Organized Sessions

How should we deal with the frequent damage to embankments during earthquakes? (1)

Thu. Nov 23, 2023 9:15 AM - 10:45 AM G415 (PACIFICO Yokohama North, 4F)

Chairperson: Mitsu Okamura (Ehime University)

In recent years, earthquake damage to road embankments, railway embankments, residential land developments, river embankments, agricultural reservoir embankments, and tailings dams has been frequent. Reasons include the lack of seismic design until recently and the weakening of fill materials, retaining walls, and drainage pipes after construction due to aging. In response, seismic design and inspections have recently been undertaken and countermeasures have been implemented. This session aims to discuss a wide range of topics, from clarification of the seismic behavior of embankments to investigation, design, inspection, and countermeasure methods.

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9:15 AM - 9:27 AM

[Day1-G415-01] Investigation of evaluation method of earthquake deformation of valley-filled road embankments

*Tetsuya SASAKI¹, Takuo AZUMA¹, Shunji KATO¹, Naoya SASAKI² (1. PWRI, 2. Yachiyo Engineering Co., Ltd.)

9:28 AM - 9:40 AM

[Day1-G415-02] Efforts to assess the soundness of embankments using fragile rocks and implement countermeasures

*Kazuyori Fujioka¹, Masanori Nagahama¹, Kousuke Nakashima¹, Atsushi Yashima², Yoshinobu Murata² (1. Central Nippon Expressway, 2. Gifu University)

9:41 AM - 9:53 AM

[Day1-G415-03] A fundamental study on verification for seismic stability of railway embankments taking into account damage process

*Jun Jun Izawa¹, Tatsuya Doi¹, Ryuichi Ibuki¹, Kentaro Uemura², Sreng Sokkheang² (1. Railway Technical Research Institute, 2. Nippon Koei)

9:54 AM - 10:06 AM

[Day1-G415-04] Effects of providing drainage ability to liquefiable sand on embankment settlement

Mizuki Suyama¹, *Mitsu Okamura¹, Kohei Ono¹ (1. Ehime University)

10:07 AM - 10:19 AM

[Day1-G415-05] Earthquake-Damage to Earth Fill Dams and Developments of New Stability Analysis and Construction Management

*yoshiyuki Mohri¹, Tatsuoka Fumio², Tanaka Tadatsugu², Duttine Antoine³, Miura Tohru⁴ (1. Ibaraki University, 2. University of Tokyo, 3. Integrated Geotechnology Institute, 4. NTC Consultants Co.)

10:20 AM - 10:32 AM

[Day1-G415-06] Problems of earthquake resistance evaluation of residential fill ground from the viewpoint of geotechnical earthquake engineering

*Motoki Kazama¹, Akiyoshi Kamura¹, Mihira Lakruwan¹, Shingo Sato² (1. Tohoku University, 2. Fukken Gijutsu Consultants Co. Ltd.)

10:33 AM - 10:45 AM

[Day1-G415-07] Seismic inspection of tailings dams against L2 seismic motion by slip deformation analysis considering liquefaction

*Susumu Yasuda¹, Kenji Adachi², Takeshi Yoneoka³ (1. Tokyo Denki University, 2. Jiban Soft Factory Co., Ltd., 3. Kiso-jiban Consultants Co., Ltd.)

Organized Sessions

How should we deal with the frequent damage to embankments during earthquakes? (2)

Thu. Nov 23, 2023 10:55 AM - 12:25 PM G415 (PACIFICO Yokohama North, 4F)

Chairperson: Yousuke Ohya (National Institute of Maritime, Port and Aviation Technology)

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10:55 AM - 11:07 AM

[Day1-G415-08] Centrifuge Model Tests Concerning Effect of Vertical Drains as Liquefaction Measures to Reduce Embankment Settlement against Large Earthquake Ground Motion

*Masanori Ishihara¹, Ryo Maruta¹, Yudai Aoyagi¹, Tetsuya Sasaki¹ (1. Public Works Research Institute)

11:08 AM - 11:20 AM

[Day1-G415-09] Case Studies of Earthquake Resistance Measures and Analyses by Compaction Method for River Embankments

*Kenji Harada¹, Tomoyuki Ideno¹ (1. Fudo Tetra Corporation)

11:21 AM - 11:33 AM

[Day1-G415-10] Effects of duration and frequency characteristics of input earthquake motions on seismic damage of river levees

*Kentaro Nakai¹, Toshihiro Noda¹ (1. Nagoya University)

11:34 AM - 11:46 AM

[Day1-G415-11] Investigation about effect of connection of soil nails with slope protection works for seismic reinforcement of embankment

*Takaki Matsumaru¹, Susumu Nakajima¹, Yuki Kurakami¹ (1. Railway Technical Research Institute)

11:47 AM - 11:59 AM

[Day1-G415-12] Example of embankment material evaluation and earthquake resistance performance evaluation for level 2 seismic motion

*Tomohito Hagiwara¹, Hideo Nomura¹, Yuuichi Oto¹, Hisashi Igarashi¹ (1. Kiso-Jiban Consultants Co.,Ltd)

12:00 PM - 12:12 PM

[Day1-G415-13] Damage And Its Characteristics Of Soma Port Due To The Earthquake Off The Coast Of Fukushima Prefecture in 2022

*Noriaki Sento¹ (1. Nihon University)

12:13 PM - 12:25 PM

[Day1-G415-14] Residual Deformation Patterns of Sheet Pile Quay Walls after the Fukushima-Oki Earthquake of March 16, 2022

*Yousuke Ohya¹, Atsushi Nozu¹, Eiji Kohama¹, Masahiro Takenobu², Yosuke Nagasaka¹ (1. National Institute of Maritime, Port and Aviation Technology, 2. National Institute for Land and Infrastructure Management)

Organized Sessions

How should we deal with the frequent damage to embankments during earthquakes? (3)

Thu. Nov 23, 2023 2:00 PM - 3:30 PM G415 (PACIFICO Yokohama North, 4F)

Chairperson: Takao Hashimoto (Kokushikan University)

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2:00 PM - 2:05 PM

[Day1-G415-Introduction] Introduction

*Susumu Yasuda¹ (1. Tokyo Denki University)

2:06 PM - 2:51 PM

[Day1-G415(PM1)] Enforcement of the Embankment Regulation Law

[Invited Lecture]

*Nobuhiro Yoshida¹ (1. Ministry of Land, Infrastructure, Transport and Tourism)

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2:52 PM - 3:04 PM

[Day1-G415-15] Analysis of embankment damage and verification of restoration measures in the Omagari Namiki area of Kitahiroshima city due to the 2018 Hokkaido Eastern Iburi earthquake

*Takao Hashimoto¹, Hideaki Uchida² (1. Kokushikan University, 2. Chiyoda Consultant Co., Ltd.)

3:05 PM - 3:17 PM

[Day1-G415-16] Actual sliding collapse of embankment of residential land

*Shingo Sato¹, Motoki Kazama², Noriyuki Chiba³ (1. Fukken Gijyutsu Consultants Co., Ltd., 2. Tohoku University, 3. Tohoku Institute of Technology)

3:18 PM - 3:30 PM

[Day1-G415-17] Study on Applicability of Simplified Geotechnical Investigation in Large-scale Embankment

*Katsuya Usuki¹, Hajime Baba¹, Toshio Miura¹, Mizuho Suzuki¹ (1. Tokyo Metropolitan Government Bureau of Urban Development)

Organized Sessions

How should we deal with the frequent damage to embankments during earthquakes? (4)

Thu. Nov 23, 2023 3:40 PM - 5:10 PM G415 (PACIFICO Yokohama North, 4F)

Chairperson: Hirokazu Kadota (Pacific Consultants Co.,Ltd.)

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3:40 PM - 3:52 PM

[Day1-G415-18] Technical Issues and the Role of Soil Quality Judges in the Project to Promote Earthquake Resistance of Residential Lots

*Fusao Rito¹ (1. OYO Corporation)

3:53 PM - 4:05 PM

[Day1-G415-19] A case study on reproducing the seismic residual deformation of residential land embankments using a simple stability computation based on the seismic coefficient method

*Hirokazu Kadota¹, Shigeru Satou¹, Tetsurou Watanabe¹ (1. Pacific Consultants Co.,Ltd.)

4:06 PM - 4:18 PM

[Day1-G415-20] Introduction of Safety Evaluation Method for Residential Land Development in Matsudo City

*Tsuyoshi Okishima¹, Yasunori Kobayashi², Yoshinari Kurashina², Masanori Ishitsuka², Shingo Sato¹, Syuhei Yamaguchi¹, Takahiro Yokota¹, Susumu Yasuda³ (1. Fukken Gijyutsu Consultants Co., Ltd, 2. Matsudo City, 3. Tokyo Denki University)

4:19 PM - 4:31 PM

[Day1-G415-21] Simulation of Debris Flow by Distinct Element Method for Slope Failure Analysis

*Hitoshi Nakase¹, Yusuke Kanai¹, Masatoshi Narumi¹ (1. Tokyo Electric Power Services co. Ltd.)

4:32 PM - 4:44 PM

[Day1-G415-22] Earthquake response analysis of embankment by using grid-based particle method considering large deformation

*Takatoshi Kiriyama¹, Kiyoshi Fukutake¹ (1. Shimizu corporation, Institute of Technology)

4:45 PM - 4:57 PM

[Day1-G415-23] A Study on the Influence of the Hardness and Softness of Support Ground on the Displacement of Embankments during Earthquakes and the Evaluation Method

*Keita Abe¹, Noriaki Sento¹ (1. Nihon University)

4:58 PM - 5:10 PM

[Day1-G415-24] A study on the risk quantification for seismic slope failures based on the correlation between critical PGA and critical seismic coefficient

*Taisuke Watanabe¹, Akihiko Wakai², Senro Kuraoka³, Tomoyuki Ikariya³, Yuichi Nakashima³ (1. JISHIN KOGAKU KENKYUSHO,INC., 2. Gunma University, 3. Nippon Koei Co., Ltd.)

Sessions

Organized session » OS3 How should we deal with the frequent damage to embankments during earthquakes?

How should we deal with the frequent damage to embankments during earthquakes? (1)

How should we deal with the frequent damage to embankments during earthquakes? (2)

How should we deal with the frequent damage to embankments during earthquakes? (3)

[Invited Lecture]

How should we deal with the frequent damage to embankments during earthquakes? (4)

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