Japan Society of Civil Engineers 2026 Annual Meeting
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Session Details

Section V

骨材／再生コンクリート(1)

Wed. Sep 2, 2026 8:50 AM - 10:10 AM JST
Wed. Sep 2, 2026 11:50 PM - 1:10 AM UTC
Room D31, 3rd Floor, Building 7 (Hokkai-Gakuen University)
8:50 AM - 9:00 AM JST(11:50 PM - 12:00 AM UTC)

[V-47]Separation Method for Mixed Fine Aggregate Using a Simple Underwater Specific Gravity Separator

*Hiroshi Katahira1, Hirohisa Koga1 (1. PWRI)
9:00 AM - 9:10 AM JST(12:00 AM - 12:10 AM UTC)

[V-48]Effects of Aggregate Properties, Temperature, and Pressure on the Estimation of Surface Moisture of Fine Aggregate Using Dielectric Permittivity

*Shotaro Ichikawa1, Yueqi Wang1, Koji Tamataki1 (1. Mitsubishi UBE Cement Corporation)
9:10 AM - 9:20 AM JST(12:10 AM - 12:20 AM UTC)

[V-49]Fineness Modulus of Fine Aggregate Estimation Using Machine Learning with Integrated Image, luminance, and Particle Features

*YUEQI WANG1, Shotaro ICHIKAWA1, Koji TAMATAKI1 (1. Mitsubishi UBE Cement Corporation)
9:20 AM - 9:30 AM JST(12:20 AM - 12:30 AM UTC)

[V-50]Effects of Curing Conditions on Physical Properties and Shirasu Reaction in Seawater-Mixed Mortar Using Shirasu Fine Aggregate

*Takayuki Fukunaga1, Satsuki Shudo1, Hidenori Hamada1 (1. KYUSHU University)
9:30 AM - 9:40 AM JST(12:30 AM - 12:40 AM UTC)

[V-51]A Study on the Quality Properties of Concrete using Recovered Gravel Aggregate from Returned Concrete from Multiple Concrete Plants

*Takanori Sakuma1, Ohkawa Ken1, Hashimoto Yuta1, Aoki Sinichi1, Miyata Natsuyuki1, Kanda Tetsushi2, Momose Haruki2, Sakamoto Atsushi2, Sugimoto Hiroki2, Yamazaki isao3, Ii Naoki3 (1. Recycle Project Departmennt , Sanwasekisan Corporation, 2. Technical Research Institute, Kajima Corporation, 3. TM3 Corporation)
9:40 AM - 9:50 AM JST(12:40 AM - 12:50 AM UTC)

[V-52]Effect of Virgin Concrete Strength and Use of Admixtures on the Performance of Recycled Aggregate Concrete

*Kenji Nishikigi1, Kenichi Moriya1, Atsumi Sawamura1, Yasuhiro Dosho2, Kouta Onoyama2 (1. TODA Corporation, 2. MEIJO University)
9:50 AM - 10:00 AM JST(12:50 AM - 1:00 AM UTC)

[V-53]Mechanical Properties of High-Strength Fly Ash Concrete with Internal Curing Using Recycled Aggregates

*Akihiro Kubo1, Xuan Hoang Dao1, Ogawa Yuko1, Kenji Kawai1 (1. Hiroshima University)
10:00 AM - 10:10 AM JST(1:00 AM - 1:10 AM UTC)

[V-54]A Study on Concrete Mixed with Waste Roof Tiles for Use in Reconstruction Work Following the Noto Peninsula Earthquake

*Tomohiro Yoshiike1, Chikao San-noh1, Makoto Tsuda2 (1. Hokuriku Electric Power Company, 2. National Institute of Technology, Ishikawa College)
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