Japan Society of Civil Engineers 2025 Annual Meeting
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Session Details

Oral PresentationSection II

流砂・土砂管理

Thu. Sep 11, 2025 1:00 PM - 2:20 PM JST
Thu. Sep 11, 2025 4:00 AM - 5:20 AM UTC
3F C1
1:00 PM - 1:10 PM JST(4:00 AM - 4:10 AM UTC)

[II-44]Effect of gravel content on flow characteristics of debris flow

*Masato Taue1, Kazunari Sako1, Yukio Nakata2 (1. Kagoshima University, 2. Yamaguchi University)
1:10 PM - 1:20 PM JST(4:10 AM - 4:20 AM UTC)

[II-45]Effect of Free Water Surface on Local Scour around a Rectangular Pier -an Attempt on Numerical Simulation using Solid-Liquid Multiphase Turbulent Flow Model-

*Takashi Inoue1, George Constantinescu2, Yasuo Nihei3 (1. Hiroshima University, 2. The University of Iowa, 3. Tokyo University of Science)
1:20 PM - 1:30 PM JST(4:20 AM - 4:30 AM UTC)

[II-46]The influence of compaction degree and clay content in erosion experiments of sediment models for sediment replenishment in dam reservoirs

*Hiroki Oguma1, Nao Ogawa1, junji Miyamoto1 (1. TOYO CONSTRUCTION CO., LTD.)
1:30 PM - 1:40 PM JST(4:30 AM - 4:40 AM UTC)

[II-47]Performance Evaluation of Observation Equipment for Sediment Discharge Measurement in Sediment Bypass Tunnels

*Satoshi Matsumoto1, Misaki Kakita1, Nobuya Yoshimura2, Songmi Chang2, Yukiko Shouji3, Chihaya Onda3 (1. J-POWER Design Consultant, 2. CORVAC, 3. J-POWER)
1:40 PM - 1:50 PM JST(4:40 AM - 4:50 AM UTC)

[II-48]Practice of dam reservoir sediment survey using unmanned ships equipped with fish finders and interpretation of the results of sediment calculation using the average cross-section method.

*Jitsuya Nagata1 (1. Chuo Kaihatsu Corporation)
1:50 PM - 2:00 PM JST(4:50 AM - 5:00 AM UTC)

[II-49]Effective Management of Regulating Reservoir Dams Using UAV Surveying

*Tomohiro Omori1, HORISAWA MAKOTO1, KUROSAKI TAIJI1 (1. East Japan Railway Company)
2:00 PM - 2:10 PM JST(5:00 AM - 5:10 AM UTC)

[II-50]Estimation of Turbidity in a dam basin using optical satellite images

*Ishii Kenichi1, Kosemura Yoshiaki1, Shouji Yukiko2 (1. J-POWER Business Service Corporation, 2. Electric Power Development Corporation)
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