Japan Society of Civil Engineers 2025 Annual Meeting
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Session Details

Oral PresentationSection I

疲労(1)

Thu. Sep 11, 2025 1:00 PM - 2:20 PM JST
Thu. Sep 11, 2025 4:00 AM - 5:20 AM UTC
C102
1:00 PM - 1:10 PM JST(4:00 AM - 4:10 AM UTC)

[I-31]Analytical study on improved structure of orthotropic steel deck with closed rib to improve fatigue durability and reduce steel weight

*Takayuki Kawakami1, Satoshi Maeda1, Hironori Ishii1, Koyo Takata2, Masaaki Isa2, Takeshi Hanji3, Kazuo Tateishi3 (1. Yokogawa Bridge Holdings Corp., 2. Hanshin Expressway Company Limited, 3. Nagoya University)
1:10 PM - 1:20 PM JST(4:10 AM - 4:20 AM UTC)

[I-32]Fatigue Tests on Closed cross-section rib for Improved Fatigue Durability and Reduced Steel Weight

*Koyo Takata1, Masaaki Isa1, Masatsugu Shinohara1, Satoshi Maeda2, Hironori Ishii2, Takayuki Kawakami2, Kazuo Tateishi3, Hanji Takeshi3 (1. Hanshin Expressway, 2. Yokogawa Bridge Holdings Corp., 3. Nagoya University)
1:20 PM - 1:30 PM JST(4:20 AM - 4:30 AM UTC)

[I-33]Fatigue Life Evaluation of Deck Propagation Crack in Orthotropic Steel Deck and Effect of Climate Change

*Satoshi Maeda1, Takayuki Kawakami1, Hironori Ishii1, Koyo Takata2, Masaaki isa2, Takeshi Hanji3, Masaru Shimizu3, Kazuo Tateishi3 (1. Yokogawa Bridge Holdings Corp., 2. Hanshin Expressway Co.,Ltd., 3. Nagoya University)
1:30 PM - 1:40 PM JST(4:30 AM - 4:40 AM UTC)

[I-34]Bending fatigue strength of channel-shaped joints and I-shaped joints

*Naohiro Soda1, Kazuo Tateishi2, Takeshi Hanji2, Masaru Shimizu2 (1. Central Research Institute of Electric Power Industry, 2. Nagoya University)
1:40 PM - 1:50 PM JST(4:40 AM - 4:50 AM UTC)

[I-35]Study on Method of Determining the Area of Sub Modeling in Local Stress Analysis for Fatigue Evaluation

*Masafumi Hattori1, Hirayama Shigeyuki2, Daisuke Uchida3, Takeshi Hanji4 (1. Central Nippon Expressway, 2. Shutoko Technology Center, 3. Hosei University, 4. Nagoya University)
1:50 PM - 2:00 PM JST(4:50 AM - 5:00 AM UTC)

[I-36]Simple Estimation Method of Stress Reduction by Cut-out Installed at Top of Vertical Stiffeners in Orthotropic Steel Deck

*Masaru Shimizu1, Kazuo Tateishi1, Takeshi Hanji1, Hiroki Suetsugu2 (1. Tokai National Higher Education and Research System Nagoya University, 2. Nagoya Expressway Public Corporation)
2:00 PM - 2:10 PM JST(5:00 AM - 5:10 AM UTC)

[I-37]Effect of Welding Method of Bottom Edge of End Stiffener on Residual Stress of Boxing Weldment

*Masaori Toyohara1, Yoshinori Yoshida1, Yusuke Kobayashi1, Takuya Sugiyama2, Daisuke Uchida3 (1. Railway Technical Reserch Institute, 2. HOSEI University Graduate Schools, 3. HOSEI University)
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