Japan Society of Civil Engineers 2026 Annual Meeting
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Session Details

Section III

土質安定処理・地盤改良①

Wed. Sep 2, 2026 8:50 AM - 10:10 AM JST
Wed. Sep 2, 2026 11:50 PM - 1:10 AM UTC
Room 406, 4th Floor, Building 1 (Hokkai School of Commerce)
8:50 AM - 9:00 AM JST(11:50 PM - 12:00 AM UTC)

[III-79]Application of CO2 emission-reducing soil improvement technique to jet grouting (Part 1): study overview and preliminary mixing tests

*Hidetake Matsui1, Sou Ihara1, Tadafumi Fujiwara1 (1. Taisei Corporation)
9:00 AM - 9:10 AM JST(12:00 AM - 12:10 AM UTC)

[III-80]Application of CO2 emission-reducing soil improvement technique to jet grouting (Part 2): field trial construction and evaluation

*So Ihara1, Hidetake Matsui1, Tadafumi Fujiwara1 (1. TAISEI CORPORATION)
9:10 AM - 9:20 AM JST(12:10 AM - 12:20 AM UTC)

[III-81]Study on the Effects of Concentration and Saturation on the Mechanical Properties of TBAB-bearing Soil

*Takeshi Fujimoto1, Toshiro Hata1 (1. Hiroshima University)
9:20 AM - 9:30 AM JST(12:20 AM - 12:30 AM UTC)

[III-82]Influence of Carbonation Treatment on the Strength Improvement of Construction-Generated Soil Using Concrete Fine Powder

*Tatsuro Hatanaka1, Yuichi Tomita1, Satoshi Maehara1 (1. TOKYU CONSTRUCTION CO., LTD.)
9:30 AM - 9:40 AM JST(12:30 AM - 12:40 AM UTC)

[III-83]Field Demonstration of Deep Soil Mixing Using Biochar-Modified Cement Slurry

*Prissillia Oktaviani1, Tatsuya Emori1, Kazuhiko Ueno1, Teppei Akimoto1, Watabe Yoichi2 (1. Penta-ocean construction co., ltd., 2. Hokkaido University)
9:40 AM - 9:50 AM JST(12:40 AM - 12:50 AM UTC)

[III-84]Study on Mix Proportions Suitable for the Mid-Depth Mixing Method Using CCU Materials– Part 1: Properties of CCU Slurry

*Keisuke Tsukimata1, Takahiro Nakanishi1, Jun Sato1, Haruka Yokoyama2, Haruto Nakagawa2, Yuya Uchikawa2, Kazunari Okada2, Sho Oyama2, Mitsuru Kato2, Takashi Koyama2, Takeshi Katsumi3 (1. NITTOC Construction CO., Ltd., 2. KONOIKE Construction Co., Ltd., 3. Kyoto University)
9:50 AM - 10:00 AM JST(12:50 AM - 1:00 AM UTC)

[III-85]Study on Mix Proportions Suitable for the Mid-Depth Mixing Method Using CCU Materials – Part 2: Mix Design for the Incorporation of CCU Materials

*Haruka Yokoyama1, Haruto Nakagawa1, Yuya Uchikawa1, Kazunari Okada1, Sho Oyama1, Mitsuru Kato1, Takashi Koyama1, Keisuke Tsukimata2, Takahiro Nakanishi2, Jun Sato2, Takeshi Katsumi3 (1. KONOIKE CONSTRUCTION CO.,LTD., 2. NITTOC CONSTRUCTION CO.,LTD., 3. Kyoto University)
10:00 AM - 10:10 AM JST(1:00 AM - 1:10 AM UTC)

[III-86]Applicability of a Wood Biomass Ash-Based Ground Improvement Material to Organic Soils

*Noboru Nakatani1, Akie Mimura1, Kenichi Sato2, Teruaki Takenaka3 (1. Dainippon construction, 2. Fukuoka University, 3. HSS Engineering)
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