Japan Society of Civil Engineers 2025 Annual Meeting
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Session Details

Oral PresentationSection III

土質安定処理・地盤改良②

Thu. Sep 11, 2025 10:40 AM - 12:00 PM JST
Thu. Sep 11, 2025 1:40 AM - 3:00 AM UTC
3F D1
10:40 AM - 10:50 AM JST(1:40 AM - 1:50 AM UTC)

[III-123]Study on Confining Pressure Changes at Sites Applying the Leaf Vein-Shaped Grout Method, No. 1

*Tomoya Onodera1, Jun Izawa1, Noboru Ukaji2, Eiichi Inomoto2, Shoichi Uemura3, Yoshiaki Shimada3 (1. Railway Technical Research Institute, 2. Raito Kogyo Co. LTD., 3. East Japan Railway Company)
10:50 AM - 11:00 AM JST(1:50 AM - 2:00 AM UTC)

[III-124]Study on Confining Pressure Changes at Sites Applying the Leaf Vein-Shaped Grout Method, No. 2

*Jun Izawa1, Tomoya Onodera1, Noboru Ukaji2, Eiichi Inomoto2, Shoichi Uemura3, Yoshiaki Shimada3 (1. Railway Technical Research Institute, 2. Raito Kogyo , 3. East Japan Railway Company)
11:00 AM - 11:10 AM JST(2:00 AM - 2:10 AM UTC)

[III-125]Analytical study on the relationship between the range of ground improvement and pile stress in liquefied Ground

*Kodai Okamoto1, Naoki Nakamura1, Yusuke Baba1 (1. TEPCO Power Grid,Incorporated)
11:10 AM - 11:20 AM JST(2:10 AM - 2:20 AM UTC)

[III-126]A Study on Stiffness of Drain Materials for Pore Water Pressure Dissipation Method in River Embankments

*Yudai Aoyagi1, Masanori Ishihara1, Tetsuya Sasaki1 (1. Public Works Research Institute)
11:20 AM - 11:30 AM JST(2:20 AM - 2:30 AM UTC)

[III-127]Examination of specifications for the pore water pressure dissipation method expected to be effective against large-scale seismic motion

*Masanori Ishihara1, Yuta Miura1, Tetsuya Sasaki1 (1. Public Works Research Institute)
11:30 AM - 11:40 AM JST(2:30 AM - 2:40 AM UTC)

[III-128]Application of soil improvement technique reducing CO2 emissions to fluidized soil-cement mixture ~ No.1: overview of the study and unconsolidated properties of developing material ~

*Hidetake Matsui1, Sou Ihara1, Tadafumi Fujiwara1, Mitsuru Ohkubo2 (1. Taisei Corporation, 2. Acecon-kogyo)
11:40 AM - 11:50 AM JST(2:40 AM - 2:50 AM UTC)

[III-129]Application of soil improvement technique reducing CO2 emissions to fluidized soil-cement mixture ~ No.2: strength and elusion property of hazardous substance ~

*Sou Ihara1, Hidetake Matsui1, Mitsuru Ohkubo2, Tadafumi Fujiwara1 (1. TAISEI CORPORATION, 2. Acecon-kogyo)
11:50 AM - 12:00 PM JST(2:50 AM - 3:00 AM UTC)

[III-130]Effect of grout mix and Injection Pressure on Permeability of Suspension-type Grout

*Sasaki Takamitsu1, Shimada Shunsuke1, Suemasa Naoaki2, Chua Jemy2 (1. Kyokado Engineering Co.,LTD., 2. Tokyo City University)
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