Japan Society of Civil Engineers 2025 Annual Meeting
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Session Details

Oral PresentationSection I

維持管理(4)

Thu. Sep 11, 2025 4:20 PM - 5:40 PM JST
Thu. Sep 11, 2025 7:20 AM - 8:40 AM UTC
E107
4:20 PM - 4:30 PM JST(7:20 AM - 7:30 AM UTC)

[I-124]Basic study of a simple method for evaluating the amount of salt attached after surface preparation

*Masazumi Miura1, Kazutoshi Nakashima1, Itaru Nishizaki1 (1. Public Works Research Center)
4:30 PM - 4:40 PM JST(7:30 AM - 7:40 AM UTC)

[I-125]Investigation of suspension bridge hanger ropes using the total magnetic flux method

*Katsuyuki Uehara1, Yoshio Akashi1, Sadanori Shiiki2, Takashi Yajima2 (1. Honshi-Expressway Bridge Engineering, 2. TOKYO ROPE MFG)
4:40 PM - 4:50 PM JST(7:40 AM - 7:50 AM UTC)

[I-126]Study on a Simple Method for Investigating Scour of Bridge Piers

*Kazunori Tanaka1, Kiyoshi Saito1, Hideaki Nishida1 (1. Center for Advanced Engineering Structural Assessment and Research, Public Works Research Institute)
4:50 PM - 5:00 PM JST(7:50 AM - 8:00 AM UTC)

[I-127]Study on the applicability of Load Rating in the maintenance of highway bridges

*Tomoaki Nishitani1 (1. West Nippon Expressway Company Limited)
5:00 PM - 5:10 PM JST(8:00 AM - 8:10 AM UTC)

[I-128]Anticorrosion Effect by Increasing Work Function of Steel Using Laser Surface Preparation

*Kohei Kinochi1, Sohan Kawamura1, Takashi Sakamoto1, Shoji Mochizuki1 (1. Nippon Telegraph and Telephone)
5:10 PM - 5:20 PM JST(8:10 AM - 8:20 AM UTC)

[I-129]Rust flake size,corrosion loss and rust composition on weathering steel bridges

*Isamu Kano1, Chihiro Morita3, Hiromichi Yasunami2, Kazutoshi Nakashima2 (1. KANOU Bridge Engineering & Consulting, 2. Public Works Research Center, 3. Miyazaki University)
5:20 PM - 5:30 PM JST(8:20 AM - 8:30 AM UTC)

[I-130]Evaluation of Chloride Ions After Laser Irradiation and Paint Adhesion After Corrosion Acceleration

*Takashi Sakamoto1, Housei Akazawa1, Sohan Kawamura1, Kohei Kinouchi1, Shoji Mochizuki1 (1. Nippon Telegraph and Telephone Corporation)
5:30 PM - 5:40 PM JST(8:30 AM - 8:40 AM UTC)

[I-131]Changes in Frequency of PC Beam Caused by Strand Fracture in a PC tendon

*Yoshinao Goi1, Akihiko Sato2, Kimihiko Amaya3, Chul-Woo Kim2, Kazuo Takase2, Kunitomo Sugiura2, Nobuhito Okubo4, Kyuichi Maruyama5, Shigeyuki Tanaka6 (1. Gifu University, 2. Kyoto University, 3. NIPPON P.S CO.,LTD., 4. TAKADA KIKO CO.,LTD., 5. Nagaoka University of Technology, 6. Ministry of Land, Infrastructure, Transport and Tourism Kinki Regional Development Bureau)
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