IWAI Hiromasa 岩井裕正

… Alternative Names

Iwai Hiromasa 岩井裕正

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Researcher Number	80756908
Other IDs
Affiliation (Current)	2025: 京都大学, 工学研究科, 准教授
Affiliation (based on the past Project Information) *help	2022 – 2025: 京都大学, 工学研究科, 准教授 2017 – 2021: 名古屋工業大学, 工学(系)研究科(研究院), 助教
Review Section/Research Field	Principal Investigator Basic Section 22030:Geotechnical engineering-related / Medium-sized Section 22:Civil engineering and related fields / Geotechnical engineering Except Principal Investigator Basic Section 22030:Geotechnical engineering-related / Geotechnical engineering
Keywords	Principal Investigator 海底地すべり / 津波振幅 / 地すべり性津波 / 分岐現象 / 地盤工学 / 海底地盤 / 個別要素法解析 / 初期値鋭敏性 / Micro-polar fluid / 定常状態 … More / 個別要素法 / 力学系理論 / 粒状体流れ / 微小振幅波理論 / エネルギー輸送現象 / 海底地盤工学 / 津波 / 令和6年能登半島地震 / 津波到達時間 / 輸送現象論 / 海底地盤災害 / 海底地すべり津波 / 斜面災害 / 水膜形成 / 海底地盤液状化 / 地すべり運動エネルギー / 模型実験 / 線形安定解析 / クリープ地すべり / 地すべり津波 / メタンハイドレート / 海洋利用 / 二酸化炭素排出削減 / 二酸化炭素ハイドレート / ガスハイドレート含有地盤 / 三軸圧縮試験 / 弾塑性構成式 / 二酸化炭素地中貯留 / CO2ハイドレート … More Except Principal Investigator 地盤工学／地質学の学際的研究 / 弾塑性大規模並列化計算 / 地盤工学/地質学の学際的研究 / デコルマ形成メカニズム / 海底岩盤力学モデル / 学際的研究 / 要素試験 / 数値実験 / 高精度海底岩盤力学モデル / デコルマ / 解析・評価 / 地震工学 / 土壌圏現象 / 地質学 / 海洋工学 Less

CO2ハイドレートのレオロジー特性を活かした海底地すべり高速変形に対する抑制効果Principal Investigator
- Principal Investigator
  
  岩井裕正
- Project Period (FY)
  2025 – 2028
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Review Section
  
  Basic Section 22030:Geotechnical engineering-related
- Research Institution
  Kyoto University
力学系理論で紐解くn体問題としての粒状体の流れ～定常状態からの分岐に着目して～Principal Investigator
- Principal Investigator
  
  岩井裕正
- Project Period (FY)
  2023 – 2025
- Research Category
  
  Grant-in-Aid for Challenging Research (Exploratory)
- Review Section
  
  Medium-sized Section 22:Civil engineering and related fields
- Research Institution
  Kyoto University
High precision modeling for seabed rock mass and its application to clarify the mechanism of decollement formation
- Principal Investigator
  
  張鋒
- Project Period (FY)
  2022 – 2024
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Review Section
  
  Basic Section 22030:Geotechnical engineering-related
- Research Institution
  Kobe University
  Nagoya Institute of Technology
海底面境界の輸送現象論的視点に基づいた海底地すべり－津波励起現象の解明と規模予測Principal Investigator
- Principal Investigator
  
  岩井裕正
- Project Period (FY)
  2022 – 2024
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Review Section
  
  Basic Section 22030:Geotechnical engineering-related
- Research Institution
  Kyoto University
Mechanism of submarine landslide and slide dynamics focusing on water film formation under impermeable layerPrincipal Investigator
- Principal Investigator
  
  Iwai Hiromasa
- Project Period (FY)
  2020 – 2021
- Research Category
  
  Grant-in-Aid for Early-Career Scientists
- Review Section
  
  Basic Section 22030:Geotechnical engineering-related
- Research Institution
  Nagoya Institute of Technology
Trap mechanism of carbon dioxide hydrate stored in deep seabed ground considering phase transitionPrincipal Investigator
- Principal Investigator
  
  Iwai Hiromasa
- Project Period (FY)
  2017 – 2018
- Research Category
  
  Grant-in-Aid for Young Scientists (B)
- Research Field
  
  Geotechnical engineering
- Research Institution
  Nagoya Institute of Technology
High-precision modeling of mechanical behavior of seabed rock from the viewpoints of geoengineering and geology
- Principal Investigator
  
  Feng (Ho) ZHANG (Cho)
- Project Period (FY)
  2017 – 2019
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Research Field
  
  Geotechnical engineering
- Research Institution
  Nagoya Institute of Technology

All 2023 2022 2021 2020 2019 2018 2017

All Journal Article Presentation

[Journal Article] Numerical investigation of dynamic behavior of composite foundation composed of soilbags and piles by 3D elastoplastic FEM2022
- Author(s)
  T. Doi, Y. Murono., H. Iwai and F. Zhang
- Journal Title
  
  Soils and Foundations
  
  Volume: Vol.62 No.3 Issue: 3 Pages: 101158-101158
- DOI
  10.1016/j.sandf.2022.101158
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23K22857
[Journal Article] Model tests and corresponding numerical simulations on cave model subjected to thermo-mechanical loading2022
- Author(s)
  P. Peng, H. Iwai, E. Ohne, Y. Itani and F. Zhang
- Journal Title
  
  Underground Space
  
  Volume: Vol.7 Issue: 2 Pages: 162-183
- DOI
  10.1016/j.undsp.2021.07.003
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23K22857
[Journal Article] Constitutive model for gas hydrate-bearing soils considering different types of hydrate morphology and prediction of strength-band2022
- Author(s)
  Iwai Hiromasa、Kawasaki Takaya、Zhang Feng
- Journal Title
  
  Soils and Foundations
  
  Volume: 62 Issue: 1 Pages: 101103-101103
- DOI
  10.1016/j.sandf.2021.101103
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20K14823, KAKENHI-PROJECT-23K22857
[Journal Article] A LINEAR STABILITY ANALYSIS OF BIFURCATION PHENOMENA OF SUBMARINE LANDSLIDE2021
- Author(s)
  岩井裕正，安井俊平
- Journal Title
  
  Journal of Japan Society of Civil Engineers, Ser. C (Geosphere Engineering)
  
  Volume: 77 Issue: 3 Pages: 283-295
- DOI
  10.2208/jscejge.77.3_283
- NAID
  130008090621
- ISSN
  2185-6516
- Language
  Japanese
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20K14823
[Journal Article] AN EXPERIMENTAL STUDY ON LANDSLIDE KINEMATICS ON A SUBMARINE SLOPE WITH AN IMPERMEABLE LAYER2020
- Author(s)
  安井俊平，岩井裕正，木村真郷，張鋒
- Journal Title
  
  Journal of Japan Society of Civil Engineers, Ser. A2 (Applied Mechanics (AM))
  
  Volume: 76 Issue: 2 Pages: I_313-I_323
- DOI
  10.2208/jscejam.76.2_I_313
- NAID
  130007980169
- ISSN
  2185-4661
- Language
  Japanese
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20K14823
[Journal Article] Rate effect on the stress-strain relations of synthetic carbon dioxide hydrate-bearing sand and dissociation tests by thermal stimulation2018
- Author(s)
  Iwai Hiromasa、Konishi Yota、Saimyou Kazuki、Kimoto Sayuri、Oka Fusao
- Journal Title
  
  Soils and Foundations
  
  Volume: 58 Issue: 5 Pages: 1113-1132
- DOI
  10.1016/j.sandf.2018.05.007
- Peer Reviewed / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-17K14721
[Journal Article] Undrained triaxial compression tests on artificial CO2-hydrate-bearing sand specimens2017
- Author(s)
  Iwai H., Konishi Y., Kimoto S.
- Journal Title
  
  Energy Procedia
  
  Volume: 114C Pages: 3175-3184
- DOI
  10.1016/j.egypro.2017.03.1446
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-17K14721
[Presentation] Submarine Geohazard Risks Associated with Offshore Development - The Case of Submarine Landslide -2023
- Author(s)
  Hiromasa Iwai
- Organizer
  The 5th CICHE-JSCE Joint Workshop
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-23K22858
[Presentation] 海底地すべりの終端速度に関する理論的検討2023
- Author(s)
  岩井裕正
- Organizer
  第58回地盤工学研究発表会
- Data Source
  KAKENHI-PROJECT-23K22858
[Presentation] Pattern classification and creep behavior of submarine landslide motions based on slide kinematics2022
- Author(s)
  Hiromasa Iwai
- Organizer
  3rd International Symposium on Risk Assessment and Sustainable Stability Design of Slopes (ISRSS)
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-20K14823
[Presentation] 海底地すべり運動の初期加速度と励起される津波振幅との関係2021
- Author(s)
  岩井裕正
- Organizer
  令和3年度土木学会全国大会第76回年次学術講演会
- Data Source
  KAKENHI-PROJECT-20K14823
[Presentation] 海底地すべり運動パターン分類の線形安定解析による考察2021
- Author(s)
  岩井裕正
- Organizer
  第56回地盤工学研究発表会
- Data Source
  KAKENHI-PROJECT-20K14823
[Presentation] 海底地すべり性津波に関する基礎的研究2021
- Author(s)
  岩井裕正
- Organizer
  第56回地盤工学研究発表会
- Data Source
  KAKENHI-PROJECT-20K14823
[Presentation] 海底地すべりによって励起される津波特性の基礎的研究2021
- Author(s)
  岩井裕正
- Organizer
  第33回中部地盤工学シンポジウム
- Data Source
  KAKENHI-PROJECT-20K14823
[Presentation] 海底地すべりにおけるクリープ挙動の分岐に関する線形安定解析2020
- Author(s)
  岩井裕正
- Organizer
  第32回中部地盤工学シンポジウム
- Data Source
  KAKENHI-PROJECT-20K14823
[Presentation] 海底地すべりのクリープ破壊挙動に関する考察2020
- Author(s)
  岩井裕正
- Organizer
  第55回地盤工学研究発表会（オンライン）
- Data Source
  KAKENHI-PROJECT-20K14823
[Presentation] A constitutive equation for gas hydrate-containing soils considering hydrate morphology and its transition2019
- Author(s)
  Hiromasa Iwai
- Organizer
  16th Asian Regional Conference on Soil Mechanics and Geotechnical Engineering (16ARC)
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-17K14721
[Presentation] CO2ハイドレート含有地盤におけるモホロジー変化と強度増加メカニズムの関係2019
- Author(s)
  岩井裕正
- Organizer
  第54回地盤工学研究発表会
- Data Source
  KAKENHI-PROJECT-17K14721
[Presentation] A constitutive equation for gas hydrate-containing soils considering hydrate morphology and its transition2019
- Author(s)
  Iwai Hiromasa
- Organizer
  16th Asian Regional Conference on Soil Mechanics and Geotechnical Emgineering
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-17K14721
[Presentation] ガスハイドレート存在形態の違いによる強度増加及びダイレイタンシーの変化2018
- Author(s)
  岩井裕正
- Organizer
  第53回地盤工学研究発表会
- Data Source
  KAKENHI-PROJECT-17K14721
[Presentation] Time-dependent behavior of carbon dioxide hydrate (CDH)-bearing soils2018
- Author(s)
  Iwai Hiromasa
- Organizer
  2018 Civil&Hydraulic Engineers International Forum & CICHE Annual Meeting
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-17K14721
[Presentation] K0条件下で種々の載荷を受ける海洋堆積物試料の力学特性と内部構造変化2018
- Author(s)
  加藤優志，福岡純一, 栗本悠平, 山本由弦，阪口秀, 岩井裕正，張鋒
- Organizer
  地盤工学会研究発表会
- Data Source
  KAKENHI-PROJECT-17H03304
[Presentation] ホロジー変化を考慮した二酸化炭素ハイドレート含有地盤の強度増加メカニズムのモデル化2018
- Author(s)
  岩井裕正
- Organizer
  第21回応用力学シンポジウム
- Data Source
  KAKENHI-PROJECT-17K14721
[Presentation] Constitutive modelling for gas-hydrate-bearing soils considering hydrate morphology2018
- Author(s)
  Iwai Hiromasa
- Organizer
  3rd JSCE-CICHE Joint Workshop
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-17K14721
[Presentation] A constitutive model for gas hydrate-bearing soils considering hydrate morphology2018
- Author(s)
  Iwai Hiromasa
- Organizer
  International Symposium on Energy Geotechnics
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-17K14721
[Presentation] A constitutive model for gas hydrate-bearing soils considering hydrate morphology2018
- Author(s)
  Hiromasa Iwai
- Organizer
  International Symposium on Energy Geotechnics (SEG) 2018
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-17K14721
[Presentation] 間隙中のガスハイドレート存在形態を考慮した地盤強度変形特性のモデル化に関する研究2017
- Author(s)
  岩井裕正
- Organizer
  第9回メタンハイドレート総合シンポジウム
- Data Source
  KAKENHI-PROJECT-17K14721
[Presentation] Macro mechanical behavior and micro structure change of natural depositary soft clay subjected to several Hz of cyclic loading under K0 and isotropic conditions2017
- Author(s)
  Yuhei Kurimoto, Qian Wang, Junichi Fukuoka, Hiromasa Iwai & Feng Zhang, Yuzuru Yamamoto & Hide Sakaguchi
- Organizer
  19th ICSMGE
- Data Source
  KAKENHI-PROJECT-17H03304
[Presentation] ガスハイドレートの存在形態が地盤の強度変形特性に及ぼす影響の考察とそのモデル化2017
- Author(s)
  岩井裕正
- Organizer
  平成29年度土木学会全国大会
- Data Source
  KAKENHI-PROJECT-17K14721

1. Feng (Ho) ZHANG (Cho) (70303691)

# of Collaborated Projects: 2 results

# of Collaborated Products: 4 results
2. 山本由弦 (10435753)

# of Collaborated Projects: 2 results

# of Collaborated Products: 2 results
3. 阪口秀 (10235145)

# of Collaborated Projects: 1 results

# of Collaborated Products: 2 results
4. 神谷奈々 (20886254)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
5. 内藤直人 (10816200)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results

IWAI Hiromasa 岩井 裕正

Iwai Hiromasa 岩井 裕正

Research Projects

Research Products

Co-Researchers

CO2ハイドレートのレオロジー特性を活かした海底地すべり高速変形に対する抑制効果Principal Investigator

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

力学系理論で紐解くn体問題としての粒状体の流れ～定常状態からの分岐に着目して～Principal Investigator

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

High precision modeling for seabed rock mass and its application to clarify the mechanism of decollement formation

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

海底面境界の輸送現象論的視点に基づいた海底地すべり－津波励起現象の解明と規模予測Principal Investigator

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

Mechanism of submarine landslide and slide dynamics focusing on water film formation under impermeable layerPrincipal Investigator

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

Trap mechanism of carbon dioxide hydrate stored in deep seabed ground considering phase transitionPrincipal Investigator

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

High-precision modeling of mechanical behavior of seabed rock from the viewpoints of geoengineering and geology

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

[Journal Article] Numerical investigation of dynamic behavior of composite foundation composed of soilbags and piles by 3D elastoplastic FEM2022

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Model tests and corresponding numerical simulations on cave model subjected to thermo-mechanical loading2022

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Constitutive model for gas hydrate-bearing soils considering different types of hydrate morphology and prediction of strength-band2022

Author(s)

Journal Title

DOI

Data Source

[Journal Article] A LINEAR STABILITY ANALYSIS OF BIFURCATION PHENOMENA OF SUBMARINE LANDSLIDE2021

Author(s)

Journal Title

DOI

NAID

ISSN

Language

Data Source

[Journal Article] AN EXPERIMENTAL STUDY ON LANDSLIDE KINEMATICS ON A SUBMARINE SLOPE WITH AN IMPERMEABLE LAYER2020

Author(s)

Journal Title

DOI

NAID

ISSN

Language

Data Source

[Journal Article] Rate effect on the stress-strain relations of synthetic carbon dioxide hydrate-bearing sand and dissociation tests by thermal stimulation2018

Author(s)

IWAI Hiromasa 岩井裕正

Iwai Hiromasa 岩井裕正

[Presentation] ホロジー変化を考慮した二酸化炭素ハイドレート含有地盤の強度増加メカニズムのモデル化2018