Japan Society of Civil Engineers 2025 Annual Meeting
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Session Details

Oral PresentationSection V

補修・補強（材料）2

Thu. Sep 11, 2025 11:10 AM - 12:30 PM JST
Thu. Sep 11, 2025 2:10 AM - 3:30 AM UTC
D301
11:10 AM - 11:20 AM JST(2:10 AM - 2:20 AM UTC)

[V-78]Experimental study on the effect of steel fiber content and specimen size on tensile properties of UHPFRC

*Shunji Aoki1, Takayoshi TOMII1, Kazunari SASAKI1, Yutaka FUJINO2, Koji TAMATAKI2 (1. Obayashi Corporation, 2. Mitsubishi UBE Cement Corporation)
11:20 AM - 11:30 AM JST(2:20 AM - 2:30 AM UTC)

[V-79]Study on tensile properties of ultra-fast hardening UHPFRC at early ages for bridge deck overlays

*Takayoshi Tomii1, Shunji Aoki1, Kazunari Sasaki1, Koji Tamataki2, Yutaka Fujino2 (1. obayashi corporation, 2. UBEmitsubishiCement Corp.)
11:30 AM - 11:40 AM JST(2:30 AM - 2:40 AM UTC)

[V-80]Effect of surface treatment and adhesive type on the bond behavior between BFRP grid and concrete

*Iwashita Kentaro1, Yoshida Nao1, Machida Kyouko1, Hibino Ayaka1 (1. Meijo University)
11:40 AM - 11:50 AM JST(2:40 AM - 2:50 AM UTC)

[V-81]Investigation of reinforcement methods using FRP sheet bonding for road bridges.

*Sanshiro Kihara1, Eiji Yoshida1, Shoma Yamashita1, Eisuke Nakamura1, Takahiro Matsui2, Syunta Sakurai2, Makoto Okubo2, Kenichi Inoue2 (1. Center for Advanced Engineering Structural Assessment and Research (CAESAR) Public Works Research Institute, 2. Japan Association for Fiber Repair and Strengthening)
11:50 AM - 12:00 PM JST(2:50 AM - 3:00 AM UTC)

[V-82]Development of patching repair materials for simple and easy method

*Masahiro Tase1, Tatsuya Fukada1, Daisuke Yamazaki1 (1. SHO-BOND CORPORATION)
12:00 PM - 12:10 PM JST(3:00 AM - 3:10 AM UTC)

[V-83]Study on evaluation method of perforated steel plate for reducing cracks in reinforced concrete

*Takumi Harada1, Hideki Oohashi1, Ryo Honda1, Tanaka Tooru1 (1. TODA CORPORATION)
12:10 PM - 12:20 PM JST(3:10 AM - 3:20 AM UTC)

[V-84]Development of injection materials and verification of workability for 1-day low-pressure crack injection work (part 2)

*Takeru Suzuki1, Katsuya Matsubara1, Hiroshi Omori1, Haruki Oba2, Subaru Matsuo2, Syuji Ichimura2, Atsuhiro Yoshikawa3 (1. Central Japan Railway Company, 2. Nichiban Co.,Ltd., 3. ALPHAKOGYO K.K.)
12:20 PM - 12:30 PM JST(3:20 AM - 3:30 AM UTC)

[V-85]Study on repair of drilled holes in PC bridges

*Kiyohisa Ono1, Yuga Ono1, Kensaku Ishibashi2 (1. Central Nippon Expressway Company Limited, 2. Central-NEXCO Technical Marketing Company Limited)
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