Okui Yoshiaki 奥井義昭

… Alternative Names

奥井義昭オクイヨシアキ

OKUI Yoshiaki 奥井義昭

奥井義和オクイヨシカズ

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Researcher Number	40214051
Affiliation (Current)	2025: 埼玉大学, 理工学研究科, 教授
Affiliation (based on the past Project Information) *help	2025: 埼玉大学, 理工学研究科, 教授 2021 – 2023: 埼玉大学, 理工学研究科, 教授 2009 – 2016: 埼玉大学, 理工学研究科, 教授 2014: 埼玉大学, 大学院理工学研究科, 教授 2012: 埼玉大学, 大学院・理工学研究科, 教授 … More 2010: 埼玉大学, 大学院・理工学研究科, 教授 2008: 埼玉大学, 理工学研究科, 准教授 2007: Saitama University, Dept of Civil Engineering, Associate Professor 2006: 埼玉大学, 大学院理工学研究科, 助教授 1997 – 2005: Saitama University, Engineering, Asso.Prof., 工学部, 助教授 1993 – 1995: 埼玉大学, 工学部, 助教授 Less
Review Section/Research Field	Principal Investigator Structural engineering/Earthquake engineering/Maintenance management engineering / Basic Section 22020:Structure engineering and earthquake engineering-related / 土木材料・力学一般 Except Principal Investigator 構造工学・地震工学 / Structural engineering/Earthquake engineering/Maintenance management engineering / 土木材料・力学一般 / Geotechnical engineering / Natural disaster science
Keywords	Principal Investigator マイクロメカニクス / クリープ / Mullins効果 / 高減衰ゴム / 温度依存性 / 耐震設計 / 荷重シミュレーション / 橋梁の維持管理 / 定期点検 / 耐荷力 … More / 維持管理 / モニタリング / 損傷評価 / トラス橋 / 既設橋維持管理 / 信頼性指標 / ロード・レイティング / 活荷重係数 / リダンダンシー / 振動モニタリング / 実態交通荷重 / 耐荷力評価 / 橋梁維持管理 / long-tem deterioration / elastic wave velocity / fabric tensor / micromechanics / stress corrosion cracking / creep / hard rock / 弾性波速度 / ファブリックテンソル / 応力腐食 / 硬岩 / Microstructure of rubber / Finite strain deformation / Viscoelasticity / Rate dependency / Constitutive model / Hyper elasticity / Natural rubber / High damping rubber / ボイド / ゴム / 超弾性理論 / 粘弾性 / 構成則 / 橋梁免震 / 免震 / 構造工学・地震工学 / ゴム支承 / 免震設計 / 自己発熱 / 非線形粘性 / 免震装置 / 高架橋 / 免震支承 / 耐震構造 / コンクリート … More Except Principal Investigator 斜張橋 / 合成桁 / ケーブル / モード減衰 / クリープ / ERA / Cable-Stayed Bridge / Creep / Modal Damping / 減衰 / Cable-Stayd Bridge / 減衰解析 / 構造工学・地震工学 / マイクロクラック / 脆性材料 / Limit state design method / Performance-based design method / crack width control design / studs / composite hybrid girders / double composite girders / composite girders / 座屈 / ひび割れ / 耐荷力 / 連続桁 / 限界状態設計法 / 性能照査型設計法 / ひび割れ幅制御設計法 / スタッド / 合成ハイブリッド桁 / 2重合成桁 / Substructural Synthesis / Middle-Rise Building / Cable System / Girder Bridge / Energy-Based Evaluation / 制震ビル / 2主桁橋 / 減衰マトリックス / 合成2主桁橋 / エネルギー評価 / 構造システム / 部分構造法 / 中層建物 / ケーブルシステム / 桁橋 / エネルギー的評価 / Strut and Tie Model / Exfoliation / Slip / Bonding Element / Mohr-Coulomb Criterion / Strain Softening / FEM Aanalysis / 梁要素 / スタッドジベル / 摩擦係数 / かぶり / 側圧 / 鋼材とコンクリートの付着特性 / 分散ひび割れモデル / せん断力 / 穴あき鋼板 / ストラット・タイモデル / 剥離 / すべり / 付着要素 / モールクーロン則 / ひずみ軟化 / 有限要素解析 / Cable / Elasto-Plastic Finite Displacement Analysis / Shrinkage / Composite Girder / Structural Damping / Structural Efficiency / 弾塑性有限変位解析 / 乾燥収縮 / 構造減衰 / 合理化 / direct embedding method / design of connection pat / plate with holes / stud shear connector / FEM analysis / loading test / T-shaped rigid frame / hybrid structure / 圧縮ストラット / プレストレス / 複合ラーメン / 複合桁 / 載荷実験 / 直接埋め込み方式 / 接合部の断面設計 / 孔明き鋼板 / スタッドシヤコネクター / FEM解析 / 較荷実験 / T型ラーメン / 鋼コンクリート複合構造 / Microcrack / Failure / Rock / Brittle materials / マイクロメカニックス / クラック / クリープ試験 / マイクロクラック / 破壊 / 岩石 / Damping Analysis / Database / Suspension Bridge / データベース / 吊橋 / DAMPING / DESIGN / DURABILITY / FATIGUE / CABLES / COMPOSITE GIRDERS / LONG-SPAN BRIDGES / CABLE-STAYED BRIDGES / ケーブル振動 / 新形式橋梁 / 合成構造 / 設計 / 耐久性 / 疲労 / 長大橋 / Tuned Mass Damper / Damping / Instability Phenomena / Nonlinear Analysis / Load Carrying Capacity / Cable-Stayd Bridges / 固有振動 / 振動制御 / 有限変位解析 / 座屈耐力 / Wind Tunnel Test / Non-uniform Wind / Galloping / Vortex-Induced Vibration / Rain Vibration / Long Spanned Structure / 耐風設計 / 波動解析 / モード解析 / 空力弾性振動 / ガスト応答 / 風洞実験 / 非一様風 / ギャロッピング / 渦励振 / レインバイブレーション / 斜張橋ケーブル / 長スパン構造物 / 亀裂 / PC橋 / 高減衰ゴム支承 / model updating / 腐食 / 橋梁健全度評価 / 振動減衰 / モニタリング / 土木材料 / 構造工学・維持管理工学 / 局部振動 / 構造冗長性 / 構造工学・地震工堂 / 打撃試験 / 理論モード解析 / 実験モード解析 / 構造健全度 / リダンダンシー / 鋼トラス橋 / 維持管理工学 / 長期安定 / ダメージ / 数値解析モデル / 高圧三軸試験 / 破壊基準 Less

既設橋の目標安全性レベルの提案と維持管理用活荷重係数の検討Principal Investigator
- Principal Investigator
  
  奥井義昭
- Project Period (FY)
  2025 – 2027
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Review Section
  
  Basic Section 22020:Structure engineering and earthquake engineering-related
- Research Institution
  Saitama University
Development of an existing bridge management method based on load ratingPrincipal Investigator
- Principal Investigator
  
  Okui Yoshiaki
- Project Period (FY)
  2021 – 2023
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Review Section
  
  Basic Section 22020:Structure engineering and earthquake engineering-related
- Research Institution
  Saitama University
Development of design procedure for high damping rubber bearings under low temperatures and modeling of Mullins' effectPrincipal Investigator
- Principal Investigator
  
  OKUI Yoshiaki
- Project Period (FY)
  2014 – 2016
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Research Field
  
  Structural engineering/Earthquake engineering/Maintenance management engineering
- Research Institution
  Saitama University
Mechanism of damage-induced local damping and structural health monitoring of bridges based on damping change
- Principal Investigator
  
  YAMAGUCHI Hiroki
- Project Period (FY)
  2011 – 2014
- Research Category
  
  Grant-in-Aid for Scientific Research (A)
- Research Field
  
  Structural engineering/Earthquake engineering/Maintenance management engineering
- Research Institution
  Saitama University
Development of a rheology model of laminated rubber bearings for seismic design: Establishment of design method at low temperaturePrincipal Investigator
- Principal Investigator
  
  OKUI Yoshiaki
- Project Period (FY)
  2010 – 2012
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Structural engineering/Earthquake engineering/Maintenance management engineering
- Research Institution
  Saitama University
Structural redundancy/collapse analysis, dynamic analysis and structural health monitoring of steel truss bridges
- Principal Investigator
  
  YAMAGUCHI Hiroki
- Project Period (FY)
  2008 – 2010
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Research Field
  
  Structural engineering/Earthquake engineering/Maintenance management engineering
- Research Institution
  Saitama University
Development of the most competitive performance-based limit state design method for composite girders
- Principal Investigator
  
  NAGAI Masatsugu
- Project Period (FY)
  2006 – 2007
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Research Field
  
  Structural engineering/Earthquake engineering/Maintenance management engineering
- Research Institution
  Nagaoka University of Technology
Development and verification of a micromechanics-based continuum theory for long-term deterioration of hard rockPrincipal Investigator
- Principal Investigator
  
  OKUI Yoshiaki
- Project Period (FY)
  2004 – 2005
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Structural engineering/Earthquake engineering/Maintenance management engineering
- Research Institution
  Saitama University
クラックの生成・成長による圧縮応力下にある脆性材料の破壊基準に関する研究
- Principal Investigator
  
  ODA Masanobu
- Project Period (FY)
  2002 – 2003
- Research Category
  
  Grant-in-Aid for Exploratory Research
- Research Field
  
  Geotechnical engineering
- Research Institution
  Saitama University
Study on Energy-Based Damping Evaluation of Structural Systems
- Principal Investigator
  
  YAMAGUCHI Hiroki
- Project Period (FY)
  2000 – 2002
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Research Field
  
  構造工学・地震工学
- Research Institution
  Saitama University
Constitutive Modeling for Strain-Rate Dependency of Natural and High Damping RubbersPrincipal Investigator
- Principal Investigator
  
  OKUI Yoshiaki
- Project Period (FY)
  2000 – 2001
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  土木材料・力学一般
- Research Institution
  Saitama University
Establishment of Analytical Methodology for Mechanical,Characteristics of Steel-Concrete Hybrid Structures
- Principal Investigator
  
  MACHIDA Atsuhiko
- Project Period (FY)
  1999 – 2001
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Research Field
  
  土木材料・力学一般
- Research Institution
  Saitama University
Study on Improvement of Structural Efficiency in Long-Span Cable-Stayed Bridges
- Principal Investigator
  
  YAMAGUCHI Hiroki
- Project Period (FY)
  1997 – 1998
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Research Field
  
  構造工学・地震工学
- Research Institution
  Saitama University
Study on time-dependent failure of rock and geological discontinuity under high temperature and pressure.
- Principal Investigator
  
  ODA Masanobu
- Project Period (FY)
  1996 – 1998
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Research Field
  
  Geotechnical engineering
- Research Institution
  Saitama University
Development of Steel-Concrete Hybrid Structures
- Principal Investigator
  
  MACHIDA Atsuhiko
- Project Period (FY)
  1996 – 1997
- Research Category
  
  Grant-in-Aid for Scientific Research (A)
- Research Field
  
  土木材料・力学一般
- Research Institution
  Saitama University
コンクリートの圧縮破壊に対するマイクロメカニクスに基づく連続体理論の研究Principal Investigator
- Principal Investigator
  
  奥井義昭
- Project Period (FY)
  1995
- Research Category
  
  Grant-in-Aid for Encouragement of Young Scientists (A)
- Research Field
  
  土木材料・力学一般
- Research Institution
  Saitama University
Fundamental Study on Analytical Evaluation of Modal Damping in Cable-supported Bridges
- Principal Investigator
  
  YAMAGUCHI Hiroki
- Project Period (FY)
  1994 – 1995
- Research Category
  
  Grant-in-Aid for General Scientific Research (B)
- Research Field
  
  構造工学・地震工学
- Research Institution
  Saitama University
Fundamental Study on Wind-induced Vibrations of Long-Spanned Linelike Structures
- Principal Investigator
  
  ITO Manabu
- Project Period (FY)
  1993 – 1994
- Research Category
  
  Grant-in-Aid for General Scientific Research (B)
- Research Field
  
  Natural disaster science
- Research Institution
  Saitama University
Development of structural countermeasures against instability phenomena of long-span cable-stayd bridges
- Principal Investigator
  
  ITO Manabu
- Project Period (FY)
  1993 – 1994
- Research Category
  
  Grant-in-Aid for Developmental Scientific Research (B)
- Research Field
  
  構造工学・地震工学
- Research Institution
  Saitama University
Development of new cable-stayd systems with economy and high durability
- Principal Investigator
  
  NAGAI Masatsugu
- Project Period (FY)
  1993 – 1994
- Research Category
  
  Grant-in-Aid for Developmental Scientific Research (B)
- Research Field
  
  構造工学・地震工学
- Research Institution
  Nagaoka University of Technology

[Journal Article] System redundancy of steel I‐girder bridges and proposal of a system factor for load rating2023
- Author(s)
  Okui Yoshiaki, Denda Makoto, Kumaki Kazuki, Sakuma Satoshi
- Journal Title
  
  ce/papers
  
  Volume: 6 Issue: 3-4 Pages: 964-969
- DOI
  10.1002/cepa.2276
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-21H01415
[Journal Article] A study on live load factor considering actual traffic load for evaluation of existing bridges2023
- Author(s)
  笠松徹、奥井義昭、木村正志、狩野亮太、佐久間智、時田英夫
- Journal Title
  
  Journal of Structural Engineering, A
  
  Volume: 69A Issue: 0 Pages: 58-68
- DOI
  10.11532/structcivil.69A.58
- ISSN
  1881-820X
- Language
  Japanese
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-21H01415
[Journal Article] A proposal for evaluation method of system redundancy and system factors in load rating of steel bridges2022
- Author(s)
  奥井義昭, 傳田諒, 熊木和輝, 佐久間智
- Journal Title
  
  Journal of Structural Engineering, A
  
  Volume: 68A Issue: 0 Pages: 1-10
- DOI
  10.11532/structcivil.68A.1
- ISSN
  1881-820X
- Language
  Japanese
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-21H01415
[Journal Article] Load Ratingを用いた既設橋梁の耐荷性能評価に関する一検討2021
- Author(s)
  笠松徹, 奥井義昭, 石橋正博, 山川創
- Journal Title
  
  土木学会論文集A1（構造・地震工学）
  
  Volume: 77 Issue: 3 Pages: 418-426
- DOI
  10.2208/jscejseee.77.3_418
- NAID
  130008119326
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-21H01415
[Journal Article] TEMPERATURE DEPENDENCE OF MECHANICAL BEHAVIOR OF HIGH DAMPING RUBBER BEARINGS CONSIDERING SELF HEATING2017
- Author(s)
  奥井義昭, 尾上修浩, 佐藤京, 今井隆
- Journal Title
  
  Journal of Japan Society of Civil Engineers, Ser. A1 (Structural Engineering & Earthquake Engineering (SE/EE))
  
  Volume: 73 Issue: 1 Pages: 165-173
- DOI
  10.2208/jscejseee.73.165
- NAID
  130005243655
- ISSN
  2185-4653
- Language
  Japanese
- Peer Reviewed / Acknowledgement Compliant
- Data Source
  KAKENHI-PROJECT-26289140
[Journal Article] Nonlinear Viscosity Law in Finite-Element Analysis of High Damping Rubber Bearings and Expansion Joints2015
- Author(s)
  A. F. M. S. Amin, A. R. Bhuiyan, T. Hossain, and Y. Okui
- Journal Title
  
  J. Eng. Mech., ASCE
  
  Volume: 141 Issue: 6
- DOI
  10.1061/(asce)em.1943-7889.0000888
- Peer Reviewed / Acknowledgement Compliant / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-26289140
[Journal Article] An improved rheology model for the description of the rate-dependent cyclic behavior of high damping rubber bearings2015
- Author(s)
  D.A. Nguyen, J. Dang, Y. Okui, A.F.M.S. Amin, S. Okada, T. Imai
- Journal Title
  
  Soil Dynamics and Earthquake Engineering
  
  Volume: 77 Pages: 416-431
- DOI
  10.1016/j.soildyn.2015.06.001
- Peer Reviewed / Acknowledgement Compliant / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-26289140
[Journal Article] A Simplified Model and Low Temperature Behavior, Journal of Japan Society of Civil Engineers2012
- Author(s)
  Muhammad Kashif RAZZAQ, Yoshiaki OKUI, Abdur Rahman BHUIYAN, A. F. M. Saiful AMIN, Hiroshi MITAMURA, Takashi IMAI, Application of Rheology Modeling to Natural Rubber and Lead Rubber Bearings
- Journal Title
  
  Ser. A1 (Structural Engineering & Earthquake Engineering (SE/EE))
  
  Volume: Vol. 68, No. 3 Pages: 526-541
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-22560473
[Journal Article] Seismic Response Prediction of Base Isolated Multi-Span Highway Bridge with Different Modeling Techniques for Lead Rubber Bearings2012
- Author(s)
  Muhammad Kashif RAZZAQ; Yoshiaki OKUI; Hiroshi MITAMURA; Takashi IMAI
- Journal Title
  
  Proc. of 18th IABSE Congress in Seoul, Korea
  
  Volume: A-58 Pages: 1-7
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-22560473
[Journal Article] Application of Rheology Modeling to Natural Rubber and Lead Rubber Bearings: A Simplified Model and Low Temperature Behavior2012
- Author(s)
  Muhammad Kashif RAZZAQ, Yoshiaki OKUI, Abdur Rahman BHUIYAN, A. F. M. Saiful AMIN, Hiroshi MITAMURA, Takashi IMAI
- Journal Title
  
  Journal of Japan Society of Civil Engineers, Ser. A1 (Structural Engineering & Earthquake Engineering (SE/EE))
  
  Volume: Vol. 68, No.3 Pages: 526-541
- NAID
  130004556737
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-22560473
[Journal Article] Seismic Performance of a Highway Bridge with Different Modeling Techniques for Laminated Rubber Bearings at a Low Temperature2012
- Author(s)
  Razzaq, M., Okui, Y., Mitamura, H., and Imai, T.
- Journal Title
  
  Cold Regions Engineering 2012: Sustainable Infrastructure Development in a Changing Cold Environment
  
  Volume: A-58 Pages: 467-477
- DOI
  10.1061/9780784412473.046
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-22560473
[Journal Article] 我国の鋼トラス橋を対象としたリダンダンシー解析の検討2009
- Author(s)
  永谷秀樹,明石直光,松田岳憲,安田昌宏,石井博典,宮森雅之,小幡泰弘,平山博,奥井義昭
- Journal Title
  
  土木学会論文集A Vol.65, No.2
  
  Pages: 410-425
- NAID
  130004467183
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20360198
[Journal Article] 連続構成桁の負曲げ領域における横倒れ座屈設計法2008
- Author(s)
  奥井義昭
- Journal Title
  
  土木学会構造工学論文集 54
  
  Pages: 58-67
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-18360214
[Journal Article] 連続合成桁の負曲げ領域における横倒れ座屈設計法2008
- Author(s)
  奥井義昭
- Journal Title
  
  土木学会構造工学論文集 54
  
  Pages: 58-67
- NAID
  130004503622
- Description
  「研究成果報告書概要(和文)」より
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-18360214
[Journal Article] A design method for restrained distortional buckling of continuous composite girders under negative bending moment2008
- Author(s)
  Y, Okui
- Journal Title
  
  Journal of Structural Engineering, JSCE Vol. 54A
  
  Pages: 58-67
- NAID
  130004503622
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-18360214
[Journal Article] Block FEM for time-dependent shear-lag behavior in two I-gieder composite bridges2007
- Author(s)
  Y. Okui
- Journal Title
  
  Journal of Bridge Engineering, ASCE 12
  
  Pages: 72-79
- Description
  「研究成果報告書概要(和文)」より
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-18360214
[Journal Article] Block FEM for Time-Dependent Shear-Lag Behavior in Two I-Girder Composite Bridges2007
- Author(s)
  Y. Okui
- Journal Title
  
  Jour. of Bridge Engineering, ASCE 12
  
  Pages: 72-79
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-18360214
[Journal Article] Block FEM for time-dependent shear-lag behavior in two I-girder composite bridges2007
- Author(s)
  Y, Okui
- Journal Title
  
  Journal of Bridge Engineering, ASCE Vol. 12
  
  Pages: 72-79
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-18360214
[Journal Article] Experimental Study on ultimate strength of composite and double-composite girders2007
- Author(s)
  M.Nakai, N.Inaba, Y.Tomita, Y.Okui
- Journal Title
  
  Proceeding of 8^<th> Pacific Structural Steel Conference Vol.1
  
  Pages: 329-334
- Data Source
  KAKENHI-PROJECT-18360214
[Journal Article] Effect of initial bending moment in composite girder under flexure for unshored construction2006
- Author(s)
  V.K.Gupta, Y.Okui, M.Nagai
- Journal Title
  
  Proceeding of 7^<th> International Conference on Short and medium Span Bridges (CD-ROM)
- Data Source
  KAKENHI-PROJECT-18360214
[Journal Article] Ultimate strength of composite I-girder under pure sagging bending moment2006
- Author(s)
  M.Nagai, Y.Okui, N.Inada, E.Iwasaki
- Journal Title
  
  Proceeding of 7^<th> International Conference on Short and medium Span Bridges (CD-ROM)
- Data Source
  KAKENHI-PROJECT-18360214
[Journal Article] A micromechanical model for brittle failure of rock and its relation to crack growth observed in triaxial compression tests of granite2006
- Author(s)
  Golshani, A., Okui, Y., Oda, M., Takemura, T.
- Journal Title
  
  Mechanics of Materials 38
  
  Pages: 287-303
- Description
  「研究成果報告書概要(和文)」より
- Data Source
  KAKENHI-PROJECT-16560408
[Journal Article] A micromechanical model for brittle failure of rock and its relation to crack growth observed in trixial compression tests of granite2006
- Author(s)
  Golshani, A., Okui, Y., Oda, M., Takemura, T.
- Journal Title
  
  Mechanics of Materials 38
  
  Pages: 287-303
- Data Source
  KAKENHI-PROJECT-16560408
[Journal Article] Development of web slenderness limits for composite I-girder accounting for initial bending moment2006
- Author(s)
  V.K.Gupta, Y.Okui, M.Nagai
- Journal Title
  
  Journal of Structural Mechanics and Earthquake Engineering Vol.62, No.4
  
  Pages: 854-864
- NAID
  10019325233
- Data Source
  KAKENHI-PROJECT-18360214
[Journal Article] Simulation of damage around a circular opening in rock2005
- Author(s)
  Golshani, A., Okui, Y., Oda, M., Suzuki, K.
- Journal Title
  
  The 11th International Conference of IACMAG, 19-24 June, 2005, Turin, Italy
  
  Pages: 33-40
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-16560408
[Journal Article] Hydraulic behaviour of Inada granite in the excavation disturbed zone around underground openings2005
- Author(s)
  Golshani, A., Okui, Y., Oda, M., Takemura, T.
- Journal Title
  
  The Seventh International Summer Symposium, JSCE, 30 July 2005 Tokyo, Japan
  
  Pages: 153-156
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-16560408
[Journal Article] Simulation of damage around a circular opening in rock2005
- Author(s)
  A.Golshani, Y.Okui, M.Oda
- Journal Title
  
  Proc.of 11th Conf.of International Association of Computer Methods and Advances in Geomechanics
- Data Source
  KAKENHI-PROJECT-16560408
[Journal Article] Time-dependent continuous damage model for brittle failure of rocks2004
- Author(s)
  Golshani, A., Okui, Y., Takemura, T., Oda, M.
- Journal Title
  
  53rd Geomechanics Colloquy and EUROCK 2004, 7-9 October, 2004, Salzburg, Austria
  
  Pages: 701-706
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-16560408
[Presentation] System Redundancy in Load Rating and Vulnerability of I-Girder Bridges2024
- Author(s)
  Yoshiaki Okui
- Organizer
  3rd International Conference on Advances in Civil and Environmental Engineering
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-21H01415
[Presentation] 合理化研究部会報告ー設計合理化と維持管理に向けたLoad Ratingの試みー2022
- Author(s)
  奥井義昭
- Organizer
  第２５回土木鋼構造研究シンポジウム
- Invited
- Data Source
  KAKENHI-PROJECT-21H01415
[Presentation] 非合成連続鈑桁橋のシステムリダンダンシーと既設橋の耐荷力評価のためのシステム係数の検討2022
- Author(s)
  奥井義昭，熊木和輝，佐久間智
- Organizer
  土木学会全国大会年次学術講演会
- Data Source
  KAKENHI-PROJECT-21H01415
[Presentation] Rate dependency behavior of high damping rubber bearings in low temperature and rheology model2015
- Author(s)
  Dang, J., Nguyen, D., Okui, Y., Imai, T., Okada, S.
- Organizer
  IABSE Nara spring conference
- Place of Presentation
  Nara, Kasugano International Forum, Japan
- Year and Date
  2015-05-13
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-26289140
[Presentation] Low Temperature Behavior and Modeling of High Damping Rubber Bearings2013
- Author(s)
  Matsumoto T, Okui Y, Nguyen D A, Hasan Md S, Takahashi K, Mitamura H, Imai T
- Organizer
  International Symposium on New Technologies for Urban Safety of Mega Cities in Asia
- Place of Presentation
  Hilton Hanoi Hotel & National University of Civil Engineering (Vietnam)
- Data Source
  KAKENHI-PROJECT-23246082
[Presentation] Mechanical Behavior Of High Damping Rubber Bearings At Low Temperatures2013
- Author(s)
  Nguyen D A, Okui Y, Hasan Md S, Mitamura H, Imai T
- Organizer
  International Symposium on New Technologies for Urban Safety of Mega Cities in Asia
- Place of Presentation
  Hilton Hanoi Hotel & National University of Civil Engineering (Vietnam)
- Data Source
  KAKENHI-PROJECT-23246082
[Presentation] Seismic Design of Base Isolated Multi-Span Highway Bridge : Effect of Isolation Bearing's Modeling on Seismic Response2012
- Author(s)
  奥井義昭
- Organizer
  Cambodia-Japan Joint Seminar on Bridge Engineering
- Place of Presentation
  Phnom Penh, Cambodia
- Year and Date
  2012-03-28
- Data Source
  KAKENHI-PROJECT-22560473
[Presentation] Effect of Isolation Bearing's Modeling on Seismic Response Prediction of Base Isolated Multi-Span Highway Bridge2012
- Author(s)
  M. K. Razzaq, Y. Okui, H. Mitamura, T. Imai
- Organizer
  3rd International Structural Specialty Conference, CSCE, Edmonton, Alberta, Canada, STR-1004-1-10
- Year and Date
  2012-06-08
- Data Source
  KAKENHI-PROJECT-22560473
[Presentation] ゴム支承の温度依存性に関する研究とMullins効果のモデル化の検討2012
- Author(s)
  石島慎也, 奥井義昭, Nguyen Anh Dung, 今井隆, 三田村浩
- Organizer
  平成24年度土木学会全国大会第67回年次学術講演会
- Place of Presentation
  名古屋大学
- Data Source
  KAKENHI-PROJECT-22560473
[Presentation] ゴム支承の温度依存性に関する研究とMullins効果のモデル化の検討,石島慎也2012
- Author(s)
  奥井義昭,Nguyen Anh Dung,今井隆,三田村浩
- Organizer
  平成24年度土木学会全国大会第67回年次学術講演会概要集
- Place of Presentation
  名古屋,愛知県
- Year and Date
  2012-09-05
- Data Source
  KAKENHI-PROJECT-22560473
[Presentation] Seismic Response Prediction of Base Isolated Multi-Span Highway Bridge With Different Modeling Techniques For Lead Rubber Bearings2012
- Author(s)
  Muhammad Kashif RAZZAQ, Yoshiaki OKUI, Hiroshi MITAMURA, Takashi IMAI
- Organizer
  Proc. of 18^<th> IABSE Congress, Seoul, Korea, A-0058
- Year and Date
  2012-09-20
- Data Source
  KAKENHI-PROJECT-22560473
[Presentation] Effect of Rubber Bearing's Modeling on Seismic Response of Base Isolated Highway Bridge2010
- Author(s)
  M. K. Razzaq, A. R. Bhuiyan, Y. Okui, H. Mitamura, and T. Imai
- Organizer
  Proc. of 7th Int. Conf. on Urban Earthquake Eng. &5th Int. Conf. on Earthquake Eng.
- Place of Presentation
  Tokyo, Japan
- Year and Date
  2010-03-04
- Data Source
  KAKENHI-PROJECT-22560473
[Presentation] Experimental Study of Rate-Dependent Mechanical Behavior of Laminated Rubber Bearings2010
- Author(s)
  T.Imai, A.R.Bhuiyan, M.K.Razzaq,Y.Okui, H.Mitamura
- Organizer
  Proc. of 7th Int. Conf. on Urban Earthquake Eng. &5th Int. Conf. on Earthquake Eng
- Place of Presentation
  Tokyo, Japan
- Year and Date
  2010-03-04
- Data Source
  KAKENHI-PROJECT-22560473
[Presentation] 高減衰ゴム支承のモデル化に違いによる橋梁応答解析結果への影響と低温時の挙動,I-572,pp.1143-11442010
- Author(s)
  奥井義昭,A. Rahman Bhuiyan,三田村浩,今井隆
- Organizer
  土木学会第65回年次学術講演会
- Place of Presentation
  札幌,北海道
- Year and Date
  2010-09-01
- Data Source
  KAKENHI-PROJECT-22560473
[Presentation] 高減衰ゴム支承のモデル化に違いによる橋梁応答解析結果への影響と低温時の挙動2010
- Author(s)
  奥井義昭
- Organizer
  土木学会第65回年次学術講演会
- Place of Presentation
  北海道大学
- Year and Date
  2010-09-01
- Data Source
  KAKENHI-PROJECT-22560473
[Presentation] Self-heating of high damping rubber bearings and its effects on bridge seismic performance
- Author(s)
  Okui Y., Dung A.N., Imai T., Okada S.
- Organizer
  the 9th International Conference on Short and Medium Span Bridges
- Place of Presentation
  Calgary (Canada)
- Year and Date
  2014-07-15 – 2014-07-18
- Data Source
  KAKENHI-PROJECT-23246082
[Presentation] Self-heating of high damping rubber bearings and its effects on bridge seismic performance
- Author(s)
  Yoshiaki Okui, Dung Anh Nguyen Takashi Imai, Shinya Okada
- Organizer
  Proc. of 9th International Conference on Short and Medium Span Bridges
- Place of Presentation
  Calgary, Canada
- Year and Date
  2014-07-15 – 2014-07-18
- Data Source
  KAKENHI-PROJECT-26289140

1. YAMAGUCHI Hiroki (50134474)

# of Collaborated Projects: 11 results

# of Collaborated Products: 0 results
2. MATSUMOTO Yasunao (90322023)

# of Collaborated Projects: 6 results

# of Collaborated Products: 1 results
3. NAGAI Masatsugu (20207971)

# of Collaborated Projects: 4 results

# of Collaborated Products: 3 results
4. ODA Masanobu (90008855)

# of Collaborated Projects: 3 results

# of Collaborated Products: 6 results
5. MUTSUYOSHI Hiroshi (60134334)

# of Collaborated Projects: 3 results

# of Collaborated Products: 0 results
6. ITO Manabu (00010661)

# of Collaborated Projects: 3 results

# of Collaborated Products: 0 results
7. FUJINO Yozo (20111560)

# of Collaborated Projects: 2 results

# of Collaborated Products: 0 results
8. SHEN Chi (10251141)

# of Collaborated Projects: 2 results

# of Collaborated Products: 0 results
9. MACHIDA Atsuhiko (50008869)

# of Collaborated Projects: 2 results

# of Collaborated Products: 0 results
10. 党紀 (60623535)

# of Collaborated Projects: 2 results

# of Collaborated Products: 2 results
11. ASAMOTO Shingo (50436333)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
12. MAEDA Kenihi (60244414)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
13. SAKANO Masahiro (50143201)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
14. TANIYAMA Hisashi (80236710)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
15. OSADA Masahiko (00214114)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
16. TSUNODA Fumio (80092021)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
17. SHIMAMOTO Toshihiko (20112170)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
18. TANZO William (00241919)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
19. WU Zhi Shen (00223438)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
20. XIE Xu (90291294)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
21. TAKESI Maki (60292645)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
22. IWASAKI Eiji (10223380)

# of Collaborated Projects: 1 results

# of Collaborated Products: 1 results
23. 佐藤京 (30414171)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
24. 岡田慎哉 (50414173)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
25. 竹村貴人 (30359591)

# of Collaborated Projects: 1 results

# of Collaborated Products: 4 results
26. YOSHIOKA Tsutomu

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
27. ITO Shin

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
28. IMAI Takashi

# of Collaborated Projects: 1 results

# of Collaborated Products: 3 results
29. SATOH Masakatsu

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
30. SAKAI Fujikazu

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
31. CHI Shen

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results

Okui Yoshiaki 奥井 義昭

奥井 義昭 オクイ ヨシアキ

OKUI Yoshiaki 奥井 義昭

奥井 義和 オクイ ヨシカズ

Research Projects

Research Products

Co-Researchers

既設橋の目標安全性レベルの提案と維持管理用活荷重係数の検討Principal Investigator

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Development of an existing bridge management method based on load ratingPrincipal Investigator

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Review Section

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Development of design procedure for high damping rubber bearings under low temperatures and modeling of Mullins' effectPrincipal Investigator

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Development of a rheology model of laminated rubber bearings for seismic design: Establishment of design method at low temperaturePrincipal Investigator

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Development and verification of a micromechanics-based continuum theory for long-term deterioration of hard rockPrincipal Investigator

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Constitutive Modeling for Strain-Rate Dependency of Natural and High Damping RubbersPrincipal Investigator

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Okui Yoshiaki 奥井義昭

奥井義昭オクイヨシアキ

OKUI Yoshiaki 奥井義昭

奥井義和オクイヨシカズ