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JAPAN CONSERVATION ENGINEERS &

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ORIENTAL CONSULTANTS

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PASCO

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Geobrugg

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Nature Analytics

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ecorisQ

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Dia Nippon Engineering Consultants Co., Ltd.

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PACIFIC CONSULTANTS CO., LTD.

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PROTEC ENGINEERING

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CTI Engineering Co., Ltd.

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NIPPON KOEI CO., LTD.

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Asia Air Survey Co., Ltd.

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Kyosei Ltd.

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Eight-Japan Engineering Consultants Inc.

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OYO Corporation

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公益信託北海道開発国際交流基金

General information

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Four-Day Program Schedule

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Tue. Oct 20, 2026

Wed. Oct 21, 2026

Thu. Oct 22, 2026

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INTERPRAEVENT 2026

Oral Session1

Topic.1-1

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Physical Characteristics of Slip Surfaces Measured in In-Situ Direct Shear Tests at Yui Landslide

Oct.,20 (Tue) 12:00 - 13:30 Poster Setup Oct.,20 (Tue) 13:30 - 18:00 Poster Presentations Oct.,20 (Tue) 16:30 - 18:00 Poster Presentation Core Time (Odd-numbered presentations for Topic 1, Topic 4, and Topic 5) Oct.,21 (Wed) 8:30 - 13:00 Poster Presentations Oct.,21 (Wed)11:30 - 13:00 Poster Presentation Core Time (Even-numbered presentations for Topic 1, Topic 4, and Topic 5, and all Student Awards presentations) Oct.,21 (Wed)13:30 - 14:30 Poster Removal

Topic 1

Presentation Information

[PT1-52]Physical Characteristics of Slip Surfaces Measured in In-Situ Direct Shear Tests at Yui Landslide