Japan Society of Civil Engineers 2025 Annual Meeting
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Session Details

Oral PresentationSection V

非破壊試験法2

Thu. Sep 11, 2025 3:10 PM - 4:30 PM JST
Thu. Sep 11, 2025 6:10 AM - 7:30 AM UTC
C407
3:10 PM - 3:20 PM JST(6:10 AM - 6:20 AM UTC)

[V-337]A study on the resonance frequency, size and depth of internal defects in noncontact acoustic inspection method

*Kazuko Sugimoto1, Tsuneyoshi Sugimoto1 (1. Toin University of Yokohama)
3:20 PM - 3:30 PM JST(6:20 AM - 6:30 AM UTC)

[V-338]Evaluation of Inspection Techniques for Material Deterioration in Concrete Block Retaining Walls

*Takahiro Sonoda1, Kimitoshi Matsuyama1, Masatake Tsuda1, Yoshito Miyahara1, Maho Kitamura1, Hirokazu Furuki1, Shingo Sada2, Seiko Urabe2, Seiichiro Uno2, Keizo Kinoshita2, Toshiaki Fukuhara2, Michitaro Sawatari2 (1. Nippon Koei Co., Ltd., 2. Urban Renaissance Agency)
3:30 PM - 3:40 PM JST(6:30 AM - 6:40 AM UTC)

[V-339]Proposal of a correction method based on measurement experiment of large rebar cover concrete by electromagnetic induction method.

*Ryuji Taguchi1, Ken Watabnabe1, Taro Ishikawa2, Hikaru Tomonaga2 (1. Railway technical research institute, 2. Japan Railway Construction, Transport and Technology Agency)
3:40 PM - 3:50 PM JST(6:40 AM - 6:50 AM UTC)

[V-340]Estimation of hydration degree of hardened cement based on hyperspectral images for demolding of lining concrete.

*Miyu Kishida1, sinmi tatsuo1, Simin Thai2, Terumi Miki2, Isamu Yoshitake3 (1. Tokuyama Corporation, 2. Penta-Osean Construction Co.Ltd., 3. Grad.School of Yamaguchi Univ.)
3:50 PM - 4:00 PM JST(6:50 AM - 7:00 AM UTC)

[V-341]Influence of Surface Conditions on Spectral Characteristics and a Method for Estimating Early-Age Concrete Strength

*Shibin Zai1, Terumi Miki1, Tatuo Shinmi2, Miyu Kishida2, Isamu Yoshitake3 (1. PENTA-OCEAN CONSTRUCTION CO., LTD., 2. Tokuyama Corporation, 3. Yamaguchi University)
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