Japan Society of Civil Engineers 2026 Annual Meeting
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Session Details

Section I

最適設計／構造計画

Wed. Sep 2, 2026 11:00 AM - 12:20 PM JST
Wed. Sep 2, 2026 2:00 AM - 3:20 AM UTC
Room 2402, 4th Floor, Building 2 (Hokkai School of Commerce)
11:00 AM - 11:10 AM JST(2:00 AM - 2:10 AM UTC)

[I-55]Seismic retrofit design for a group of existing pile-supported viaducts located on steep coastal slopes

*Taiyou Izumikawa1, ryouichi gotou1, katsuyuki ooya1 (1. pacificonsultants)
11:10 AM - 11:20 AM JST(2:10 AM - 2:20 AM UTC)

[I-56]Optimization study of RC viaduct in linear standard structures

*Noboru Ishikura1, Takemi Arai1, Hiroki Hayashida1, Ryo Sato1 (1. JR Central Consultants Company)
11:20 AM - 11:30 AM JST(2:20 AM - 2:30 AM UTC)

[I-57]A Study on the Rationalisation of Secondary Member layout in Steel Four-Main-I-Girder Bridges Using Topology Optimization

*Kana Akahoshi1, Yasuo Kitane1, Risa Matsumoto1, Akihiko Sato1 (1. Kyoto University)
11:30 AM - 11:40 AM JST(2:30 AM - 2:40 AM UTC)

[I-58]Development of Piping Pit Covers Utilizing Ductile Cast Iron with Superior Corrosion Resistance and Mechanical Strength

*Taishi Ogawa1, Kota Uchio1, Toru Hashimoto1, Nobuhiro Kai1, Hiroki Muraoka2 (1. HINODE Holdings Co., Ltd., 2. Hinodesuidoukiki Co., Ltd.)
11:40 AM - 11:50 AM JST(2:40 AM - 2:50 AM UTC)

[I-59]Design of Support Structures for Large Onshore Wind Turbines with High Hub Height (Hh = 125 m) under Transportation Constraints

*Ralph Khoury1, Masayoshi Abe1, Takahiro Sayama2, Mahiro Onuki2 (1. Eurus Energy Holdings Corporation, 2. Shimizu Corporation)
11:50 AM - 12:00 PM JST(2:50 AM - 3:00 AM UTC)

[I-60]Design Considerations for Prestressed Concrete Simply Supported Box-Girder Bridges with Plan Curvature

*Naoya Fujiwara1, hideaki takaku1, fumiaki kurita1, kohei watanabe2, tatsuya kai2 (1. East Nippon Expressway Company Limited, 2. Kawada Construction Company Limited)
12:00 PM - 12:10 PM JST(3:00 AM - 3:10 AM UTC)

[I-61]Seismic Design of a Common Foundation for a Two-Column Pier Supporting Different Superstructures

*Yasuo Hayakawa1, Kazuishi Sakamoto2, Koji Itou2, Junichi Okunishi2 (1. Central Japan Railway Company, 2. JR Central Consultants Company)
12:10 PM - 12:20 PM JST(3:10 AM - 3:20 AM UTC)

[I-62]Seismic Reinforcement Design for a Bridge with Rocker Piers and Concentrated Inertial Forces at a Fixed Bearing

*Shunya Sumi1, Yushi Kita1 (1. Central Nippon Expressway Company Limited)
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