Japan Society of Civil Engineers 2025 Annual Meeting
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Session Details

Oral PresentationSection VI

地盤改良(2)

Fri. Sep 12, 2025 11:10 AM - 12:30 PM JST
Fri. Sep 12, 2025 2:10 AM - 3:30 AM UTC
231
11:10 AM - 11:20 AM JST(2:10 AM - 2:20 AM UTC)

[VI-1311]Construction Achievements of High-Pressure Jet Agitation Method for the Purpose of Waterproofing

*Hiroyuki Ishihara1, Takahiro Watanabe1, Hiroki Okano1, Daisuke Ishigami1, Ryuichi Maedaeda2, Daiki Kobayashi2 (1. Kajima Corporation, 2. Japan Railway Construction, Transport and Technology Agency)
11:20 AM - 11:30 AM JST(2:20 AM - 2:30 AM UTC)

[VI-1312]Construction Achievements of High-Pressure Jet Agitation Method for the Purpose of Waterproofing(part2:quality Control)

*Kanta Murakami1, Keisuke Tanaka1, Michitaka Okamoto1, Takahiro Watanabe1, Hiroki Okano1, Daisuke Ishigami1, Hiroyuki Ishihara1, Ryuichi Maedaeda2, Daiki Kobayashi2 (1. Kajima Corporation, 2. Japan Railway Construction,Transport and Technogy Agency)
11:30 AM - 11:40 AM JST(2:30 AM - 2:40 AM UTC)

[VI-1313]Report on the Construction Supervision of a Horizontal Special Perforated Pipe with High-Pressure Injection Stirring Method under Highly Pressurized Water under Railway Operating Lines

*Takuya Hieda1, Taishi Takata1, Takaaki Yoshioka2 (1. Nishinihonnryokakutetudou, 2. Taiseikennsetsu)
11:40 AM - 11:50 AM JST(2:40 AM - 2:50 AM UTC)

[VI-1314]Construction of horizontal high-pressure jet mixing method directly under railway lines and groundwater

*Takaaki Yoshioka1, Takahiro Miyama1, Takuya Hieda2 (1. Taisei Corporation, 2. West Japan Railway Company)
11:50 AM - 12:00 PM JST(2:50 AM - 3:00 AM UTC)

[VI-1315]Jet Grouting Method for light soil covering and urban areas

*Takayoshi Nishioka1, Daisuke Isobe1, Kanae Yoshimoto2, Aoto Oone3 (1. TAISEI CORPORATION, 2. West Japan Railway Company, 3. DAITETSU KOGYO CO. LTD)
12:00 PM - 12:10 PM JST(3:00 AM - 3:10 AM UTC)

[VI-1316]Construction rationalization using a flow meter for mud discharge management in high-pressure injection agitation method

*Daisuke Morita1, Yuya Obayashi1, Hideki Nagatani1, Shingo Ikeda1 (1. KAJIMA CORPORATION)
12:10 PM - 12:20 PM JST(3:10 AM - 3:20 AM UTC)

[VI-1317]Construction Results of High-Pressure Jet Mixing Method(JETCRETE Method) Targeting soil with high cohesion strength

*Naoshi Inoue1, Yoshihiro Sakanishi1, Takeo Mouko1, Naoya Imaizumi1, Hatsutaro Kajikawa1 (1. KAJIMA Corporation)
12:20 PM - 12:30 PM JST(3:20 AM - 3:30 AM UTC)

[VI-1318]Deep Mixing Soil Stabilization at the Bottom of Open Cut Shaft on Soft Reclaimed Ground with Underground Obstacles

*Yoshihiro Sakanishi1, Eisuke Shinotake1, Shuhei Yamamoto1, Satoru Numajiri1, Naoshi Inoue1, Takeo Mohko1 (1. KAJIMA CORPORATION)
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