, Hiroyuki Ichikawa1, Yoichi Hiramatsu1, Sayano Sugiyama2 (1. PS Construction, 2. Hanshin Expressway)
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4:50 PM - 5:00 PM JST(7:50 AM - 8:00 AM UTC)

[V-509]Damage Evaluation by Optical Fiber Sensors of Repaired and Reinforced Road Slabs

*Devin Gunawan1, Naoki Sogabe1, Fumiaki Nagashima1, Yuichi Yoshimura1 (1. Kajima Corporation)
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5:00 PM - 5:10 PM JST(8:00 AM - 8:10 AM UTC)

[V-510]Relationship between the pre-evacuation pressure and the estimated void volume in the ducts using the vacuum vessel method

*Kengo Hara1 (1. ORIENTAL SHIRAISHI Corporation)
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5:10 PM - 5:20 PM JST(8:10 AM - 8:20 AM UTC)

[V-511]Experimental Study on Deformation Performance of Guardrail Post Strengthened Using Reinforced Concrete Segments

*Kazuhiko Hayashi1, Ryo Sakai2, Hiroshi Fukuyama2, Masanobu Hidaka3, Shinobu Watai4 (1. National Institute of Technology, Kagawa College, 2. Kanken Co. Ltd., 3. Maruji Concrete Co. Ltd., 4. Maxstone Co. Ltd.)
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5:20 PM - 5:30 PM JST(8:20 AM - 8:30 AM UTC)

[V-512]Effect verification about PCT-girder bridge floor slabs of filling part reinforced with carbon fiber sheets

*Wataru Iwai1, Daisuke Inoue1, Sho Nakamizo2 (1. Metropolitan Expressway Company Limited, 2. Shutoko Technology Center)
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5:30 PM - 5:40 PM JST(8:30 AM - 8:40 AM UTC)

[V-513]Evaluation of Tension Properties of Concrete Elements Repaired with Crack Injection for Application to FEM

*Ryo Suzuki1, Yuki Nakata1, Ken Watanabe1 (1. Railway Technical Research Institute)
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