Japan Society of Civil Engineers 2025 Annual Meeting
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Session Details

Oral PresentationSection V

耐震補強(3)／耐震(1)

Thu. Sep 11, 2025 1:30 PM - 2:50 PM JST
Thu. Sep 11, 2025 4:30 AM - 5:50 AM UTC
C403
1:30 PM - 1:40 PM JST(4:30 AM - 4:40 AM UTC)

[V-261]Case Study on Avoiding Reinforcing of the Specific Pier by Using High Transverse Stiffness in the Wide Bridge

*Arata Hiradoi1, Daisuke Yamaoka1, Masaki Otsuka1 (1. Sansui Consultant Corporation)
1:40 PM - 1:50 PM JST(4:40 AM - 4:50 AM UTC)

[V-262]Fundamental study on the load carrying capacity of single post-installed anchor with new and aged boundary surfaces using pull out load tests

*Michihiro Koyama1, Yasutaka Yamashita1, Genta Goto1, Kazuhisa Shidara2, Koji Miura2 (1. Nippon Expressway Research Institute Company Limited, 2. Japan construction method & machinery research institute)
1:50 PM - 2:00 PM JST(4:50 AM - 5:00 AM UTC)

[V-263]Fundamental study on the load carrying capacity of post-installed anchors with new and aged boundary surfaces using pull.out load tests and analytical verification.

*Toshihiko Okada1, Takashi Hanajima1, Yasutaka Yamashita2, Genta Goto2, Michihiro Koyama2 (1. Japan Bridge & Structure Institute,Inc., 2. NEXCO Research Institute Japan)
2:00 PM - 2:10 PM JST(5:00 AM - 5:10 AM UTC)

[V-264]Experimental study on the method for confirming the degree of damage of a utility pole reinforced with high-ductility reinforcement

*Michihiro Kunii1, Hirotaka Suzuki1 (1. East Japan Railway Company)
2:10 PM - 2:20 PM JST(5:10 AM - 5:20 AM UTC)

[V-265]Seismic Retrofit Design of Unreinforced or Masonry Piers Based on Analytical Study Considering Beam Strutting

*Takahiro Maruyama1, Hirotaka Suzuki1, Satoshi Takisawa1, Toru Gondo1 (1. EAST JAPAN RAILWAY COMPANY)
2:20 PM - 2:30 PM JST(5:20 AM - 5:30 AM UTC)

[V-266]3D FEM Analysis of the Top of Caisson Foundation for Seismic Assessment of Existing Railway Bridges

*Yugo Nishio1, Yasutaka Imanaka1, Yuya Kumagai2, Keisuke Koizumi2, Hiroyuki Naito2 (1. OBAYASHI CORPORATION, 2. Keio Corporation)
2:30 PM - 2:40 PM JST(5:30 AM - 5:40 AM UTC)

[V-267]Evaluation of Seismic Performance of RC Column with Plain Round Bar by 3-D Nonlinear Finite Element Analysis

*Kosuke Kuwakino1, Chikako Fujiyama2, Koichi Maekawa2 (1. JR East Consultants Company, 2. Yokohama National University)
2:40 PM - 2:50 PM JST(5:40 AM - 5:50 AM UTC)

[V-268]The three-dimensional damage analysis of underground circular shafts embedded in bedrock

*Momoko Saito1, Hideki Nagai1, Shingo Horimi2, Kazuhide Yamaguchi3 (1. Obayashi Corporation, 2. Tohoku Electric Power Co., Inc., 3. Central Research Institute of Electric Power Industry)
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