Japan Society of Civil Engineers 2026 Annual Meeting
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Session Details

Section I

維持管理(3)

Thu. Sep 3, 2026 9:20 AM - 10:40 AM JST
Thu. Sep 3, 2026 12:20 AM - 1:40 AM UTC
Room 2305, 3rd Floor, Building 2 (Hokkai School of Commerce)
9:20 AM - 9:30 AM JST(12:20 AM - 12:30 AM UTC)

[I-109]Properties of Solutions Obtained by Analyzing the Acceleration Response of Road Signs Using the ERA Method

*Tomoki Shoko1, Masayuki Saeki1, Shingo Matsui2, Akihiko Narita3 (1. Tokyo University of Science, 2. SEIWA Electric MFG Co., Ltd., 3. NEXCO-EAST Engineering Co., Ltd.)
9:30 AM - 9:40 AM JST(12:30 AM - 12:40 AM UTC)

[I-110]A Study on the Rotational Rigidity of Road Sign Bases Considering Bending Rigidity

*Ayano Ishibashi1, Masayuki Saeki1, Shogo Morichika1, Shingo Matsui2, Akihiko Narita3 (1. Tokyo University of Science, 2. SEIWA Electric MFG Co., Ltd., 3. NEXCO-EAST Engineering Co., Ltd.)
9:40 AM - 9:50 AM JST(12:40 AM - 12:50 AM UTC)

[I-111]Finite Element Modeling and Eigenvalue Analysis of Cantilever Road Sign Structures

*Naoki Yoshida1, Takumi Nagai1, Shougo Morichika1, Masayuki Saeki1, Shingo Matui2, Akihiko Narita3 (1. Tokyo University of Science, 2. SEIWA ELECTRIC MFG. CO.,LTD., 3. NEXCO-East Engineering)
9:50 AM - 10:00 AM JST(12:50 AM - 1:00 AM UTC)

[I-112]Study on a rational evaluation method for load-carrying capacity of existing structures(Part 1: Study on a method for evaluating load-carrying capacity of truss bridge)

*Toru Kasamatsu1, Shinnosuke Nakaura1, Kazuyuki Ono1, Takamasa Fujimoto2, Satsuki Tagashira2, Ryouhei Moriguchi2 (1. Eight-Japan Engineering Consultants Inc., 2. Nippon Expressway Research Institute Co., Ltd.)
10:00 AM - 10:10 AM JST(1:00 AM - 1:10 AM UTC)

[I-113]Study on Rational Evaluation Method for Load-Carrying Capacity of Existing Structures
(Part 2: Examination of Evaluation Method for PCT Girder Bridges)

*Daisuke Yamamoto1, Fujiwara Hirokazu1, Ono Kazuyuki1, Moriguchi Ryouhei2, Fujimoto Takamasa2, Tagashira Satsuki2 (1. Eight-Japan Engineering Consultants Inc., 2. Nippon Expressway Research Institute Company Limited)
10:10 AM - 10:20 AM JST(1:10 AM - 1:20 AM UTC)

[I-114]Study on a rational evaluation method for load-carrying capacity of existing structures
(Part 3: An Investigation of Load-Bearing Performance Considering Variability in Material Strength)

*Shinya Kimura1, Kazuyuki Ono1, Kazuki Fujita1, Tagashira Satsuki2, Takamasa Fujimoto2, Moriguchi Ryouhei2 (1. Eight-Japan Engineering Consultants Inc., 2. NEXCO IR Inc.)
10:20 AM - 10:30 AM JST(1:20 AM - 1:30 AM UTC)

[I-115]Experimental Study on Ozone Crack Initiation and Propagation in Rubber Bearings, Part 1: Specimen Design and Accelerated Ozone Test Results

*Shori Shimizu1, Tomohisa Iwamoto1, Kazutoshi Nagata2, Yuina Ota2, Kotaro Zushi3, Risa Matsumoto4, Kouta Watanabe5, Kouta Izuhara5 (1. Sumitomo Riko Co., Ltd., 2. Graduate School of Engineering, Nagoya Institute of Technology, 3. Nagoya Institute of Technology, 4. Graduate School of Engineering, Kyoto University, 5. Nagoya Expressway Public Corporation)
10:30 AM - 10:40 AM JST(1:30 AM - 1:40 AM UTC)

[I-116]An Experimental Study on the Occurrence and Progression of Ozone Cracks in Rubber Bearings
Part 2: Analysis of Ozone Crack Occurrence and Progression Using Image Processing

*Kotaro Zushi1, Kazutoshi Nagata2, Yuina Ota2, Risa Matsumoto3, Kota Watanabe4, Kota Izuhara4, Tomohisa Iwamoto5, Shori Shimizu5 (1. Nagoya Institute of Technology, 2. Graduate School of Nagoya Institute of Technology, 3. Graduate School of Kyoto University, 4. Nagoya Expressway Public Corporation, 5. Sumitomo Riko Company Limited)
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