Japan Society of Civil Engineers 2026 Annual Meeting
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Session Details

Section III

洗堀・浸食・掘削②

Thu. Sep 3, 2026 1:00 PM - 2:20 PM JST
Thu. Sep 3, 2026 4:00 AM - 5:20 AM UTC
Room 301, 3rd Floor, Building 1 (Hokkai School of Commerce)
1:00 PM - 1:10 PM JST(4:00 AM - 4:10 AM UTC)

[III-127]Long-Term Operational Test of a Scour Detection System for Foot Protection Works Around Actual Bridge Piers

*Aki Suzuki1, Kosaku INOUE1, Satoshi WATANABE1 (1. Railway Technical Research Institute)
1:10 PM - 1:20 PM JST(4:10 AM - 4:20 AM UTC)

[III-128]Verification of the Applicability of a Method for Estimating Natural Frequencies of Large Truss Bridge Piers Based on Continuous Vibration

*Keigo Kohara1, Toshiyuki Nagahara1, Kosaku Inoue1, Kosuke Nakamura2 (1. Railway Technical Research Institute, 2. Central Japan Railway Company)
1:20 PM - 1:30 PM JST(4:20 AM - 4:30 AM UTC)

[III-129]Application of Ambient Vibration Monitoring in Evaluating the Structural Health of River Bridge Piers

*Tadayuki Nakamura1, Kosuke Nakamura1, Keigo Kohara2, Toshiyuki Nagahara2, Kosaku Inoue2 (1. Central Japan Railway Company, 2. Railway Technical Research Institute)
1:30 PM - 1:40 PM JST(4:30 AM - 4:40 AM UTC)

[III-130]A study to estimate the natural frequency of bridge piers focusing on lissajous characteristics in the frequency bands of microtremors

*Shoma Fujiwara1, Keigo Kohara1, Masanori Tsuyama1 (1. Railway Technical Research Institute)
1:40 PM - 1:50 PM JST(4:40 AM - 4:50 AM UTC)

[III-131]On the Practical Operation of Scour Monitoring for River Bridges Using Continuous Microvibration

*Jun Mikami1, Kenji Henmi1, Mika Nakahara1, Jyou Tagami1, Kai Konishi2 (1. JR East Consultants Company, 2. East Japan Railway Company)
1:50 PM - 2:00 PM JST(4:50 AM - 5:00 AM UTC)

[III-132]Study on the Damage Mechanism and Restoration Measures of the Awanogawa Bridge Damaged by the July 2023 Heavy Rain

*Mitsuaki Yamato1, Mototsugu Nishida1, Yuichiro Niwa1, Minoru Fukyo2, Tetsuya Fujita3, Masashi Mizuta3, Kouichi Umano3 (1. West Japan Railway Company, 2. JR West Japan Consultants Company, 3. Kosei Corporation)
2:00 PM - 2:10 PM JST(5:00 AM - 5:10 AM UTC)

[III-133]Evaluation of Scour Occurrence Risk in Steep-Gradient Rivers with Minimal Water Level Fluctuations

*Yuki Arimitsu1, Satoshi Ishikawa1, Motohiro Ohki1 (1. Central Japan Railway Company)
2:10 PM - 2:20 PM JST(5:10 AM - 5:20 AM UTC)

[III-134]Identification of Steep-Gradient Rivers with Small Water Level Fluctuations and Establishment of Inspection Thresholds Using the Basin Rainfall Index

*Satoshi Ishikawa1, Yuki Arimitsu1, Yuki Iida1, Motohiro Ohki1 (1. Central Japan Railway Company)
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