Japan Society of Civil Engineers 2025 Annual Meeting
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Session Details

Oral PresentationSection VI

補修・補強(5)

Thu. Sep 11, 2025 4:50 PM - 6:10 PM JST
Thu. Sep 11, 2025 7:50 AM - 9:10 AM UTC
221
4:50 PM - 5:00 PM JST(7:50 AM - 8:00 AM UTC)

[VI-481]Experimental Study on Crack Repair of Concrete Structures by Decompression Crack Injection Method (Part 1: Comparison of Injection Situations of Conventional and New Methods Using Simulated Crack Specimens)

*Kunihiro Shimizu1, Takeshi Kobayashi1, Junya Sasaki1, Shin Narui1, Mamoru Masaki2, Mitsutoshi Yamaguchi2, Yuji Sato2 (1. SANKO TECHNO CO.,LTD, 2. FUJI P.S CORPORATION)
5:00 PM - 5:10 PM JST(8:00 AM - 8:10 AM UTC)

[VI-482]Experimental Study on Crack Repair of Concrete Structures by Decompression Crack Injection Method (Part 2: Injection Test Using Cracked Reinforced Concrete Specimens)

*Mamoru Masaki1, Mitsutoshi Yamaguchi1, Yuji Sato1, Kunihiro Shimizu2, Takeshi Kobayashi2, Junya Sasaki2, Shin Narui2 (1. FUJI P.S CORPORATION, 2. SANKO TECHNO CO.,LT)
5:10 PM - 5:20 PM JST(8:10 AM - 8:20 AM UTC)

[VI-483]Evaluation of UV Degradation of Concrete Surface Coating Materials

*Ami Ueki1, Kenji Henmi1, Mika Nakahara1, Kenichi Kuribayashi2 (1. JR East Consultants Company, 2. East Japan Railway Company)
5:20 PM - 5:30 PM JST(8:20 AM - 8:30 AM UTC)

[VI-484]Study on repainting to improve durability of surface coating materials for concrete

*Ken-Ichi Kuribayashi1, ami ueki2, mika nakahara2, kenji henmi2, keiici yoshida3, Tsuyoshi ueda3 (1. East Japan Railway Company, 2. JR East Consultants Company, 3. OBANAYA CEMENTEX Company)
5:30 PM - 5:40 PM JST(8:30 AM - 8:40 AM UTC)

[VI-485]Monitoring study on the permeability suppression effect of surface penetrant using polarization resistance method

*Daisuke Yamazaki1, Yoshio Shinoda1, Mitsuyasu Iwanami2 (1. SHO-BOND CORPORATION, 2. Institute of Science Tokyo)
5:40 PM - 5:50 PM JST(8:40 AM - 8:50 AM UTC)

[VI-486]Proposal for maintenance of drainage shafts using 3D point cloud measurement and underwater drones

*Koki Maeda1, Takeharu Tajiri2, Sora Inoue2, Rena Sugitani2, Yoshiyuki Shigeta1 (1. PACIFIC CONSULTANTS CO., LTD., 2. Central Nippon Expressway Company Limited)
5:50 PM - 6:00 PM JST(8:50 AM - 9:00 AM UTC)

[VI-487]Report on the deterioration of underground concrete structures.

*Naoya Takahashi1, Yasuhiko Okamoto1, Kazuto Yoshida1 (1. OKUMURA Engineering Corporation)
6:00 PM - 6:10 PM JST(9:00 AM - 9:10 AM UTC)

[VI-488]Development of air tube construction method for cylindrical formwork repair

*Shinya Fujimoto1, Haruki Sugimoto1, Kouichi Taniwaki2, Takayuki nakanishi2, Shinya Watanabe3 (1. Kurimoto,Ltd, 2. TAIYO KOGYO CORPORATION, 3. LiT Co.,Ltd.)
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