Rchr
J-GLOBAL ID：201801018103128085   Update date: Oct. 25, 2024

Otsubo Masahide

オオツボ マサヒデ | Otsubo Masahide
Affiliation and department：
National Institute of Maritime, Port and Aviation Technology Soil Stabilization Group, Port and Airport Research Institute

About National Institute of Maritime, Port and Aviation Technology Soil Stabilization Group, Port and Airport Research Institute


Job title： Senior Researcher
Homepage URL  (2)： https://www.pari.go.jp/ ,  https://www.pari.go.jp/en/
Research field  (1)： Geotechnical engineering
Research keywords  (3)： Geotechnical Engineering ,  Granular Mechanics ,  Soil Mechanics
Research theme for competitive and other funds  (8)：
  • 2024 - 2028 超高間隙構造土の骨格構造の崩壊に伴うせん断抵抗の消失および流動ポテンシャルの評価
  • 2022 - 2027 Developing health monitoring and prediction techniques of soil behaviours based on dynamic wav signals
  • 2020 - 2023 Measurement of shear properties of granular media under extremely low confining stress states aiming at drastic innovation of modelling of liquefaction characteristics of sands
  • 2019 - 2022 The role of particle shape and surface friction on interlocking phenomenon for granular materials
  • 2019 - 2022 Development of 4G soil testing system with NI-NC measurement
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Papers (94)：
  • Sanjei Chitravel, Masahide Otsubo, Reiko Kuwano. The effect of suffusion on small strain shear modulus of gap-graded soil under principal stress rotation. Soils and Foundations. 2024. 64. 6. 101518-101518
  • R. Sukhumkitcharoen, J. Koseki, M. Otsubo. Relationship between void characteristics and re-liquefaction resistance: An image analysis study. Soils and Foundations. 2024. 64. 6. 101506-101506
  • Sanjei Chitravel, Masahide Otsubo, Reiko Kuwano. Hydro-mechanical response of volcanic ash on removal of fines: Shear stiffness to critical state mechanics. Soils and Foundations. 2024. 64. 4. 101478-101478
  • Itsuki Sato, Reiko Kuwano, Masahide Otsubo. Contractancy and shear behavior of extremely loose structure soils with particle breakage in saturated and unsaturated conditions. E3S Web of Conferences, 8th International Symposium on Deformation Characteristics of Geomaterials (IS-Porto 2023). 2024. 544. 14008-14008
  • Masahide Otsubo, Yang Li, Reiko Kuwano. Sensitivity of G0 and stress-strain relation of geomaterials to grain shape and surface roughness. E3S Web of Conferences, 8th International Symposium on Deformation Characteristics of Geomaterials (IS-Porto 2023). 2024. 544. 05006-05006
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MISC (117)：
  • 大坪 正英, 三浦 裕太, 谷本 俊輔, 石原 雅規, 佐々木 哲也. 液状化に対する堤体直下の浮き型固化改良工 - 透水性および発生応力に関する考察. 令和6年度土木学会全国大会第79回年次学術講演会. 2024. CS10-131
  • 三浦 裕太, 大坪 正英, 谷本 俊輔, 佐々木 哲也. 液状化による被災履歴を有する河川堤防における常時微動測定の試み. 令和6年度土木学会全国大会第79回年次学術講演会. 2024. CS10-58
  • 谷本 俊輔, 大坪 正英, 佐々木 哲也. 振動式コーン試験の計測データに対するプローブの形状の影響. 令和6年度土木学会全国大会第79回年次学術講演会. 2024. III-140
  • 大坪 正英, 三浦 裕太, 谷本 俊輔, 石原 雅規, 佐々木 哲也. 堤体直下の浮き型固化改良工に及ぼす液状化に伴う側方流動の影響. 第59回地盤工学研究会. 2024. 23-12-4-03
  • 橋本 拓幸, 大坪 正英, 桑野 玲子. ねじりせん断を受けた人工軽石の粒子内間隙比と粒子形態の評価. 第59回地盤工学研究会. 2024. DS-3-02
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Lectures and oral presentations  (40)：
  • 堤体直下の浮き型固化改良工に及ぼす液状化に伴う側方流動の影響
    (第59回地盤工学研究発表会 2024)
  • Centrifuge tests on river levee protection by partial reinforcement of underlying liquefiable subsoil
    (8th International Conference on Earthquake Geotechnical Engineering 2024)
  • Development of a novel vibratory cone probe for in-situ liquefaction assessment
    (8th International Conference on Earthquake Geotechnical Engineering 2024)
  • 堤体直下の固化改良深度と液状化対策効果に関する遠心模型実験
    (第11回 河川堤防技術シンポジウム 2024)
  • 解析・実験によるせん断波伝播現象の知見
    (弾性波速度計測による室内土質物性評価に関するワークショップ・講習会~基礎理論から試験室への導入まで~ 2024)
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Education (4)：
  • 2013 - 2017 Imperial College London Faculty of Engineering Department of Civil and Environmental Engineering (PhD Programme)
  • 2013 - 2013 The University of Tokyo The Graduate School of Engineering Department of Civil Engineering Doctoral course
  • 2011 - 2013 The University of Tokyo The Graduate School of Engineering Department of Civil Engineering Master's course
  • 2007 - 2011 Kyushu Institute of Technology Faculty of Engineering Department of Civil Engineering
Professional career (1)：
  • PhD (Imperial College London)
Work history (3)：
  • 2024/04 - 現在 National Institute of Maritime, Port and Aviation Technology Soil Stabilization Group, Port and Airport Research Institute Senior Researcher
  • 2022/04 - 2024/03 Public Works Research Institute Soil Mechanics and Dynamics Research Team Senior Researcher
  • 2017/04 - 2022/03 The University of Tokyo Institute of Industrial Science Assistant Professor / Research Associate
Committee career (13)：
  • 2022/12 - 現在 Institute of Industrial Science, the University of Tokyo Research Fellow
  • 2021/02 - 現在 The Japanese Geotechnical Society International affairs department, member
  • 2019/07 - 現在 The Japanese Geotechnical Society TC105 Domestic committee member
  • 2019/05 - 現在 The Japanese Geotechnical Society TC101 Domestic committee member
  • 2023/06 - 2024/03 The Japanese Geotechnical Society W.G. on the 20th anniversary of the establishment of the JGS Kanto Branch and the 100th Anniversary of the Great Kanto Earthquake
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Awards (12)：
  • 2024/09 - The Japanese Geotechnical Society Best Paper Presentation Award for Young Researcher 2024
  • 2022/08 - Soils and Foundation 2021 Editorial Board Member Award
  • 2021/08 - The Japanese Geotechnical Society Best Paper Presentation Award for Young Researcher 2021
  • 2019/12 - Organising committee of USMCA2019 (The 19th Urban Safety of Mega Cities in Asia) Best Young Research Award Micromechanical insight into stability of subsurface cavity
  • 2019/12 - Local organising committee of 9AYGEC (9th Asian Young Geotechnical Engineers Conference) Best Paper Award Anisotropy of shear wave velocity : Role of grain shape
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Association Membership(s) (2)：
JAPAN SOCIETY OF CIVIL ENGINEERS ,  THE JAPANESE GEOTECHNICAL SOCIETY
※ Researcher’s information displayed in J-GLOBAL is based on the information registered in researchmap. For details, see here.

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