Japan Society of Civil Engineers 2025 Annual Meeting
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Session Details

Oral PresentationSection V

耐震補強(2)

Thu. Sep 11, 2025 11:10 AM - 12:30 PM JST
Thu. Sep 11, 2025 2:10 AM - 3:30 AM UTC
C403
11:10 AM - 11:20 AM JST(2:10 AM - 2:20 AM UTC)

[V-253]Verification of Strengthening Effect by Post-Construction Shear Reinforcement Method on Underwater RC Members Damaged by Shear Failure

*Keisuke Kawamura1, Hiroshi Murata1, Akihito Hata1, Satoshi Komatsu2, Fahad Muhammad2, Kazuhide Yamaguchi3 (1. Taisei Corporation, 2. Yokohama National University, 3. Central Research Institute of Electric Power Industry)
11:20 AM - 11:30 AM JST(2:20 AM - 2:30 AM UTC)

[V-254]A consideration on seismic reinforcement of RC rigid frame bridge abutment with wall structure between columns

*Hiroshi Mizusawa1, Hirotaka Suzuki1 (1. east japan railway company)
11:30 AM - 11:40 AM JST(2:30 AM - 2:40 AM UTC)

[V-255]Analytical Study on the Seismic Reinforcement Effect of Existing Bridge Footings Using Reinforcing Steel Plates

*Renri Fukasawa1, Toshiki Takahashi1, Shunsuke Nishimura1, Shu Saito1 (1. OBAYASHI CORPORATION)
11:40 AM - 11:50 AM JST(2:40 AM - 2:50 AM UTC)

[V-256]Dynamic Analysis Method for an Existing Steel Upper-Deck Type Truss Bridge with Mixed Ground Type

*Makoto Denda1, Satoshi Himoto1, Ikuo Akira2, Fukutarou Umebayashi2, Shunsuke Hayashi2, Masaya Sawai2 (1. East Nippon Expressway Company Limited, 2. Oriental Consultants Co., LTD.)
11:50 AM - 12:00 PM JST(2:50 AM - 3:00 AM UTC)

[V-257]Seismic retrofit design of the Tateishigawa Bridge, a RC fixed arch bridge

*Yutaka Nishino1, Taku Hanai1, Yoshiya Sakamoto1 (1. Honshu-Shikoku Bridge Expressway Co.,Ltd.)
12:00 PM - 12:10 PM JST(3:00 AM - 3:10 AM UTC)

[V-258]Seismic Reinforcement Design Using U-Shaped Retaining Wall for Existing Unreinforced Piers

*Ryoga Ienaga1, Makoto Kishimura1, Toru Matsuoka2, Takeshi Yamashita2 (1. West Japan Consultants Company, 2. West Japan Railway Company)
12:10 PM - 12:20 PM JST(3:10 AM - 3:20 AM UTC)

[V-259]Gradual seismic reinforcement plan for a PC rigid frame bridge with a four-pronged pier and cantilever section

*Yusuke Kobari1, Nobuo Araki1, Ryo Watanabe1, Kineo Okado1, Koji Kiuchi1, Masaki Takahashi2, Mitsunobu Takahashi2 (1. Yachiyo Engineering Co., Ltd, 2. Arakawa-Joryu River Office, Kanto Regional Development Bureau, Ministry of Land,Infrastructure,Transport and Tourism)
12:20 PM - 12:30 PM JST(3:20 AM - 3:30 AM UTC)

[V-260]Applicability of Cross-Section Analysis in Strengthened Spillway Gate Piers and Effect of Post Tensioning Anchors on the Natural Frequency

*Keita Sugimoto1 (1. Central Research Institute of Electric Power Industry)
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