Japan Society of Civil Engineers 2025 Annual Meeting
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Session Details

Oral PresentationSection I

橋梁一般（設計）(3)

Thu. Sep 11, 2025 4:20 PM - 5:40 PM JST
Thu. Sep 11, 2025 7:20 AM - 8:40 AM UTC
B201
4:20 PM - 4:30 PM JST(7:20 AM - 7:30 AM UTC)

[I-152]A Proposal of Design Method for High Strength Bolted Frictional Joints in Steel Girders Considering Cooperative Behavior of Web and Flange

*Masaki Fujiwara1, Yasumoto Aoki1, Yu Nakamoto2, Shinsuke Nakamoto2, Takashi Yamaguchi3, Ryo Sakura4 (1. Hanshin Expressway Co., Ltd., 2. Hanshin Expressway Research Institute for Advanced Technology, 3. Osaka Metropolitan University, 4. HOKKAIDO UNIVERSITY)
4:30 PM - 4:40 PM JST(7:30 AM - 7:40 AM UTC)

[I-153]Proposal of Design Method for Frictional Joints Considering Deformed Bearing Limit States after Slip

*Yu Nakamoto1, Shinsuke Akamatsu1, Masaki Fujiwara2, Yasumoto Aoki2, Takashi Yamaguchi3, Ryo Sakura4 (1. Hanshin Expressway Research Institute for Advanced Technology, 2. Hanshin Expressway Co.Ltd., 3. Osaka Metropolitan University, 4. Hokkaido University)
4:40 PM - 4:50 PM JST(7:40 AM - 7:50 AM UTC)

[I-154]Analytical study on replacing steel I-girder bottom flange connecting plates with web-mounted bypass members

*Kensuke Toda1, TAKASHI YAMAGUCHI2 (1. MM BRIDGE CO., LTD., 2. Osaka Metropolitan University)
4:50 PM - 5:00 PM JST(7:50 AM - 8:00 AM UTC)

[I-155]Influence of axial stiffness of bypass members on load distribution under replacing panel points in steel truss bridges

*Ryo Sakura1, Natsuki Yoshioka2, Takashi Yamaguchi3 (1. Hokkaido University, 2. Komaihaltec Inc., 3. Osaka Metropolitan University)
5:00 PM - 5:10 PM JST(8:00 AM - 8:10 AM UTC)

[I-156]Study on the reinforcement method for the anchorage of precast parapets applied to steel bridge decks

*Nobunao Tanaka1, Takuji Kumano2, Kenji Yoshida3, Yu Lang1, Ken Adachi4, Takashi Yamaguchi5 (1. MIYAJI ENGINEERING CO., LTD. , 2. JFE Engineering Corporation, 3. KAWADA INDUSTRIES, Inc., 4. West Nippon Expressway Company Limited, 5. Osaka Metropolitan University)
5:10 PM - 5:20 PM JST(8:10 AM - 8:20 AM UTC)

[I-157]Seismic Retrofit Study of Existing Steel Upper-Deck Type Truss Bridge with Snow Shelter

*Hiromichi Ishiguro1, Ryouei Kawana1, Ikuo Akira2, Fukutarou Umebayashi2, Sawai Masaya2, yasunori Aoki2 (1. East Nippon Expressway Company Limited, 2. Oriental Consultants Co., LTD.)
5:20 PM - 5:30 PM JST(8:20 AM - 8:30 AM UTC)

[I-158]The cable strength assessment of a 52-year-old basket-handle Nielsen-Lohse bridge

*Yuta Nagato1, Shimizu Hideki1, Ryohei Ono1, Takanari Shimizu2 (1. Dia Nippon Engineering Consultants Co., Ltd., 2. Civil engineering department, Toyama prefecture)
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