[III] 締固め① | Japan Society of Civil Engineers 2026 Annual Meeting

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Session Details

Section III

締固め①

Fri. Sep 4, 2026 2:40 PM - 4:00 PM JST
Fri. Sep 4, 2026 5:40 AM - 7:00 AM UTC

Room 301, 3rd Floor, Building 1 (Hokkai School of Commerce)

Chair: Koichi Yamanaka

2:40 PM - 2:50 PM JST(5:40 AM - 5:50 AM UTC)

[III-398]The effect of differences in bentonite's exchangeable cation properties and swelling properties on the permeability coefficient of soil mixtures.

*Takeshi Ishiguro¹, Masafumi Hirata¹, Yudai Ohtsuka¹, Masahide Iwata¹, Masafumi Ohkawara², Ryo Yasuda³, Okuto Nihei³ (1. Maeda Corporation, 2. Iwate University , 3. Radioactive Waste Management Funding and Research Center)

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2:50 PM - 3:00 PM JST(5:50 AM - 6:00 AM UTC)

[III-399]Bentonite purification methods and the exchangeable cation content of purified bentonite.

*Masahide Iwata¹ (1. Maeda Corporation)

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3:00 PM - 3:10 PM JST(6:00 AM - 6:10 AM UTC)

[III-400]Microscopic image comparison of Ca-type bentonite mixed soils with different compaction conditions

*Yudai Admin Otsuka¹, Hirata Masafumi¹, Ishiguro Takeshi¹, Iwata Masahide¹, Okawara Masafumi², Ota Masashi², Yasuda Ryo³ (1. MAEDA CORPORATION, 2. IWATE UNIVERSITY, 3. Radioactive Waste Management Funding and Research Center)

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3:10 PM - 3:20 PM JST(6:10 AM - 6:20 AM UTC)

[III-401]Strength and deformation characteristics of geogrid-reinforced crushed concrete aggregate

*Motoki Sugaya¹, Hirakawa Daiki^1,2 (1. Chuo University Graduate school, 2. Chuo University)

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3:20 PM - 3:30 PM JST(6:20 AM - 6:30 AM UTC)

[III-402]Compaction Characteristics and Strength Development of Soil Mixed with Cement-Free, Environmental Friendly Solidifying Material

*Motoharu Uchida¹, Dayani Sanjeewani¹, Ryo Sakamoto¹, Naoki Takahashi¹ (1. SUMITOMO MITSUI Construction CO.,LTD.)

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3:30 PM - 3:40 PM JST(6:30 AM - 6:40 AM UTC)

[III-403]The effect of compaction energy level on the anisotropic permeability of sandy gravel

*Ibuki Sawada¹, Daiki Hirakawa², Fumio Tatsuoka³ (1. Chuo University Graduate School, 2. Chuo University, 3. University of Tokyo/Tokyo University of Science)

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3:40 PM - 3:50 PM JST(6:40 AM - 6:50 AM UTC)

[III-404]Influence of compression / shear deformation behavior during compaction on compaction characteristics of sandy soils

*Masayoshi Miyata¹, Daiki Hirakawa² (1. Chuo University Graduate School, 2. Chuo University)

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3:50 PM - 4:00 PM JST(6:50 AM - 7:00 AM UTC)

[III-405]Centrifugal model experiment on the joint opening behavior of box culverts due to earthquakes

*Toshinori Yoshimura¹, Amon Tatezumi², Shizuka Eshiro¹, Tomomi Yoshihira², Hiromasa Iwai¹, Yusuke Miyazaki², Akira Mori³, Keisuke Kato³ (1. Kyoto University, 2. Kansai University, 3. Nippon Expressway Research Institute Company Limited)

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