Japan Society of Civil Engineers 2025 Annual Meeting
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Session Details

Oral PresentationSection VI

地盤改良(1)

Fri. Sep 12, 2025 9:30 AM - 10:50 AM JST
Fri. Sep 12, 2025 12:30 AM - 1:50 AM UTC
231
9:30 AM - 9:40 AM JST(12:30 AM - 12:40 AM UTC)

[VI-1304]Liquefaction countermeasures in ground containing boulder layers (No.1)
~Overview and results of test construction of the SAVE-SP method~

*Tomohiro Sugimoto1, Ryo Takanashi2, Hiroyuki Kawanakajima2, Yusuke Suyama2, Kenta Fuse2 (1. Fudo Tetra Corporation, 2. Japan Railway Construction, Transport and Technology Agency)
9:40 AM - 9:50 AM JST(12:40 AM - 12:50 AM UTC)

[VI-1305]Liquefaction countermeasures in ground containing boulder layers (No.2)
~Liquefaction countermeasure effect of the SAVE-SP method~

*Ryo Takanashi1, Hiroyuki Kawanakajima1, Yusuke Suyama1, Kenta Fuse1, Tomohiro Sugimoto2 (1. Japan Railway Construction, Transport and Technology Agency, 2. Fudo Tetra Corporation)
9:50 AM - 10:00 AM JST(12:50 AM - 1:00 AM UTC)

[VI-1306]Countermeasures for Displacement of Surrounding Ground for Static Compaction Crushed Stone Piles

*Takahiro Hori1, Tomoyuki Ideno2 (1. TAISEI CORPORATION, 2. Fudo Tetra Corporation)
10:00 AM - 10:10 AM JST(1:00 AM - 1:10 AM UTC)

[VI-1307]Improving the efficiency of the construction cycle by expanding the diameter of the SCP casing tip

*Shogo Seo1, Takayuki Hirata1, Satoshi Mitsui1 (1. PENTA-OCEAN CONSTRUCTION CO., LTD.)
10:10 AM - 10:20 AM JST(1:10 AM - 1:20 AM UTC)

[VI-1308]Injection Speed Management and Construction Method of Chemical Grouting Controlling Displacement of Railway Viaducts for Conventional Lines

*Ami Ichimura1, Kenji Kawagoe1, Junta Nagumo2, Hiroki Fujikawa3, Susumu Takei3, Naoki Anbe3 (1. TAISEI CORPORATION, 2. RAITO KOGYO CO., LTD., 3. Japan Railway Construction, Transport and Technology Agency)
10:20 AM - 10:30 AM JST(1:20 AM - 1:30 AM UTC)

[VI-1309]Physical Properties of Sandy Soil Improved with Microbubble Grout: Liquefaction Strength Tests and Microfocus X-ray CT Imaging

*Ayato Tsutsumi1, Koyo Yamashita1, Atsushi Yamamoto1, Teppei Akimoto1, Kouji Sakamoto1, Daiki Takano2 (1. PENTA-OCEAN CONSTRUCTION CO.,LTD., 2. Kumamoto University)
10:30 AM - 10:40 AM JST(1:30 AM - 1:40 AM UTC)

[VI-1310]Visualization of chemical injection status using acoustic attenuation tomography measurement - Examination of on site applicability -

*Nana Obara1, Koyo Yamashita1, Ayato Tsutsumi1, Atsushi Yamamoto1, Hidetomi Norimatsu1, Yoshito Kawano1, Junichi Sakakibara2, Akihiro Tago2 (1. PENTA-OCEAN CONSTRUCTION CO., LTD., 2. JFE Civil Engineering & Construction Corp.)
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