Japan Society of Civil Engineers 2025 Annual Meeting
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Session Details

Oral PresentationSection V

鋼材腐食1

Thu. Sep 11, 2025 1:30 PM - 2:50 PM JST
Thu. Sep 11, 2025 4:30 AM - 5:50 AM UTC
C311
1:30 PM - 1:40 PM JST(4:30 AM - 4:40 AM UTC)

[V-48]Hydrogen embrittlement confirmation test of reinforcing bars and prestressing steel used in large liquefied hydrogen storage tanks

*Keiichiro Maeda1, Toshiharu Kishi2, Ryuichiro Hirose2 (1. Obayashi Corporation, 2. Institute of Industrial Science, the University of Tokyo)
1:40 PM - 1:50 PM JST(4:40 AM - 4:50 AM UTC)

[V-49]Mechanical properties of PC steel bars after more than 50 years of construction -Renewal Project of Tedori River Bridge (Part 14)

*Takaaki Nakaminami1, Takaya Satoshi2, Komai Kento3, Takuya Makino1, Kawajiri Runa4 (1. Central Nippon Expressway Company Limited, 2. Kyoto University, 3. JFE Steel Corporation (former Kyoto University), 4. Central Nippon Highway Engineering Nagoya Company Limited)
1:50 PM - 2:00 PM JST(4:50 AM - 5:00 AM UTC)

[V-50]Study on Prevention of Corrosion by Highly Concentrated NaCl Solution

*Kenji Harada1 (1. Kyushu Institute of Technology)
2:00 PM - 2:10 PM JST(5:00 AM - 5:10 AM UTC)

[V-51]Water Content and Corrosion of Reinforcing Steel bar in Mortar Under Repeated Wetting and Drying

*Yuki Nakada1, Shuntaro Todoroki1, ryu hashimoto1, Hiroshi Ueda1, Shoji Fujimura2 (1. Railway Technical Research Institute, 2. West Japan Railway Company)
2:10 PM - 2:20 PM JST(5:10 AM - 5:20 AM UTC)

[V-52]Detailed investigation report on corroded steel upper slab in an in-situ cast-in-place culvert with water.

*Toshinori Kanemitsu1, Kenji Kubota1, Yohei Morifuji1 (1. Central Research Institute of Electric Power Industry)
2:20 PM - 2:30 PM JST(5:20 AM - 5:30 AM UTC)

[V-53]Analysis of the Impedance Spectrum of Steel Plates Embedded in Mortar

*Norihiro Fujimoto1, Ryuta Ishii1, Shingo Mineta1, Takashi Miwa1 (1. NTT Device Technology Labs.)
2:30 PM - 2:40 PM JST(5:30 AM - 5:40 AM UTC)

[V-54]Displacement Analysis of Corrosion Products of Steel Bars in Concrete under Applied Magnetic Field by Transmission X-ray

*Takashi Miwa1, Wataru Fujioka1, Kotaro Saito1, Ryouka Kubota1 (1. Gunma University)
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