Japan Society of Civil Engineers 2025 Annual Meeting
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Session Details

Oral PresentationSection VI

品質管理(3)

Thu. Sep 11, 2025 1:30 PM - 2:50 PM JST
Thu. Sep 11, 2025 4:30 AM - 5:50 AM UTC
D202
1:30 PM - 1:40 PM JST(4:30 AM - 4:40 AM UTC)

[VI-128]Efforts to improve productivity in slope countermeasure construction using slope CIM

*Kazuki Kifune1, Shigetaka Ishihama1, Kazuki Oiwa1 (1. Kumagai Gumi Co.,Ltd.)
1:40 PM - 1:50 PM JST(4:40 AM - 4:50 AM UTC)

[VI-129]Optimization of Quality Control Operations for Precast Slabs for Bridges with Cotter-Type Joints

*Yasuyuki Kubota1, Tetsuo Amagai1, Yoshito Takeshita1, Ryota Futamura1, Ryota Katsuraya1, Chieko Kaku1 (1. Kumagai Gumi Co.,Ltd.)
1:50 PM - 2:00 PM JST(4:50 AM - 5:00 AM UTC)

[VI-130]Verifying efficiency through DX of AI-based rebar inspection and rebar finished shape/inspection operations

*Yuji Ishihara1, Yamato Miyagawa1, Nanami Seki2, Masanori Yamazaki2, Etsuo Hamamoto2, Runa Kakura2, Arata Sugiyama2 (1. Kensetsu System Co., ltd., 2. Asunaro Aoki Construction Co., Ltd.)
2:00 PM - 2:10 PM JST(5:00 AM - 5:10 AM UTC)

[VI-131]Fundamental study of cold resistance relief(PUF) immersed in liquid Ammonia

*Hiroshi Senna1, Keiichiro Maeda1, Atsushi Inaba1, Akari Takada1, Hiroki Yamashita2 (1. OBAYASHI CORPORATION, 2. Sekisui SoflanWiz Co.Ltd)
2:10 PM - 2:20 PM JST(5:10 AM - 5:20 AM UTC)

[VI-132]Fundamental study on reinforcing bars, PC strands, and PC rods after immersion in liquefied Hydrogen

*Hirokazu Yamaguchi1, Hikaru Sahashi1, Keiichiro Maeda1, Atsushi Inaba1, HIroaki Kobayashi2, Tomohiro Ida3 (1. Obayashi Corporation, 2. Japan Aerospace Wxploration Agency, 3. SEKISUI CHEMICAL CO., LTD.)
2:20 PM - 2:30 PM JST(5:20 AM - 5:30 AM UTC)

[VI-133]Fundamental study on rigid polyurethane foam (PUF) after immersion in liquefied hydrogen

*Shohei Yamamoto1, Atsushi Inaba1, Keiichiro Maeda1, Hiroaki Kobayashi3, Tomohiro Ida2, Fumio Watanabe2 (1. Obayashi Corporation, 2. Sekisui Soflan Wiz Corporation, 3. Japan Aerospace Exploration Agency)
2:30 PM - 2:40 PM JST(5:30 AM - 5:40 AM UTC)

[VI-134]On-site application of the concrete curing mat using bubble wrap and moisture-absorbing fiber

*Ryoya Ninomiya1, Shogo Nojima1 (1. Obayashi corporation)
2:40 PM - 2:50 PM JST(5:40 AM - 5:50 AM UTC)

[VI-135]the Effect of using warm water for during heat curing in cold weather concreting

*Takahashi Kousuke1, Yamamoto Hiroshi1, Nojima Shogo1, Miyawaki Masashi1 (1. Obayashi corporation)
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