Japan Society of Civil Engineers 2025 Annual Meeting
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Session Details

Oral PresentationSection V

鋼材腐食2・防食

Thu. Sep 11, 2025 3:10 PM - 4:30 PM JST
Thu. Sep 11, 2025 6:10 AM - 7:30 AM UTC
C311
3:10 PM - 3:20 PM JST(6:10 AM - 6:20 AM UTC)

[V-55]Improving the Quality of Grade 2 Surface Preparation in Local Repairs of Steel Bridges

*Atsushi Yonezawa1, Takenobu Kitamura1 (1. Honshi-Expressway Bridge Engineering Co.,Ltd.)
3:20 PM - 3:30 PM JST(6:20 AM - 6:30 AM UTC)

[V-56]Exposure Test Results of Rusty Steel Plates with Residual Salt Using Low-Temperature Low-Pressure Metal Spraying Technology

*Kenta Nitta1, Shuichi Ono1, Tetsuhiro Shimozato2 (1. Japan Construction Method and Machinery Research Institute, 2. University of the Ryukyus)
3:30 PM - 3:40 PM JST(6:30 AM - 6:40 AM UTC)

[V-57]20-year exposure test results for long-life painted steel sheet (Eco-view)

*Fumio Yuse1, Takuto Matsubayashi1, Masahiro Matshushita1, Shinji Sakashita1 (1. KOBE STEEL, LTD)
3:40 PM - 3:50 PM JST(6:40 AM - 6:50 AM UTC)

[V-58]Report after 40 years on long-term exposure test of steel pipe piles cover with polyethylene coating

*Shin Oikawa1, Toru Yamaji2, Kentaro Koike2, Hiroaki Nakayama1, Yoshio Shiozaki1, Kazunori Tokida1, Kazuo Nishibe1, Ryo Morimoto1 (1. Japanese Technical Association for Steel Pipe Piles and Sheet Piles, 2. Port and Airport Research Institute)
3:50 PM - 4:00 PM JST(6:50 AM - 7:00 AM UTC)

[V-59]The Effect of Cathodic Protection on Steel Pipe Piles of LNG storage tank After 47 Years of Operation

*Marina Tsuji1, Go Ishida1, Tomihiro Akutsu1, Shingo Nishimoto, Hiroki Yoshida (1. Obayashi Corporation)
4:00 PM - 4:10 PM JST(7:00 AM - 7:10 AM UTC)

[V-60]Effective range of corrosion protection in titanium rod internally inserted method

*Muneyuki Watanabe1, Junichi Katayama1, Katsumi Hata1 (1. TokoGeotech)
4:10 PM - 4:20 PM JST(7:10 AM - 7:20 AM UTC)

[V-61]Report on the results of exposure tests focusing on the arrangement of high-strength bolts in weathering steel bridge joints (part 1)-Considerations regarding the state and thickness of rust-

*Tomoki Takeda1, Yasushi Ohtsubo2, Katsuya Suzuki3 (1. KAWADA INDUSTRIES,INC, 2. FaB-Tec Japan Corporation, 3. Yokogawa bridge corp)
4:20 PM - 4:30 PM JST(7:20 AM - 7:30 AM UTC)

[V-62]Report on the results of exposure tests focusing on the arrangement of high-strength bolts in weathering steel bridge joints (part 2)
-Considerations regarding the unevenness of rust and adhered rust-

*Takaaki Toshimitsu1, Katsuya Suzuki1, Shinji Taneoka1 (1. Japan Bridge Association Inc.)
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