Japan Society of Civil Engineers 2025 Annual Meeting
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Session Details

Oral PresentationSection VI

補修・補強(3)

Thu. Sep 11, 2025 1:30 PM - 2:50 PM JST
Thu. Sep 11, 2025 4:30 AM - 5:50 AM UTC
221
1:30 PM - 1:40 PM JST(4:30 AM - 4:40 AM UTC)

[VI-466]behavior of reapairing beam of RC viaduct under passing train loads

*Keita Okamoto Okamoto1, Kazuhiro Sakaoka1, Hiroshi Kurokawa1, Kazutaka Kamata1, Munemasa Tokunaga2, Yuki Nakata2 (1. West Japan Railway Company, 2. Railway Technical Research Institute)
1:40 PM - 1:50 PM JST(4:40 AM - 4:50 AM UTC)

[VI-467]Application of the IPH method to infill floor slabs

*Manami Hara1, Teruyoshi Maruyama1 (1. Kawada Construction Co.,Ltd.)
1:50 PM - 2:00 PM JST(4:50 AM - 5:00 AM UTC)

[VI-468]Construction results using circulating blasting in bridge repair work

*Yuki Sueyoshi1, IKEDA MASAHITO2, OOKI TOMOYA1 (1. MAEDA CORPORATION, 2. FUKUOKA KITAKYUSHU EXPRESSWAY PUBLIC CORPORATION)
2:00 PM - 2:10 PM JST(5:00 AM - 5:10 AM UTC)

[VI-469]Maintenance for fatigue of main girder lower flange and connecting flange welds with poor penetration

*Takashi Mukai1, Yasushi Sakamoto1 (1. Central Japan Railway Company)
2:10 PM - 2:20 PM JST(5:10 AM - 5:20 AM UTC)

[VI-470]Investigation of Deterioration in PC Box Girder Bridges Crossing Highways

*Yudai Nagai1, Koya Ikeda2 (1. East Nippon Expressway Company Limited, 2. NEXCO Engineering Tohoku, Inc.)
2:20 PM - 2:30 PM JST(5:20 AM - 5:30 AM UTC)

[VI-471]Repainting project of the long bridge located along the Tokyo Bay waterfront.

*Kobayashi Ryoji1, Yoshinobu Harasawa1 (1. East Japan Railway Company)
2:30 PM - 2:40 PM JST(5:30 AM - 5:40 AM UTC)

[VI-472]Early restoration work on a railway river bridge that collapsed due to scouring.

*Shinya Miyazaki1, Daichi Fukui1 (1. East Japan Railway Company Sendai Civil Engineering and Equipment Technology Center)
2:40 PM - 2:50 PM JST(5:40 AM - 5:50 AM UTC)

[VI-473]Investigation into Deterioration and Repair Cases of End Region in PC Bridges

*Yusaku Nanao1, Jinsei Kuwano1, Hiroshi Nakamura1, Eisuke Nakamura1 (1. Public Works Research Institute)
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