Japan Society of Civil Engineers 2025 Annual Meeting
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Session Details

Oral PresentationSection III

締固め・支持力②

Fri. Sep 12, 2025 2:40 PM - 4:00 PM JST
Fri. Sep 12, 2025 5:40 AM - 7:00 AM UTC
C405
2:40 PM - 2:50 PM JST(5:40 AM - 5:50 AM UTC)

[III-320]Compaction and Permeability Properties of Highly Swelling Bentonite Mixed Soil

*Yudai Otsuka, Masafumi Hirata1, Takeshi Ishiguro1, Masahide Iwata1, Masafumi Okawara2, Masashi Ota2, Yoshikazu Hironaka3 (1. MAEDA CORPORATION, 2. Iwate University, 3. Radioactive Waste Management Funding and Research Center)
2:50 PM - 3:00 PM JST(5:50 AM - 6:00 AM UTC)

[III-321]Examination about quantitative evaluation of the bentonite coating state using the microscope image

*Masafumi Hirata1, Ishiguro Takeshi1, Yudai Ohtsuka1, Masahide Iwata1, Masafumi Ohkawara2, Masashi Ohta2, Yoshikazu Hironaka3 (1. Maeda Corporation, 2. Iwate University, 3. Radioactive Waste Management Funding and Research Center)
3:00 PM - 3:10 PM JST(6:00 AM - 6:10 AM UTC)

[III-322]Study on the influence of difference in material characteristics of bentonite on the compaction and premeabirity characteristics of bentonite mixed soil.

*Takeshi Ishiguro1, Masafumi Hirata1, Yudai Ohtsuka1, Masahide Iwata1, Masafumi Ookawara2, Masashi Ohta2, Yoshikazu Hironaka3 (1. Maeda Corporation, 2. Iwate University, 3. Radioactive Watse Management Center)
3:10 PM - 3:20 PM JST(6:10 AM - 6:20 AM UTC)

[III-323]On-site application of the earthwork quality management system "AtlasX" to INSEM materials

*Hiroshi Tsuda1, Shota Matsuo1, Taku Tsutsusaki1, Takeshi Ishiguro1, Takafumi Iwatani1, Masafumi Hirata1 (1. Maeda Corporation)
3:20 PM - 3:30 PM JST(6:20 AM - 6:30 AM UTC)

[III-324]Study on annual changes in seepage characteristics of river levee based on observations of water level

*Tatsuya Nomura1, Yudai Aoyagi1, Masanori Ishihara1, Tetsuya Sasaki1, Masahiro Ito2, Seiji Tanaka2 (1. National Research and Development Agency Public Works Research Institute, 2. MLIT, Kyushu Regional Development Bureau, Osumi Office or River and National Highway)
3:30 PM - 3:40 PM JST(6:30 AM - 6:40 AM UTC)

[III-325]A preliminary study on seismic evaluation for concrete face rockfill dam (Part8)-Cycric loading tests of vertical joints-

*Tetsuo Fujimoto1, Yasuhiro Ohkoshi2, Hideaki Satoh2, Akito Ozaki2, Kuroda Syuichi3, Masaaki Notani3, Hironori Hiramatsu3 (1. Osaka Institute of Technology, 2. Kumagai Gumi Co., Ltd., 3. Eight-Japan Engineering Consultants Inc.)
3:40 PM - 3:50 PM JST(6:40 AM - 6:50 AM UTC)

[III-326]Construction tests of stabilization method using permeability soil improvement for embankment.

*Tatsufumi Nishio1, Yuji Adachi1, Akira Izumi2, Keisuke Sato3, Takashi Ichitsubo4, Yuichi Sonoda4, Toshihisa Tsukamoto4 (1. HAZAMA ANDO CORPORATION, 2. NARO, Institute for Rural Engineering, 3. AOYAMA KIKO CO.,LTD., 4. New Japan Grout Industry Co., Ltd.)
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