Japan Society of Civil Engineers 2026 Annual Meeting
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Session Details

Life-Extension Technologies for the Design and Maintenance of Road Bridge Decks, Waterproofing, and Pavements

道路橋床版・防水工・舗装の設計・維持管理に関する長寿命化技術(1)

Thu. Sep 3, 2026 4:50 PM - 6:10 PM JST
Thu. Sep 3, 2026 7:50 AM - 9:10 AM UTC
Room D30, 3rd Floor, Building 7 (Hokkai-Gakuen University)
4:50 PM - 5:00 PM JST(7:50 AM - 8:00 AM UTC)

[CS19-01]Experimental Study on the Fatigue Durability of Existing RC Slabs Retrofitted with UHPFRC Top Surface Thickening

*Ryohei Moriguchi1, Masahiro Tomiie1, Kenichi Miyanaga1, Masanori Matsumoto2, Shimpei Kikuchi2 (1. Nippon Expressway Research Institute Company Limited, 2. Japan Construction Method and Machinery Research Institute)
5:00 PM - 5:10 PM JST(8:00 AM - 8:10 AM UTC)

[CS19-02]A Study on the Fatigue Durability and Water Resistance of Thickened Joints on the Upper Surface of UHPFRC

*Masahiro Tomiie1, Kenishi Miyanaga1, Ryohei Moriguchi1, Shimpei Kikuchi2 (1. Nippon Expressway Research Institute Company Limited., 2. Japan Construction Method and Machinery Research Institute)
5:10 PM - 5:20 PM JST(8:10 AM - 8:20 AM UTC)

[CS19-03]Experimental study on the fatigue durability of RC slabs repaired on the top surface with UHPFRC.

*Hisashi Konno1, Hiroshi Mitamura1, Yuichi Gouda2, Shigeyuki Matsui3 (1. Sunbridge Co.,Ltd., 2. Miwa Tech Co.,Ltd., 3. Osaka University Professor Emeritus)
5:20 PM - 5:30 PM JST(8:20 AM - 8:30 AM UTC)

[CS19-04]Effect Verification Six Years After Deck Surface Repair Using UHPFRC for Life Extension of Bridge

*Shumpei Oneda1, Norimasa Higashida1, Hyogo Aida1, Yusuke Asai2, Hideto Kanda2, Hiroshi Mitamura3, Toru Furuichi3 (1. NEXCO-East Engineering Co. Ltd., 2. East Nippon Expressway Co. Ltd., 3. Disaster Science Research Institute, General Incorporated Foundation)
5:30 PM - 5:40 PM JST(8:30 AM - 8:40 AM UTC)

[CS19-05]Improving Construction Efficiency for UHPFRC Deck Recasting through Spray-Applied Epoxy Adhesive

*Hiroko Takamatsu1, Yuji Watanabe1, Takeshi Arakawa1, Makoto Muranaka2, Masayuki Tsujimoto2, Tomoki Chaya2 (1. KAJIMA CORPORATION, 2. Central Nippon Expressway Company Limited)
5:40 PM - 5:50 PM JST(8:40 AM - 8:50 AM UTC)

[CS19-06]Development of a Water Jet Device for Sawtooth-Shaped Vertical Construction Joints of VFC Used for Deck Slab Surface Thickening

*Yuji Nakamura1, Kota Jotatsu1, Takayoshi Tomii1, Shunji aoki1, Jun Homma2, Ryuichi Nakayama3 (1. OBAYASHI CORPORATION, 2. OBAYASHI ROAD CORPORATION, 3. Futami Co., Ltd.)
5:50 PM - 6:00 PM JST(8:50 AM - 9:00 AM UTC)

[CS19-07]Efficiency Study on Concrete Deck Surface Repair Using the Water Jet (WJ) Method in Maintenance Operations

*Gaku Saito1 (1. NagoyaExpressway)
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