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Otsubo Masahide  大坪 正英

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OTSUBO MASAHIDE  大坪 正英

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Researcher Number 80804103
Other IDs
Affiliation (Current) 2022: 国立研究開発法人土木研究所, 土木研究所(つくば中央研究所), 主任研究員
Affiliation (based on the past Project Information) *help 2022: 国立研究開発法人土木研究所, 土木研究所(つくば中央研究所), 主任研究員
2017 – 2021: 東京大学, 生産技術研究所, 助教
Review Section/Research Field
Principal Investigator
Basic Section 22030:Geotechnical engineering-related / Geotechnical engineering
Except Principal Investigator
Basic Section 22030:Geotechnical engineering-related / Medium-sized Section 22:Civil engineering and related fields
Keywords
Principal Investigator
個別要素法 / 波動伝播 / 地盤陥没 / 模型実験 / 地盤工学 / 地中空洞 / アーチ効果 / 粒状体 / 粒子間付着力 / 土質力学 … More / 数値解析 / アーチ機構 / 粒子形状 / 地盤剛性 / 室内試験 / 内部侵食 / 地中波動伝播 / 地盤挙動 / 液状化 / 砂質土 … More
Except Principal Investigator
地盤工学 / 室内土質試験 / 地盤材料 / 力学特性 / 地盤陥没 / 空洞 / 内部侵食 / 水みち / 液状化 / 粒状体 / 微視的挙動 / 巨視的挙動 Less
  • Research Projects

    (6 results)
  • Research Products

    (83 results)
  • Co-Researchers

    (7 People)
  •  Developing health monitoring and prediction techniques of soil behaviours based on dynamic wave signalsPrincipal Investigator

    • Principal Investigator
      大坪 正英
    • Project Period (FY)
      2022 – 2026
    • Research Category
      Grant-in-Aid for Early-Career Scientists
    • Review Section
      Basic Section 22030:Geotechnical engineering-related
    • Research Institution
      Public Works Research Institute
  •  Measurement of shear properties of granular media under extremely low confining stress states aiming at drastic innovation of modelling of liquefaction characteristics of sands

    • Principal Investigator
      古関 潤一
    • Project Period (FY)
      2020 – 2022
    • Research Category
      Grant-in-Aid for Challenging Research (Pioneering)
    • Review Section
      Medium-sized Section 22:Civil engineering and related fields
    • Research Institution
      The University of Tokyo
  •  Enhanced analysis of elastic wave propagation and development of soil health monitoring systemPrincipal Investigator

    • Principal Investigator
      OTSUBO MASAHIDE
    • Project Period (FY)
      2019 – 2021
    • Research Category
      Grant-in-Aid for Early-Career Scientists
    • Review Section
      Basic Section 22030:Geotechnical engineering-related
    • Research Institution
      The University of Tokyo
  •  Development of 4G soil testing system with NI-NC measurement

    • Principal Investigator
      Nishimura Satoshi
    • Project Period (FY)
      2019 – 2021
    • Research Category
      Grant-in-Aid for Scientific Research (B)
    • Review Section
      Basic Section 22030:Geotechnical engineering-related
    • Research Institution
      Hokkaido University
  •  Study on the formation and expansion of subsurface cavity due to internal erosion and evaluation of potential risk of ground cave-in

    • Principal Investigator
      桑野 玲子
    • Project Period (FY)
      2019 – 2022
    • Research Category
      Grant-in-Aid for Scientific Research (B)
    • Review Section
      Basic Section 22030:Geotechnical engineering-related
    • Research Institution
      The University of Tokyo
  •  Experimental and numerical assessment of sinkhole formation and evaluation of cavity growthPrincipal Investigator

    • Principal Investigator
      OTSUBO MASAHIDE
    • Project Period (FY)
      2017 – 2018
    • Research Category
      Grant-in-Aid for Research Activity Start-up
    • Research Field
      Geotechnical engineering
    • Research Institution
      The University of Tokyo

All 2022 2021 2020 2019 2018

All Journal Article Presentation

  • [Journal Article] Interpretation of static and dynamic Young’s modulus and Poisson’s ratio of granular assemblies under shearing2022

    • Author(s)
      Li Yang、Otsubo Masahide、Kuwano Reiko
    • Journal Title

      Computer and Geotechnics

      Volume: 142 Pages: 104560-104560

    • DOI

      10.1016/j.compgeo.2021.104560

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-19K15084, KAKENHI-PROJECT-19H02230
  • [Journal Article] Anisotropy in small strain shear modulus of granular materials: effects of particle properties and experimental conditions2022

    • Author(s)
      Liu J.、Otsubo M.、Kawaguchi Y.、Kuwano R.
    • Journal Title

      Soils and Foundations

      Volume: 62 Pages: 101105-101105

    • DOI

      10.1016/j.sandf.2021.101105

    • Peer Reviewed / Open Access
    • Data Source
      KAKENHI-PROJECT-19K15084, KAKENHI-PROJECT-19H02230
  • [Journal Article] Transition of gap-graded soil fabric - shear wave measurements and dispersion relation2022

    • Author(s)
      Li Yang、Otsubo Masahide、Ghaemi Arian、Dutta Troyee Tanu、Kuwano Reiko
    • Journal Title

      Soils and Foundations

      Volume: 62 Pages: 101092-101092

    • DOI

      10.1016/j.sandf.2021.101092

    • Peer Reviewed / Open Access
    • Data Source
      KAKENHI-PROJECT-19K15084, KAKENHI-PROJECT-19H02230
  • [Journal Article] DEM analysis on the stress wave response of spherical particle assemblies under triaxial compression2021

    • Author(s)
      Li Yang、Otsubo Masahide、Kuwano Reiko
    • Journal Title

      Computer and Geotechnics

      Volume: 133 Pages: 104043-104043

    • DOI

      10.1016/j.compgeo.2021.104043

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-19K15084, KAKENHI-PROJECT-19H02230
  • [Journal Article] Microscopic investigation into liquefaction resistance of pre-sheared sand2021

    • Author(s)
      Morimoto, T., Otsubo, M. and Koseki, J.
    • Journal Title

      Soils and Foundations

      Volume: 61 (2) Pages: 335-351

    • DOI

      10.1016/j.sandf.2020.12.008

    • Peer Reviewed / Open Access
    • Data Source
      KAKENHI-PROJECT-20K20538
  • [Journal Article] Experimental study on stiffness degradation and monotonic response of reconstituted volcanic ash induced by internal erosion2021

    • Author(s)
      Chitravel Sanjei、Otsubo Masahide、Kuwano Reiko
    • Journal Title

      Soils and Foundations

      Volume: 61 Pages: 1431-1452

    • DOI

      10.1016/j.sandf.2021.08.003

    • Peer Reviewed / Open Access
    • Data Source
      KAKENHI-PROJECT-19H02231
  • [Journal Article] Using geophysical data to quantify stress transmission in gap-graded granular materials2021

    • Author(s)
      Otsubo Masahide、Kuwano Reiko、O'Sullivan Catherine、Shire Thomas
    • Journal Title

      Geotechnique

      Volume: - Pages: 1-18

    • DOI

      10.1680/jgeot.19.p.334

    • Peer Reviewed / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-19K15084
  • [Journal Article] Surface-wave survey at a ground cave-in site in Abira town, Hokkaido2021

    • Author(s)
      唐崎遥平、桑野玲子、大坪正英
    • Journal Title

      Bimonthly Journal of Institute of Industrial Science, University of Tokyo

      Volume: 73 Issue: 5 Pages: 367-369

    • DOI

      10.11188/seisankenkyu.73.367

    • NAID

      130008123203

    • ISSN
      0037-105X, 1881-2058
    • Language
      Japanese
    • Open Access
    • Data Source
      KAKENHI-PROJECT-19H02231
  • [Journal Article] Effect of shearing history on stress wave velocities of sands observed in triaxial compression tests2021

    • Author(s)
      Dutta T.T.、Otsubo M.、Kuwano R.
    • Journal Title

      Soils and Foundations

      Volume: 61 Pages: 541-548

    • DOI

      10.1016/j.sandf.2021.02.002

    • Peer Reviewed / Open Access
    • Data Source
      KAKENHI-PROJECT-19K15084, KAKENHI-PROJECT-19H02230
  • [Journal Article] Stress wave transmission and frequency-domain responses of gap-graded cohesionless soils2021

    • Author(s)
      Dutta T.T.、Otsubo M.、Kuwano R.
    • Journal Title

      Soil and Foundations

      Volume: 61 Pages: 857-873

    • DOI

      10.1016/j.sandf.2021.03.003

    • Peer Reviewed / Open Access
    • Data Source
      KAKENHI-PROJECT-19K15084, KAKENHI-PROJECT-19H02230
  • [Journal Article] An experimental study on small suction of sand particles and its contribution to the stability of cavity2021

    • Author(s)
      横山大智, 桑野玲子, 大坪正英, 久野洵
    • Journal Title

      Bimonthly Journal of Institute of Industrial Science, University of Tokyo

      Volume: 73 Issue: 5 Pages: 359-362

    • DOI

      10.11188/seisankenkyu.73.359

    • NAID

      130008123200

    • ISSN
      0037-105X, 1881-2058
    • Language
      Japanese
    • Open Access
    • Data Source
      KAKENHI-PROJECT-19H02231
  • [Journal Article] Evolution of shear wave velocity during triaxial compression2020

    • Author(s)
      Dutta T.T.、Otsubo M.、Kuwano R.、O'Sullivan C.
    • Journal Title

      Soils and Foundations

      Volume: 60 Pages: 1357-1370

    • DOI

      10.1016/j.sandf.2020.07.008

    • Peer Reviewed / Open Access / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-19K15084, KAKENHI-PROJECT-19H02230
  • [Journal Article] An experimental study on the influence of particle shape on the mechanical behaviour of granular materials2020

    • Author(s)
      Y. Li, M. Otsubo, R. Kuwano
    • Journal Title

      Bimonthly Journal of Institute of Industrial Science, University of Tokyo

      Volume: 72 Issue: 6 Pages: 391-395

    • DOI

      10.11188/seisankenkyu.72.391

    • NAID

      130007957052

    • ISSN
      0037-105X, 1881-2058
    • Language
      English
    • Peer Reviewed / Open Access
    • Data Source
      KAKENHI-PROJECT-19H02230
  • [Journal Article] Laboratory element tests on dynamic responses of gap-graded silica sand2020

    • Author(s)
      大坪 正英, デュッタ トロイー タヌ, ガエム アリアン, リ ヤン, 桑野 玲子
    • Journal Title

      Bimonthly Journal of Institute of Industrial Science, University of Tokyo

      Volume: 72 Issue: 6 Pages: 387-390

    • DOI

      10.11188/seisankenkyu.72.387

    • NAID

      130007957049

    • ISSN
      0037-105X, 1881-2058
    • Language
      Japanese
    • Peer Reviewed / Open Access
    • Data Source
      KAKENHI-PROJECT-19H02230
  • [Journal Article] 地中空洞まわりの応力伝達経路の影響を考慮したDEM弾性波伝播解析2020

    • Author(s)
      中田祐輔、ウマイル アリ、桑野玲子、大坪正英
    • Journal Title

      生産研究

      Volume: 72 Pages: 397-400

    • NAID

      130007957053

    • Open Access
    • Data Source
      KAKENHI-PROJECT-19H02231
  • [Journal Article] Anisotropy of elastic wave velocity influenced by particle shape and fabric anisotropy under K0 condition2020

    • Author(s)
      Otsubo Masahide、Liu Junming、Kawaguchi Yuichiro、Dutta Troyee Tanu、Kuwano Reiko
    • Journal Title

      Computers and Geotechnics

      Volume: 128 Pages: 103775-103775

    • DOI

      10.1016/j.compgeo.2020.103775

    • Peer Reviewed / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-19K15084
  • [Journal Article] Estimating multidirectional stiffness of soils using planar piezoelectric transducers in a large triaxial apparatus2020

    • Author(s)
      Dutta T.T.、Otsubo M.、Kuwano R.、Sato T.
    • Journal Title

      Soils and Foundations

      Volume: 60 Pages: 1269-1286

    • DOI

      10.1016/j.sandf.2020.08.002

    • Peer Reviewed / Open Access / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-19K15084, KAKENHI-PROJECT-19H02230
  • [Journal Article] Particle-scale insight into soil arching under trapdoor condition2020

    • Author(s)
      Ali,U. Otsubo, M., Ebizuka,H. & Kuwano,R.
    • Journal Title

      Soil and Foundations

      Volume: 60 Pages: 1171-1188

    • DOI

      10.1016/j.sandf.2020.06.011

    • Peer Reviewed / Open Access
    • Data Source
      KAKENHI-PROJECT-19H02231
  • [Journal Article] Suction-Tension model for verifying ground cavity formation using discrete element method2019

    • Author(s)
      Umair Ali, Masahide Otsubo, Reiko Kuwano
    • Journal Title

      Proceedings of 15th International Conference on Geotechnical Engineering

      Volume: - Pages: 306-313

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-19K15084
  • [Journal Article] Stress wave velocity in soils: Apparent grain-size effect and optimum input frequencies2019

    • Author(s)
      Troyee Tanu Dutta, Masahide Otsubo, Reiko Kuwano, Catherine O'Sullivan
    • Journal Title

      Geotechnique Letters

      Volume: 9(4) Pages: 340-347

    • DOI

      10.1680/jgele.18.00219

    • Peer Reviewed / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-19K15084, KAKENHI-PROJECT-19H02230
  • [Journal Article] A fundamental study on dynamic wave propagation in the soil around a cavity2019

    • Author(s)
      Yusuke, Nakata, Reiko, Kuwano, Masahide Otsubo, Umair Ali
    • Journal Title

      18th International Symposium on New Technologies For Urban Safety of Mega Cities in Asia (USMCA)

      Volume: - Pages: 128-135

    • Data Source
      KAKENHI-PROJECT-19K15084
  • [Journal Article] A study on arching mechanism in trapdoor model test and equivalent discrete element simulations2019

    • Author(s)
      Umair Ali, Masahide Otsubo
    • Journal Title

      The 16th Asian Regional Conference on Soil Mechanics and Geotechnical Engineering (16ARC)

      Volume: -

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-19K15084
  • [Journal Article] Particle-scale insight into transitional behaviour of gap-graded materials: small-strain stiffness and frequency response2019

    • Author(s)
      Masahide Otsubo, Troyee Tanu Dutta, Manushak Durgalian, Reiko Kuwano, Catherine O'Sullivan
    • Journal Title

      E3S Web of Conferences, 7th International Symposium on Deformation Characteristics of Geomaterials (IS-Glasgow 2019)

      Volume: 92(14006)

    • DOI

      10.1051/e3sconf/20199214006

    • Peer Reviewed / Open Access / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-19K15084
  • [Journal Article] Anisotropy of shear wave velocity : Role of grain shape2019

    • Author(s)
      Masahide Otsubo, Junming Liu, Troyee Tanu Duuta, Yuichiro Kawaguchi, Reiko Kuwano
    • Journal Title

      Proceedings of 9th Asian Young Geotechnical Engineers Conference

      Volume: - Pages: 116-122

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-19K15084
  • [Journal Article] Development of vertical and horizontal disk transducers for wave velocity measurements in a large rectangular specimen2019

    • Author(s)
      Troyee Tanu Dutta, Masahide Otsubo, Reiko Kuwano, Takeshi Sato
    • Journal Title

      E3S Web of Conferences, 7th International Symposium on Deformation Characteristics of Geomaterials (IS-Glasgow 2019)

      Volume: 92(02001)

    • DOI

      10.1051/e3sconf/20199202001

    • Peer Reviewed / Open Access
    • Data Source
      KAKENHI-PROJECT-19K15084
  • [Journal Article] Assessment of elastic wave velocities through granular soils during monotonic loading2019

    • Author(s)
      Troyee Tanu Dutta, Masahide Otsubo
    • Journal Title

      The 16th Asian Regional Conference on Soil Mechanics and Geotechnical Engineering (16ARC)

      Volume: -

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-19K15084
  • [Presentation] Relating dynamic properties of gap-graded soils to the stress transmission in soil fabric2022

    • Author(s)
      Masahide Otsubo, Arian Ghaemi, Yang Li, Troyee Tanu Dutta, Reiko Kuwano
    • Organizer
      The 7th International Young Geotechnical Engineers Conference (7iYGEC)
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-19K15084
  • [Presentation] Effects of particle shape and orientation on anisotropy of granular materials observed in elastic wave velocities2022

    • Author(s)
      Junming Liu, Masahide Otsubo, Yuichiro Kawaguchi, Reiko Kuwano
    • Organizer
      The 20th International Conference on Soil Mechanics and Geotechnical Engineering (ICMGE2022)
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-19K15084
  • [Presentation] Influence of soil arching and loosening around a subsurface cavity on wave propagation2022

    • Author(s)
      Yusuke Nakata, Umair Ali, Masahide Otsubo, Reiko Kuwano
    • Organizer
      The 20th International Conference on Soil Mechanics and Geotechnical Engineering (ICMGE2022)
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-19K15084
  • [Presentation] The Influence of Particle Orientation on the Anisotropy of Shear Wave Velocity Observed in Elongated Particles2021

    • Author(s)
      Liu J., Otsubo M. & Kuwano R.
    • Organizer
      土木学会第76回年次学術講演会
    • Data Source
      KAKENHI-PROJECT-19H02230
  • [Presentation] 局所的なゆるみを有する地盤内の弾性波伝播に関する個別要素法解析2021

    • Author(s)
      中田祐輔、桑野玲子、大坪正英
    • Organizer
      土木学会第76回年次学術講演会
    • Data Source
      KAKENHI-PROJECT-19H02231
  • [Presentation] The influence of particle orientation on the anisotropy of shear wave velocity observed in elongated particles2021

    • Author(s)
      Junming Liu, 大坪正英, 桑野玲子
    • Organizer
      土木学会第76回年次学術講演会
    • Data Source
      KAKENHI-PROJECT-19K15084
  • [Presentation] Stress Wave Response of Spherical Granular Assemblies During Triaxial Compression: A DEM Case Study2021

    • Author(s)
      Li, Y., Otsubo, M. and Kuwano,R.
    • Organizer
      土木学会第76回年次学術講演会
    • Data Source
      KAKENHI-PROJECT-19H02230
  • [Presentation] 三軸せん断におけるガラスビーズ材料の動的特性に関する表面粗度の影響2021

    • Author(s)
      Li Yang, 大坪 正英, 桑野 玲子
    • Organizer
      第56回地盤工学研究発表会
    • Data Source
      KAKENHI-PROJECT-19K15084
  • [Presentation] 粒状体の剛性計測に現れる異方性 - 境界条件の影響2021

    • Author(s)
      Liu Junming, 大坪正英, 桑野玲子
    • Organizer
      第56回地盤工学研究発表会
    • Data Source
      KAKENHI-PROJECT-19K15084
  • [Presentation] 砂の弾性波伝播特性に及ぼす粒径と粒度の影響2021

    • Author(s)
      大坪正英, Yang Li, Dutta Troyee Tanu, 桑野玲子
    • Organizer
      土木学会第76回年次学術講演会
    • Data Source
      KAKENHI-PROJECT-19K15084
  • [Presentation] Stress wave responses of spherical granular assemblies during triaxial compression: a DEM case study2021

    • Author(s)
      Yang Li, 大坪正英, 桑野玲子
    • Organizer
      土木学会第76回年次学術講演会
    • Data Source
      KAKENHI-PROJECT-19K15084
  • [Presentation] 模型実験で観察された砂地盤内の空洞の発達過程と陥没メカニズム2021

    • Author(s)
      桑野玲子、大坪正英、Li Yang, Chitravel Sanjei, Liu Junming、横山大智、唐崎遥平
    • Organizer
      第56回地盤工学研究発表会
    • Data Source
      KAKENHI-PROJECT-19H02231
  • [Presentation] 局所的なゆるみを有する地盤内の弾性波伝播に関する個別要素法解析2021

    • Author(s)
      中田祐輔, 桑野玲子, 大坪正英
    • Organizer
      土木学会第76回年次学術講演会
    • Data Source
      KAKENHI-PROJECT-19K15084
  • [Presentation] 粒状体の剛性計測に現れる異方性・境界条件の影響2021

    • Author(s)
      Liu,Junming・大坪正英・桑野玲子
    • Organizer
      第56回地盤工学研究発表会
    • Data Source
      KAKENHI-PROJECT-19H02230
  • [Presentation] Effect of locally loosened soil on wave propagation2021

    • Author(s)
      Masahide Otsubo, Yusuke Nakata, Umair Ali, Reiko Kuwano
    • Organizer
      The 6th International conference on geotechnical and geophysical site characterisation (ISC’6)
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-19K15084
  • [Presentation] せん断波速度に現れる粒状体の異方性と粒子形状の関係2020

    • Author(s)
      Junming Liu, 川口 勇一郎, 大坪 正英, 桑野 玲子
    • Organizer
      第55回地盤工学研究発表会
    • Data Source
      KAKENHI-PROJECT-19H02230
  • [Presentation] 地中空洞周りのアーチング及びゆるみの影響を考慮したDEM弾性波伝播解析2020

    • Author(s)
      中田祐輔, 大坪正英, 桑野玲子
    • Organizer
      第55回地盤工学研究発表会
    • Data Source
      KAKENHI-PROJECT-19H02231
  • [Presentation] 地中空洞周りのアーチング及びゆるみの影響を考慮したDEM弾性波伝播解析2020

    • Author(s)
      中田 祐輔, 桑野 玲子, 大坪 正英
    • Organizer
      第55回地盤工学研究発表会
    • Data Source
      KAKENHI-PROJECT-19K15084
  • [Presentation] The anisotropy of shear wave velocity observed for elongated particles2020

    • Author(s)
      Junming Liu , Masahide Otsubo , Yuichiro Kawaguchi , Reiko Kuwano
    • Organizer
      土木学会第75回年次学術講演会
    • Data Source
      KAKENHI-PROJECT-19K15084
  • [Presentation] ギャップグレード硅砂の弾性波応答特性に関する実験的研究2020

    • Author(s)
      大坪 正英, Arian Ghaemi, 桑野 玲子
    • Organizer
      第55回地盤工学研究発表会
    • Data Source
      KAKENHI-PROJECT-19H02230
  • [Presentation] ギャップグレード硅砂の弾性波応答特性に関する実験的研究2020

    • Author(s)
      大坪 正英, Arian Ghaemi, 桑野 玲子
    • Organizer
      第55回地盤工学研究発表会
    • Data Source
      KAKENHI-PROJECT-19K15084
  • [Presentation] 全方向ディスクトランスデューサー及びロードセルを搭載した立方体土槽の開発2020

    • Author(s)
      川口勇一郎, 桑野玲子, 大坪正英
    • Organizer
      第55回地盤工学研究発表会
    • Data Source
      KAKENHI-PROJECT-19K15084
  • [Presentation] Effects of particle shape and roughness on mechanical responses of granular materials in triaxial tests2020

    • Author(s)
      Yang Li, Masahide Otsubo, Reiko Kuwano
    • Organizer
      土木学会第75回年次学術講演会
    • Data Source
      KAKENHI-PROJECT-19K15084
  • [Presentation] Effects of particle shape and roughness on mechanical responses of granular materials in triaxial tests2020

    • Author(s)
      Yang Li, Masahide Otsubo, Reiko Kuwano
    • Organizer
      土木学会第75回年次学術講演会
    • Data Source
      KAKENHI-PROJECT-19H02230
  • [Presentation] せん断波速度に現れる粒状体の異方性と粒子形状の関係2020

    • Author(s)
      Junming Liu, 川口 勇一郎, 大坪 正英, 桑野 玲子
    • Organizer
      第55回地盤工学研究発表会
    • Data Source
      KAKENHI-PROJECT-19K15084
  • [Presentation] 個別要素法解析による粒状体地盤材料の弾性波速度異方性に関する基礎的研究2019

    • Author(s)
      大坪正英, 川口勇一郎, Troyee Tanu Dutta, 劉俊銘, 桑野玲子
    • Organizer
      土木学会第74回年次学術講演会(高松)
    • Data Source
      KAKENHI-PROJECT-19K15084
  • [Presentation] 弾性波周波数解析に基づく細粒分骨格構造寄与度の評価2019

    • Author(s)
      大坪正英, 桑野玲子, Troyee Tanu Dutta, Manushak Durgalian, Catherine O'Sullivan
    • Organizer
      第54回地盤工学研究発表会(埼玉)
    • Data Source
      KAKENHI-PROJECT-19K15084
  • [Presentation] Assessment of elastic wave velocities through granular soils during monotonic loading2019

    • Author(s)
      Troyee Tanu Dutta, Masahide Otsubo
    • Organizer
      The 16th Asian Regional Conference on Soil Mechanics and Geotechnical Engineering (16ARC)
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-19K15084
  • [Presentation] Experimental Investigation on Mechanism of Internal Erosion and Development of Underground Cavities2019

    • Author(s)
      Kuwano,R., Santa, L. Bedja, M. Otsubo, M. and Ohara,Y.
    • Organizer
      7th International Symposium on Deformation Characteristics of Geomaterials, IS Glasgow2019
    • Invited / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-19H02231
  • [Presentation] A novel test setup for assessing multidirectional small-strain stiffness of a large rectangular specimen using disk transducers2019

    • Author(s)
      Troyee Tanu Dutta, 大坪正英, 桑野玲子, Manushak Durgalian, 佐藤剛司
    • Organizer
      第54回地盤工学研究発表会(埼玉)
    • Data Source
      KAKENHI-PROJECT-19K15084
  • [Presentation] 地中空洞周りの波動伝播特性に関する個別要素法解析2019

    • Author(s)
      中田 祐輔, 桑野 玲子, 大坪 正英
    • Organizer
      土木学会第74回年次学術講演会
    • Data Source
      KAKENHI-PROJECT-17H06613
  • [Presentation] Discrete element modelling of elastic wave propagation through granular materials for laboratory shear plate tests2019

    • Author(s)
      Masahide Otsubo, Troyee Tanu Dutta, Yuichiro Kawaguchi, Reiko Kuwano, Catherine O’Sullivan
    • Organizer
      8th International Conference on Discrete Element Methods (DEM8)
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-19K15084
  • [Presentation] Micromechanical insight into stability of subsurface cavity2019

    • Author(s)
      Masahide Otsubo, Umair Ali, Reiko Kuwano
    • Organizer
      18th International Symposium on New Technologies For Urban Safety of Mega Cities in Asia (USMCA)
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-19K15084
  • [Presentation] Anisotropy of shear wave velocity : Role of grain shape2019

    • Author(s)
      Masahide Otsubo, Junming Liu, Troyee Tanu Duuta, Yuichiro Kawaguchi, Reiko Kuwano
    • Organizer
      9th Asian Young Geotechnical Engineers Conference
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-19K15084
  • [Presentation] Development of cubic soil chamber fitted with multi-directional disk transducers2019

    • Author(s)
      Yuichiro Kawaguchi, Masahide Otsubo, Reiko Kuwano
    • Organizer
      18th International Symposium on New Technologies For Urban Safety of Mega Cities in Asia (USMCA)
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-19K15084
  • [Presentation] 全方向ディスクトランスデューサーを搭載した立方体土槽の開発2019

    • Author(s)
      川口勇一郎, 大坪正英, Troyee Tanu Dutta, 桑野玲子
    • Organizer
      土木学会第74回年次学術講演会(高松)
    • Data Source
      KAKENHI-PROJECT-19K15084
  • [Presentation] 弾性波伝播特性における地盤内空洞の影響に関する基礎的検討2019

    • Author(s)
      中田祐輔, 桑野玲子, 大坪正英
    • Organizer
      第54回地盤工学研究発表会(埼玉)
    • Data Source
      KAKENHI-PROJECT-19K15084
  • [Presentation] A study on arching mechanism in trapdoor model test and equivalent discrete element simulations2019

    • Author(s)
      Umair Ali, Masahide Otsubo
    • Organizer
      The 16th Asian Regional Conference on Soil Mechanics and Geotechnical Engineering (16ARC)
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-17H06613
  • [Presentation] A study on arching mechanism in trapdoor model test and equivalent discrete element simulations2019

    • Author(s)
      Umair Ali, Masahide Otsubo
    • Organizer
      The 16th Asian Regional Conference on Soil Mechanics and Geotechnical Engineering (16ARC)
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-19K15084
  • [Presentation] Development of vertical and horizontal disk transducers for wave velocity measurements in a large rectangular specimen2019

    • Author(s)
      Troyee Tanu Dutta, Masahide Otsubo, Reiko Kuwano and Takeshi Sato
    • Organizer
      7th International Symposium on Deformation Characteristics of Geomaterials
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-19H02230
  • [Presentation] Implementation of suction-tension model for cavity simulations using DEM2019

    • Author(s)
      Umair Ali, 大坪正英, 桑野玲子
    • Organizer
      第54回地盤工学研究発表会(埼玉)
    • Data Source
      KAKENHI-PROJECT-19K15084
  • [Presentation] 弾性波伝播特性における地盤内空洞の影響に関する基礎的検討2019

    • Author(s)
      中田 祐輔, 大坪 正英, Umair Ali, 桑野 玲子
    • Organizer
      第54回地盤工学研究発表会
    • Data Source
      KAKENHI-PROJECT-17H06613
  • [Presentation] Suction-Tension model for verifying ground cavity formation using discrete element method2019

    • Author(s)
      Umair Ali, Masahide Otsubo, Reiko Kuwano
    • Organizer
      15th International Conference on Geotechnical Engineering
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-19K15084
  • [Presentation] Assessment of elastic wave velocities through granular soils during monotonic loading2019

    • Author(s)
      Troyee Tanu Dutta and Masahide Otsubo
    • Organizer
      The 16th Asian Regional Conference on Soil Mechanics and Geotechnical Engineering
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-19H02230
  • [Presentation] Particle-scale analysis of soil arching during underground cavity formation using suction-tension model in DEM2019

    • Author(s)
      Umair Ali, Masahide Otsubo, Reiko Kuwano
    • Organizer
      8th International Conference on Discrete Element Methods (DEM8)
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-19K15084
  • [Presentation] Effect of median particle size on S-wave velocity and frequency domain responses of granular materials2019

    • Author(s)
      Troyee Tanu Dutta, 大坪正英, 桑野玲子
    • Organizer
      土木学会第74回年次学術講演会(高松)
    • Data Source
      KAKENHI-PROJECT-19K15084
  • [Presentation] A fundamental study on dynamic wave propagation in the soil around a cavity2019

    • Author(s)
      Yusuke, Nakata, Reiko, Kuwano, Masahide Otsubo, Umair Ali
    • Organizer
      18th International Symposium on New Technologies For Urban Safety of Mega Cities in Asia (USMCA)
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-19K15084
  • [Presentation] 地中空洞周りの波動伝播特性に関する個別要素法解析2019

    • Author(s)
      中田祐輔, 大坪正英, Umair Ali, 桑野玲子
    • Organizer
      土木学会第74回年次学術講演会(高松)
    • Data Source
      KAKENHI-PROJECT-19K15084
  • [Presentation] Small-strain characterisation; New tools and multi-dimensional perspective2019

    • Author(s)
      Satoshi Nishimura, Reiko Kuwano and Masahide Otsubo
    • Organizer
      7th International Symposium on Deformation Characteristics of Geomaterials
    • Invited / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-19H02230
  • [Presentation] 弾性波計測技術の高度化に向けたディスクトランスデューサーの最適形状に関する検討2019

    • Author(s)
      川口勇一郎, 桑野玲子, 大坪正英
    • Organizer
      第54回地盤工学研究発表会(埼玉)
    • Data Source
      KAKENHI-PROJECT-19K15084
  • [Presentation] Arch formation during trapdoor tests - Experimental and numerical verification2018

    • Author(s)
      Umair Ali, 大坪 正英, 桑野 玲子
    • Organizer
      第53回地盤工学研究発表会
    • Data Source
      KAKENHI-PROJECT-17H06613
  • [Presentation] Numerical assessment on shear wave propagation through narrowly gap-graded packing2018

    • Author(s)
      Masahide Otsubo, Reiko Kuwano, Catherine O’Sullivan
    • Organizer
      6th European Conference on Computational Mechanics, 7th European Conference on Computational Fluid Dynamics
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-17H06613
  • [Presentation] 地中空洞生成に伴う周辺地盤のゆるみに関する個別要素法解析2018

    • Author(s)
      大坪 正英, Umair Ali, 桑野 玲子
    • Organizer
      土木学会第73回年次学術講演会
    • Data Source
      KAKENHI-PROJECT-17H06613
  • [Presentation] Trapdoor model test and DEM simulation associated with arching2018

    • Author(s)
      Masahide Otsubo, Reiko Kuwano, Umair Ali, Hiroaki Ebizuka
    • Organizer
      9th International Conference on Physical Modelling in Geotechnics 2018
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-17H06613
  • [Presentation] Numerical assessment on shear wave propagation through narrowly gap-graded packing2018

    • Author(s)
      Masahide Otsubo
    • Organizer
      6th European Conference on Computational Mechanics, 7th European Conference on Computational Fluid Dynamics
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-17H06613
  • [Presentation] Trapdoor model test and DEM simulation associated with arching2018

    • Author(s)
      Masahide Otsubo
    • Organizer
      9th International Conference on Physical Modelling in Geotechnics 2018
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-17H06613
  • [Presentation] Verification of trapdoor discrete element method simulation2018

    • Author(s)
      Umair Ali, Masahide Otsubo, Reiko Kuwano
    • Organizer
      6th European Conference on Computational Mechanics, 7th European Conference on Computational Fluid Dynamics
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-17H06613
  • 1.  桑野 玲子 (80312974)
    # of Collaborated Projects: 3 results
    # of Collaborated Products: 35 results
  • 2.  Nishimura Satoshi (70470127)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 1 results
  • 3.  古関 潤一 (30272511)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 1 results
  • 4.  京川 裕之 (60799865)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 5.  竹内 渉 (50451878)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 6.  O'Sullivan Catherine
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 7.  Hanley Kevin J.
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results

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