OSADA Masahiko 長田昌彦

Researcher Number	00214114
Affiliation (Current)	2025: 埼玉大学, 理工学研究科, 教授
Affiliation (based on the past Project Information) *help	2017 – 2024: 埼玉大学, 理工学研究科, 教授 2014 – 2016: 埼玉大学, 理工学研究科, 准教授 2014: 埼玉大学, 大学院理工学研究科, 准教授 2010 – 2013: 埼玉大学, 地圏科学研究センター, 准教授 2007 – 2008: 埼玉大学, 地圏科学研究センター, 准教授 … More 2006: 埼玉大学, 地圏科学研究センター, 助教授 2001 – 2004: 埼玉大学, 地圏科学研究センター, 助教授 1991 – 1999: 埼玉大学, 工学部, 助手 Less
Review Section/Research Field	Principal Investigator Geotechnical engineering / Basic Section 22030:Geotechnical engineering-related / Geotechnical engineering / Geology Except Principal Investigator Geotechnical engineering / Geotechnical engineering / 基礎・土質工学 / Basic Section 22030:Geotechnical engineering-related / Geology / Civil engineering materials/Construction/Construction management / Structural engineering/Earthquake engineering/Maintenance management engineering
Keywords	Principal Investigator 岩盤の熱伝導特性 / 時系列解析 / オパリナスクレイ / モンテリ地下研究所 / 間隙空気圧 / 大気圧変動 / 岩盤の浸透特性 / 乾燥変形 / 不飽和化過程 / 構造異方性 … More / 不飽和 / 地層処分 / 大深度地下 / 地盤工学 / 連成挙動 / 飽和・不飽和 / 水分分布状態 / 乾燥湿潤変形 / 堆積岩 / 放射性廃棄物の地層処分 / 寸法効果 / 礫含有率 / 室内三軸圧縮試験 / ステレオロジー / 火山角礫岩 / 割れ目 / 浸透特性 / 変形特性 / 評価 / 割れ目系 / 岩盤 / 微小割れ目 / 実体顕微鏡 / 速度効果 / クリープ / 疲労 / 堆積軟岩 / 割れ目間隔 / 引張割れ目 / フィールド調査 … More Except Principal Investigator Numerical Analysis / Freezing and Thawing / Coupled Phenomena / 連成解析 / 岩盤 / 数値解析 / 凍結融解 / 弾塑性解析 / 三軸圧縮試験 / トンネル / 浸透 / 堆積軟岩 / マイクロクラック / タイ / 蒸発 / 写真測量 / 蒸発計測 / 塩類風化 / 遺跡修復 / モデル実験 / 不均質体 / 静水圧試験 / 強度異方性 / 変形異方性 / 不飽和 / 堆積岩 / 岩盤工学 / スメクタイト鉱物 / 岩石膨潤現象 / 岩盤力学 / 膨潤挙動 / スメクタイト類 / ３次元有限要素法 / 修正カムクレイモデル / 膨潤解析 / トンネル掘削解析 / 膨潤試験装置 / スメクタイト膨潤試験 / マルチフィジックス / マルチスケール / 地下構造物 / 膨潤性岩盤 / 情報システム / 水工水理学 / 地盤工学 / 危機管理 / 洪水 / タイムライン / 大規模氾濫 / 破堤 / ピーク流量 / 災害進展過程 / 防災・避難情報 / 農業被害 / 破堤氾濫 / リードタイム / 地盤沈下 / 大雨特別警報 / 線状降水帯 / 加熱・冷却三軸試験 / 熱伝達境界 / 減速クリープ / 加速クリープ / 熱環境 / 熱加速クリープ / クリープ現象 / 高温環境 / Thailand / international exchange / saturated and unsaturated seepage / evaporation and emission / pollutant / groundwater pollution / soil pollution / ground pollution / 汚染拡大 / 飽和・不飽和浸透 / 国際研究者交流 / 飽和・不飽和浸透流 / 蒸発散 / 汚染物質 / 地下水汚染 / 土壌汚染 / 地盤汚染 / Unsaturated zone / Mt.Terri Laboratory / Shallow underground / Bore hole / Field measurement / Evaporation / Soft rock / Nuclear waste disposal / トンネルの緩み域 / オパリナス泥岩 / ボーリング / 微小浸透流 / 岩盤浸透流 / モンテリ地下実験場 / 放射性廃棄物余裕深度処分 / 不飽和帯 / モンテリ実験場 / 余裕処分 / ボーリング孔 / 現場計測 / 軟岩 / 放射性廃棄物処分 / 時間依存性 / 岩盤斜面 / 連成問題 / 低温環境 / 相変化 / 凍結・融解 / 内部変数 / 非線形挙動 / 連成挙動 / 岩石岩盤 / Reinforcement system / Rock bolt / Discontinuous rock / 地山特性曲線 / 不連続変形法 / 補強効果 / ロックボルト / 補強 / Microcrack / Creep / 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 / クリープ / 破壊 / 岩石 / 脆性材料 / Field observation method / Numerical simulation / Hydrodynamic dispersion / Permeability / Jointed rock masses / 形量形態学 / 拡散 / 溶質分散実験 / 不連続性岩盤 / 調査法 / 数値実験 / 分散 / 不連性岩盤 / groundwater / permeability test / fracture system / fluid flow path / rock masses / 割れ目の可視化 / 地下水 / 透水実験 / 割れ目系 / 水みち / 連成 / 応力 / 熱 / き裂 / 連成現象 / PORE WATER PRESSURE / SOFT SEDIMENTARY ROCK / VISCOELASTICITY / MICROCRACK / DYNAMIC STRENGTH / 微小割れ目 / 応力ー浸透連成問題 / 非線形解析 / 間隙水圧 / 粘弾性 / 動的強度 / 表面形状測定 / 低温下岩石物性 / 模型実験 / 連成場 / 間隙水の存在形態 / 熱伝達係数 / 境界条件 / 凍結融解試験 / ポリマー / 混和材 / 有害ガス漏洩 / 油井セメント / スチーム補助重力排油法 / 二酸化炭素地下貯留 / 変形モニタリング / エジプト / 土中水分変化 / 地盤変形 / 遺跡構造物 / 振動計測 / 危険度判定 / 落石 / 土砂災害 / 維持管理工学 / シルクロード / 塩分析出 / 歴史遺跡修復 / 遺跡劣化プロセス / 安定性実験 / アニメーション / 景観設計 / 日干しレンガ / 土構造遺跡 / アジナテパ遺跡 / 崩壊モニタリング / 長期安定性 / 複合土材料 / 微小破壊 Less

Development of techniques for identifying deformation anisotropy in unsaturated sedimentary rocks, extension to strength anisotropy identification and modeling
- Principal Investigator
  
  富樫陽太
- Project Period (FY)
  2024 – 2027
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Review Section
  
  Basic Section 22030:Geotechnical engineering-related
- Research Institution
  Saitama University
Development of a method to evaluate permeability of rock using barometric fluctuationPrincipal Investigator
- Principal Investigator
  
  Osada Masahiko
- Project Period (FY)
  2020 – 2023
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Review Section
  
  Basic Section 22030:Geotechnical engineering-related
- Research Institution
  Saitama University
Development of multiscale multi-physics rock mechanics for swelling rock mass
- Principal Investigator
  
  Kyoya Takashi
- Project Period (FY)
  2016 – 2019
- Research Category
  
  Grant-in-Aid for Scientific Research (A)
- Research Field
  
  Geotechnical engineering
- Research Institution
  Tohoku University
A Comprehensive Study on the Disaster due to the 2015 Kanto-Tohoku Torrential Rainfall
- Principal Investigator
  
  TANAKA Shigenobu
- Project Period (FY)
  2015
- Research Category
  
  Grant-in-Aid for Special Purposes
- Research Institution
  Kyoto University
Heat transfer phenomena and its suitable boundary conditions of geomaterials under cooling and heating process
- Principal Investigator
  
  Yamabe Tadashi
- Project Period (FY)
  2014 – 2018
- Research Category
  
  Grant-in-Aid for Scientific Research (A)
- Research Field
  
  Geotechnical engineering
- Research Institution
  Saitama University
Heat accelerated creep phenomena of soft rocks
- Principal Investigator
  
  YAMABE Tadashi
- Project Period (FY)
  2014 – 2017
- Research Category
  
  Grant-in-Aid for Challenging Exploratory Research
- Research Field
  
  Geotechnical engineering
- Research Institution
  Saitama University
アジア・エジプト地域の、土中水分変動による遺跡構造物の変形解析と修復技術研究
- Principal Investigator
  
  渡邉邦夫
- Project Period (FY)
  2013 – 2015
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Research Field
  
  Geotechnical engineering
- Research Institution
  Saitama University
Analysis of deleterious gas leakage risk in injection well and development of high performance oil cement
- Principal Investigator
  
  ASAMOTO Shingo
- Project Period (FY)
  2013 – 2014
- Research Category
  
  Grant-in-Aid for Challenging Exploratory Research
- Research Field
  
  Civil engineering materials/Construction/Construction management
- Research Institution
  Saitama University
Coupled behavior between deformation and moisture distribution process considering structural anisotropy of sedimentary rockPrincipal Investigator
- Principal Investigator
  
  OSADA Masahiko
- Project Period (FY)
  2012 – 2016
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Research Field
  
  Geotechnical engineering
- Research Institution
  Saitama University
Microtremor Measurement of Rock Mass and Its Application to Rock-fall Hazard Assessment
- Principal Investigator
  
  MOGI Hidenori
- 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
Study on the long term performance of soil based construction material used for the ancient buildings
- Principal Investigator
  
  WATANABE Kunio
- Project Period (FY)
  2006 – 2008
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Research Field
  
  Geotechnical engineering
- Research Institution
  Saitama University
Unsaturated groundwater flow and pollutant migration in EDZ of tunnels excavated in soft rock for nuclear waste disposal
- Principal Investigator
  
  WATANABE Kunio
- Project Period (FY)
  2002 – 2004
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Research Field
  
  Geotechnical engineering
- Research Institution
  Saitama University
Research on the expansion mechanism of the ground pollution and its preventive measures in Thailand
- Principal Investigator
  
  KAZAMA Hidehiko
- Project Period (FY)
  2002 – 2004
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Research Field
  
  Geotechnical engineering
- Research Institution
  Saitama University
礫分布特性を考慮した火山角礫岩の力学特性とそれに基づく原位置岩盤の評価手法の検討Principal Investigator
- Principal Investigator
  
  長田昌彦
- Project Period (FY)
  2001 – 2002
- Research Category
  
  Grant-in-Aid for Young Scientists (B)
- Research Field
  
  Geotechnical engineering
- Research Institution
  Saitama University
Thermo-hydro-mechnical behavior of rock materials under low temperature and rock slope instability analysis by FEM
- Principal Investigator
  
  YAMABE Tadashi
- Project Period (FY)
  2001 – 2002
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Geotechnical engineering
- Research Institution
  Saitama University
Finite element analysis on coupled stress and fluid flow behavior of rock-like porous material caused by low temperature source.
- Principal Investigator
  
  YAMABE Tadashi
- Project Period (FY)
  1998 – 1999
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Geotechnical engineering
- Research Institution
  Saitama University
割れ目系の形成過程を考慮した岩盤の変形・浸透特性評価手法の提案Principal Investigator
- Principal Investigator
  
  長田昌彦
- Project Period (FY)
  1997 – 1998
- Research Category
  
  Grant-in-Aid for Encouragement of Young Scientists (A)
- Research Field
  
  Geotechnical engineering
- Research Institution
  Saitama University
割れ目の運動学的評価と考慮した岩盤疲労のメカニズムに関する研究Principal Investigator
- Principal Investigator
  
  長田昌彦
- Project Period (FY)
  1996
- Research Category
  
  Grant-in-Aid for Encouragement of Young Scientists (A)
- Research Field
  
  Geotechnical engineering
- 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
Research on the Reinforcement System by the Grouted Steel Bolt in Discoutinuous Rocks.
- Principal Investigator
  
  YOSHINAKA Ryunoshin
- Project Period (FY)
  1996 – 1997
- Research Category
  
  Grant-in-Aid for Scientific Research (A)
- Research Field
  
  Geotechnical engineering
- Research Institution
  Saitama University
Non-linearly Coupled Heat-Stress-Fluid Flow Behavior of Rock under Low Temperature.
- Principal Investigator
  
  YAMABE Tadashi
- Project Period (FY)
  1996 – 1997
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Geotechnical engineering
- Research Institution
  Saitama University
Study on groundwater flow and transport properties considering the structural change of fracture system in rock masses.
- Principal Investigator
  
  WATANABE Kunio
- Project Period (FY)
  1995 – 1996
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Research Field
  
  Geology
- Research Institution
  Saitama University
Study on permeability and hydrodynamic dispersion in jointed rock
- Principal Investigator
  
  ODA Masanobu
- Project Period (FY)
  1995 – 1997
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Research Field
  
  Geotechnical engineering
- Research Institution
  Saitama University
内部構造変化を考慮した不均質な岩盤の力学挙動に関する研究
- Principal Investigator
  
  吉中龍之進
- Project Period (FY)
  1994
- Research Category
  
  Grant-in-Aid for General Scientific Research (B)
- Research Field
  
  Geotechnical engineering
- Research Institution
  Saitama University
礫を含む軟質な岩盤の不均質体としての力学挙動に関する研究
- Principal Investigator
  
  YOSHINAKA Ryunoshin
- Project Period (FY)
  1993
- Research Category
  
  Grant-in-Aid for General Scientific Research (C)
- Research Field
  
  Geotechnical engineering
- Research Institution
  Saitama University
地史を考慮した割れ目分類に関する研究Principal Investigator
- Principal Investigator
  
  長田昌彦
- Project Period (FY)
  1993
- Research Category
  
  Grant-in-Aid for Encouragement of Young Scientists (A)
- Research Field
  
  Geology
- Research Institution
  Saitama University
Coupled Heat-Stress-Fluid Flow Mecahnism of Rock Mass.
- Principal Investigator
  
  YAMABE Tadashi
- Project Period (FY)
  1992 – 1993
- Research Category
  
  Grant-in-Aid for General Scientific Research (C)
- Research Field
  
  基礎・土質工学
- Research Institution
  Saitama University
A study of dynamic strength of rock masses related to microcrack propagation.
- Principal Investigator
  
  YOSHINAKA Ryunoshin
- Project Period (FY)
  1991 – 1992
- Research Category
  
  Grant-in-Aid for General Scientific Research (B)
- Research Field
  
  基礎・土質工学
- Research Institution
  Saitama University

[Book] 新・関東の地盤　3.4節埼玉県の地盤(pp.81-96)2014
- Author(s)
  八戸昭一、林武司、和田理恵、長田昌彦
- Total Pages
  237
- Publisher
  公益社団法人　地盤工学会
- Data Source
  KAKENHI-PROJECT-24360187
[Journal Article] Unsaturated Strength of Tage Tuff and Its Water Retention Drying Curve2024
- Author(s)
  小田部晏彦，富樫陽太，畠山健，長田昌彦
- Journal Title
  
  Journal of the Society of Materials Science, Japan
  
  Volume: 73 Issue: 3 Pages: 212-219
- DOI
  10.2472/jsms.73.212
- ISSN
  0514-5163, 1880-7488
- Year and Date
  2024-03-15
- Language
  Japanese
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20H02238
[Journal Article] ワンボードマイコンArduinoでの原位置データ測定と実験装置作成2023
- Author(s)
  竹村貴人, 作道悠, 細野日向子, 長田昌彦
- Journal Title
  
  応用地質
  
  Volume: 63 Pages: 307-313
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20H02238
[Journal Article] 史跡でのIoT技術の活用事例2023
- Author(s)
  長田昌彦, 小澤一稀, 船引耕平, 金子義人, 高橋優輔
- Journal Title
  
  応用地質
  
  Volume: 63 Pages: 297-306
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20H02238
[Journal Article] Evaluating changes in the degree of saturation in excavation disturbed zones using a stochastic differential equation2022
- Author(s)
  Togashi Yota、Mizuo Kazuki、Osada Masahiko、Yamabe Tadashi、Kameya Hiroshi
- Journal Title
  
  Computers and Geotechnics
  
  Volume: 143 Pages: 104598-104598
- DOI
  10.1016/j.compgeo.2021.104598
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20H02238
[Journal Article] Principal strain rotation of anisotropic tuff due to continuous water-content variation2021
- Author(s)
  Togashi Yota、Imano Takanobu、Osada Masahiko、Hosoda Koichi、Ogawa Koji
- Journal Title
  
  International Journal of Rock Mechanics and Mining Sciences
  
  Volume: 138 Pages: 104646-104646
- DOI
  10.1016/j.ijrmms.2021.104646
- Data Source
  KAKENHI-PROJECT-20H02238
[Journal Article] 大気圧変動に対する飽和度低下による間隙空気圧変化の時系列解析2021
- Author(s)
  長田昌彦, 竹村貴人, 五嶋壮太, 富樫陽太, 大沢光司
- Journal Title
  
  岩の力学国内シンポジウム講演集
  
  Volume: 15 Pages: 221-226
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20H02238
[Journal Article] Experimental Investigation on Effects of Water Flow to the Freezing Sand around Vertically Buried Freezing Pipe2019
- Author(s)
  Rangga, A. S., Osada, M. and Yamabe, T.
- Journal Title
  
  Journal of Cold Regions Engineering, ASCE
  
  Volume: 33 Issue: 3 Pages: 1-12
- DOI
  10.1061/(asce)cr.1943-5495.0000187
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-26249068
[Journal Article] Heat Transfer Visualization of the Application of a Cooling Pipe in Sand with Flowing Pore Water2017
- Author(s)
  Rangga A. Sudisman, Masahiko Osada and Tadashi Yamabe
- Journal Title
  
  Journal of Cold Regions Engineering
  
  Volume: 31 Issue: 1 Pages: 1-21
- DOI
  10.1061/(asce)cr.1943-5495.0000115
- Peer Reviewed / Acknowledgement Compliant
- Data Source
  KAKENHI-PROJECT-26249068
[Journal Article] Effect of saturation level on deformation and wave velocity of a transversely isotropic sedimentary rock2016
- Author(s)
  Illankoon, T. N. and Osada, M.
- Journal Title
  
  International Journal of the Japanese Society for Rock Mechanics
  
  Volume: 12 Pages: 1-9
- NAID
  130005133738
- Peer Reviewed / Acknowledgement Compliant
- Data Source
  KAKENHI-PROJECT-24360187
[Journal Article] 精密石材の岩石学的特徴と湿潤環境下での超微小変形の発生機構に関する考察2014
- Author(s)
  竹村貴人, 高橋学, 長田昌彦, 北村圭史
- Journal Title
  
  材料
  
  Volume: 63 Pages: 227-233
- NAID
  130003393253
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-24360187
[Journal Article] 常時微動観測に基づく岩塊の振動特性と回転半径の推定方法2013
- Author(s)
  別役昌孝,長田昌彦,茂木秀則,荒井進吾
- Journal Title
  
  第13回岩の力学国内シンポジウム講演論文集
  
  Volume: 講演番号4
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-22560474
[Journal Article] 堆積岩の乾燥変形現象とそれに起因した現象と課題2012
- Author(s)
  長田昌彦,高橋学,竹村貴人
- Journal Title
  
  Journal of MMIJ
  
  Volume: 127 Pages: 3-3
- NAID
  10027793303
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-22560474
[Journal Article] イラン, バム遺跡の修復に向けた国際協力2007
- Author(s)
  渡辺邦夫, 長田昌彦, 小口千明
- Journal Title
  
  土と基礎 Vol.55, No.3
  
  Pages: 15-17
- NAID
  110006239355
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-18360225
[Journal Article] イラン、バム遺跡の修復に向けた国際協力2007
- Author(s)
  渡邉邦夫, 長田昌彦, 小口千明
- Journal Title
  
  地盤工学会誌 55
  
  Pages: 15-17
- NAID
  110006239355
- Data Source
  KAKENHI-PROJECT-18360225
[Journal Article] Evaporation logging FM-D Experiment-manual, calculations and modification of the equipment-2004
- Author(s)
  Meier, E., Bossart, P., Osada, M.
- Journal Title
  
  Technical Note., Mont Terri Project 2003-02
  
  Pages: 1-68
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-14350251
[Presentation] 不飽和状態における田下凝灰岩の強度特性2024
- Author(s)
  小田部晏彦，富樫陽太，畠山健，長田昌彦
- Organizer
  土木学会第50回岩盤力学に関するシンポジウム講演集， pp.108-113，2024.
- Data Source
  KAKENHI-PROJECT-20H02238
[Presentation] Long Term Measurements in Engineering Geology2024
- Author(s)
  Masahiko Osada
- Organizer
  14th Asian Regional Conference of IAEG, Universiti Teknologi Malaysia (UTM) Kuala Lumpur, Malaysia, 26th-29th February, 2024
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-20H02238
[Presentation] Fundamental study on estimation of permeability at in-situ EDZ from pore air pressure response2023
- Author(s)
  Masahiko Osada, Koji Osawa, Christina Putri Widyaningtyas, Yota Togashi
- Organizer
  15th ISRM Congress 2023 & 72nd Geomechanics Colloquium. Schubert & Kluckner (eds.) OCTOBER 09th - 14th, 2023, SALZBURG CONGRESS, AUSTRIA, pp.2581-2585,2023.
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-20H02238
[Presentation] 地下軍需工場跡地内の坑道壁面環境モニタリング2023
- Author(s)
  長田昌彦，青木新之介，広瀬朱音，吉成結菜，小林璃桜，大寺裕也
- Organizer
  日本応用地質学会令和5年度研究発表会講演論文集, pp. 210-211, 2023.
- Data Source
  KAKENHI-PROJECT-20H02238
[Presentation] 廃棄物埋設における岩盤の力学水理連成試験機の製作と動作確認試験2023
- Author(s)
  市耒高彦, 東原知広, 入江正明, 長田昌彦
- Organizer
  土木学会, 第49回岩盤力学に関するシンポジウム
- Data Source
  KAKENHI-PROJECT-20H02238
[Presentation] 含水に伴う田下凝灰岩の強度変化と平均応力変化によるモデル化2023
- Author(s)
  小田部晏彦，富樫陽太，長田昌彦，畠山健
- Organizer
  土木学会, 第49回岩盤力学に関するシンポジウム
- Data Source
  KAKENHI-PROJECT-20H02238
[Presentation] Numerical approach to evaluate the influence of water saturation on the strength of Neogene Tuff in Utsunomiya city, Japan2023
- Author(s)
  Ranaweera N, Togashi Y, Osada M, Kawanoue R
- Organizer
  ISRM, Proc. EUROCK2022
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-20H02238
[Presentation] 廃棄物埋設における掘削に伴う岩盤の力学状態と水理特性を踏まえた地下水移動評価の考え方2023
- Author(s)
  東原知広, 市耒高彦, 入江正明, 長田昌彦
- Organizer
  土木学会, 第49回岩盤力学に関するシンポジウム
- Data Source
  KAKENHI-PROJECT-20H02238
[Presentation] 外気圧の周期的変動に対する岩石ブロック内の気圧応答2022
- Author(s)
  長田昌彦, 大沢光司, クリスティーナプツリ, 野澤海人
- Organizer
  日本応用地質学会, 令和4年度研究発表会
- Data Source
  KAKENHI-PROJECT-20H02238
[Presentation] Exact solution of Richard’s equation using heat transfer boundary and application to dry-induced deformation behavior of Tage tuff2021
- Author(s)
  Mizuo K., Togashi Y. & Osada M.
- Organizer
  5th International Workshop on Rock Mechanics and Engineering Geology in Volcanic Fields
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-20H02238
[Presentation] Seasonal change of a fracture aperture in porous tuffaceous rock with 0.01mm-order real-time monitoring2021
- Author(s)
  Masahiko Osada and Kohei Funabiki
- Organizer
  5th International Workshop on Rock Mechanics and Engineering Geology in Volcanic Fields
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-20H02238
[Presentation] 長期モニタリングによる多孔質凝灰岩の割れ目開口幅の季節変化2021
- Author(s)
  長田昌彦, 船引耕平, 高橋優輔
- Organizer
  日本応用地質学会令和3 年度研究発表会講演論文集
- Data Source
  KAKENHI-PROJECT-20H02238
[Presentation] Deformation characteristics of sedimentary rock due to continuous changes of moisture content in wetting process2021
- Author(s)
  Togashi Y., Imano T. & Osada M.
- Organizer
  Proc. ACUUS2020 (IOP Conference Series: Earth and Environmental Science)
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-20H02238
[Presentation] 長期観測により確認された降雨に伴う凝灰岩開口割れ目の変位挙動2020
- Author(s)
  長田昌彦, 小澤一稀, 船引耕平, 弓明義
- Organizer
  日本応用地質学会令和2年度研究発表会講演論文集
- Data Source
  KAKENHI-PROJECT-20H02238
[Presentation] Rotation of three principal strains of tuff during drying shrinkage2020
- Author(s)
  Togashi Yota, Osada Masahiko, Yamabe Tadashi
- Organizer
  Proc. EUROCK 2020, 2020-175, 7 pages.
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-20H02238
[Presentation] Evaluating the deformation behavior of Horonobe mudstone using water retention curve2017
- Author(s)
  Amunugama, B. C.; Osada, M.; Illankoon, T. N. & Maekawa, K.
- Organizer
  Proceedings of the 14th Japan Rock Mechanics Symposium
- Place of Presentation
  神戸国際会議場（兵庫県神戸市）
- Year and Date
  2017-01-10
- Data Source
  KAKENHI-PROJECT-24360187
[Presentation] Drying- and wetting- induced behavior of Shirahama sandstone under the evaporative condition of tunnel surface2016
- Author(s)
  Osada, M. & Ohtake, S.
- Organizer
  2016 ISRM International Symposium EUROCK 2016
- Place of Presentation
  Perissia Hotel & Convention Center, Cappadocia, Turkey
- Year and Date
  2016-08-29
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-24360187
[Presentation] Effect of drying process on deformation behavior in mudstone2016
- Author(s)
  Amunugama, B. C.; Osada, M.; Illankoon, T. N. & Maekawa, K.
- Organizer
  2016 JSCE summar symposium
- Place of Presentation
  東北大学（宮城県仙台市）
- Year and Date
  2016-09-07
- Data Source
  KAKENHI-PROJECT-24360187
[Presentation] 水の過剰供給による地盤内間隙空気圧の発生に関する基礎研究2016
- Author(s)
  長田昌彦，佐々木理弦
- Organizer
  HGG12-P01, JpGU
- Place of Presentation
  幕張メッセ
- Year and Date
  2016-05-23
- Data Source
  KAKENHI-PROJECT-15H06923
[Presentation] Strain and Strength of Saturated and Dried Rock Samples under a Freeze Thaw Cycle, Poster Session2016
- Author(s)
  Rangga A. Sudisman, Tadashi Yamabe and Masahiko Osada
- Organizer
  9th Asian Rock Mechanics Symposium
- Place of Presentation
  Bali, Indonesia
- Year and Date
  2016-10-18
- Data Source
  KAKENHI-PROJECT-26249068
[Presentation] Effect of drying process on water retention curve in mudstone2016
- Author(s)
  Osada, M.; Amunugama, B. C.; Illankoon, T. N. & Maekawa, K.
- Organizer
  2016 Korea-Japan Joint Symposium on Rock Engineering
- Place of Presentation
  KIGAM, Daejeon, Korea
- Year and Date
  2016-05-19
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-24360187
[Presentation] Effect of drying process on water retention curve in mudstone2016
- Author(s)
  Osada, M.; Amunugama, B. C.; Illankoon, T. N. & Maekawa, K.
- Organizer
  2016 Korea-Japan Joint Symposium on Rock Engineering
- Place of Presentation
  KIGAM, Daejeon, KOREA
- Year and Date
  2016-05-19
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-24360187
[Presentation] 水浸に伴う砂岩と泥岩の間隙空隙圧変化の比較検討と等価管路モデルを用いた評価2016
- Author(s)
  武藤圭佑，長田昌彦
- Organizer
  土木学会第44回岩盤力学に関するシンポジウム
- Place of Presentation
  九州大学伊都キャンパス（福岡県福岡市）
- Year and Date
  2016-01-08
- Data Source
  KAKENHI-PROJECT-24360187
[Presentation] 水浸に伴う岩石内間隙空気圧の発生とその等価管路モデルを用いた解釈2015
- Author(s)
  長田昌彦，中原壮一朗，武藤圭佑，高橋学，竹村貴人
- Organizer
  日本応用地質学会平成27年度研究発表会
- Place of Presentation
  京大防災研黄檗ホール（京都府宇治市）
- Year and Date
  2015-09-24
- Data Source
  KAKENHI-PROJECT-24360187
[Presentation] Heat Transfer Characteristic of Saturated Sand in Steady Flow around a Cooling Pipe2015
- Author(s)
  R.SUDISMAN, M.OSADA, T.YAMABE and D.TOBITA
- Organizer
  10th Asian Regional Conference of IAEG
- Place of Presentation
  京都大学防災研究所（京都府京都市伏見区）
- Year and Date
  2015-09-25
- Data Source
  KAKENHI-PROJECT-26630218
[Presentation] 堆積岩の乾燥に伴う変形挙動に関する検討 (3) 堆積岩の間隙構造と乾燥変形挙動との関係に関する検討2015
- Author(s)
  多田浩幸，齋藤亮，熊坂博夫，長田昌彦，竹村貴人，前川恵輔
- Organizer
  日本原子力学会 2015年秋の大会
- Place of Presentation
  静岡大学静岡キャンパス（静岡県静岡市）
- Year and Date
  2015-09-09
- Data Source
  KAKENHI-PROJECT-24360187
[Presentation] Heat Transfer Characteristic of Saturated Sand in Steady Flow around a Cooling Pipe2015
- Author(s)
  R. SUDISMAN, M. OSADA, T. YAMABE, and D. TOBITA
- Organizer
  10th Asian Regional Conference of IAEG
- Place of Presentation
  京都大学防災研究所（京都府京都市伏見区）
- Year and Date
  2015-09-25
- Data Source
  KAKENHI-PROJECT-26249068
[Presentation] 地質災害と地下水2015
- Author(s)
  長田昌彦
- Organizer
  2015年度日本水文科学会学術大会，公開合同シンポジウム：「地質災害と地下水」
- Place of Presentation
  産業技術総合研究所（茨城県つくば市）
- Year and Date
  2015-10-09
- Invited
- Data Source
  KAKENHI-PROJECT-24360187
[Presentation] Microscopic observation of water containing micro-bubbles flows through fractured mudstone specimens2013
- Author(s)
  Pardede, F. H., Osada, M.
- Organizer
  第13回岩の力学国内シンポジウム講演論文集(併催:日韓ジョイントシンポジウム)
- Place of Presentation
  沖縄コンベンションセンター
- Data Source
  KAKENHI-PROJECT-24360187
[Presentation] 堆積岩試料における水分量と物性の変化に関する数値解析的検討2013
- Author(s)
  前川恵輔, 長田昌彦, 多田浩幸, 熊坂博夫
- Organizer
  第13回岩の力学国内シンポジウム講演論文集(併催:日韓ジョイントシンポジウム),No.027
- Place of Presentation
  沖縄コンベンションセンター
- Data Source
  KAKENHI-PROJECT-24360187
[Presentation] Drying-induced deformation of Horonobe sedimentary rocks in the Koetoi and Wakkanai formations2013
- Author(s)
  Illankoon, T. N., Yee, S. M., Osada, M. , Maekawa, K. , Tada, H., Kumasaka, H.
- Organizer
  第13回岩の力学国内シンポジウム講演論文集(併催:日韓ジョイントシンポジウム), No.JK15
- Place of Presentation
  沖縄コンベンションセンター
- Data Source
  KAKENHI-PROJECT-24360187
[Presentation] Effect of desiccation on the strain and elastic wave velocities of Tage Tuff2012
- Author(s)
  Illankoon, T. N. , Osada, M., Adikaram, N. M.
- Organizer
  Proceedings of 7th Asian Rock Mechanics Symposium, ISRM Regional Symposium, pp.192-201
- Place of Presentation
  韓国. ソウル
- Data Source
  KAKENHI-PROJECT-24360187
[Presentation] 白浜砂岩の水浸に伴う内部空隙圧の発生と水質の変化2012
- Author(s)
  長田昌彦, 矢口亮介, 竹村貴人
- Organizer
  第47回地盤工学会研究発表会, 366
- Place of Presentation
  八戸工業大学
- Year and Date
  2012-07-15
- Data Source
  KAKENHI-PROJECT-24360187
[Presentation] Experimental Study on Fluid Flow Containing Microbubbles through Porous Sandstone and Sand Grains2012
- Author(s)
  Sudisman, R. A., Osada, M., Takemura, T., Takahashi, M.
- Organizer
  Proceedings of 7th Asian Rock Mechanics Symposium, ISRM Regional Symposium, pp. 1000-1009
- Place of Presentation
  韓国. ソウル
- Data Source
  KAKENHI-PROJECT-24360187
[Presentation] Effect of specimen height on deformation and elastic wave velocity of Tage tuff during drying2012
- Author(s)
  Illankoon, T. N. , Osada, M., Adikaram, N. M.
- Organizer
  土木学会年次学術講演会, CS4-048
- Place of Presentation
  名古屋大学
- Data Source
  KAKENHI-PROJECT-24360187
[Presentation] 常時微動計測による岩塊の振動特性の検討2012
- Author(s)
  茂木秀則 ,Sagar P. M.,長田昌彦
- Organizer
  第9回日本地震工学会年次大会
- Place of Presentation
  代々木
- Year and Date
  2012-11-12
- Data Source
  KAKENHI-PROJECT-22560474
[Presentation] 堆積岩の間隙構造の定量化に関する検討2012
- Author(s)
  多田浩幸, 熊坂博夫, 斎藤亮, 長田昌彦, 前川恵輔
- Organizer
  土木学会年次学術講演会, 3-377
- Place of Presentation
  名古屋大学
- Data Source
  KAKENHI-PROJECT-24360187
[Presentation] 屋久島花崗岩中のカルサイト充填割れ目の微視構造から類推されるその充填環境2011
- Author(s)
  長田昌彦 , 松下智昭, 須永俊之
- Organizer
  日本応用地質学会平成23年度研究発表会講演論文集
- Place of Presentation
  札幌
- Year and Date
  2011-10-27
- Data Source
  KAKENHI-PROJECT-22560474
[Presentation] 炭酸カルシ2011
- Author(s)
  松下智昭,長田昌彦,高橋学
- Organizer
  第40
- Place of Presentation
  四谷
- Year and Date
  2011-01-13
- Data Source
  KAKENHI-PROJECT-22560474
[Presentation] 屋久島花崗岩中のカルサイト充填割れ目の微視構造から類推されるその充填環境2011
- Author(s)
  長田昌彦, 松下智昭, 須永俊之
- Organizer
  日本応用地質学会平成23年度研究発表会講演論文
- Place of Presentation
  札幌市教育文化会館(北海道)
- Year and Date
  2011-10-27
- Data Source
  KAKENHI-PROJECT-22560474
[Presentation] Hydrogeological problems in the planning of restoration2006
- Author(s)
  Watanabe, K., Oguchi, T.C., Osada, M
- Organizer
  Training Course on conservation and management of earthen cultural heritage
- Place of Presentation
  Choga Zanbil, Iran(CD-ROM)
- Year and Date
  2006-12-11
- Data Source
  KAKENHI-PROJECT-18360225
[Presentation] Proposal on the international scientific organization supporting restoration and preservation of cultural heritage2006
- Author(s)
  Watanabe, K., Osada, M., Kawakami, E., Oguchi, T.C.
- Organizer
  Training Course on conservation and management of earthen cultural heritage
- Place of Presentation
  Choga Zanbil, Iran(CD-ROM)
- Year and Date
  2006-12-09
- Data Source
  KAKENHI-PROJECT-18360225
[Presentation] The use of triaxial strain gauge and laser displacement meter for drying shrinkage measurement: a comparative analysis
- Author(s)
  Illankoon, T. N., Otsuka, A. & Osada, M.
- Organizer
  土木学会　平成26年度全国大会　第69回年次学術講演会
- Place of Presentation
  大阪大学豊中キャンパス（大阪府豊中市）
- Year and Date
  2014-09-10 – 2014-09-12
- Data Source
  KAKENHI-PROJECT-24360187
[Presentation] Drying-induced deformation characteristics of rocks
- Author(s)
  Osada, M.
- Organizer
  8th Asian Rock Mechanics Symposium (受賞講演：The ISRM Franklin Lecture 2014)
- Place of Presentation
  札幌ロイトンホテル（北海道札幌市）
- Year and Date
  2014-10-14 – 2014-10-16
- Invited
- Data Source
  KAKENHI-PROJECT-24360187
[Presentation] トンネル壁面を模擬した蒸発環境における白浜砂岩の乾燥変形挙動
- Author(s)
  大竹伸太朗、長田昌彦
- Organizer
  土木学会岩盤力学委員会　第43回岩盤力学に関するシンポジウム講演集, pp.193-198
- Place of Presentation
  土木学会（東京都新宿区）
- Year and Date
  2015-01-08 – 2015-01-09
- Data Source
  KAKENHI-PROJECT-24360187
[Presentation] Effect of shrinkage level on elastic modulus in drying-induced deformation process of soft sedimentary rocks
- Author(s)
  Illankoon, T. N. & Osada, M.
- Organizer
  8th Asian Rock Mechanics Symposium
- Place of Presentation
  札幌ロイトンホテル（北海道札幌市）
- Year and Date
  2014-10-14 – 2014-10-16
- Data Source
  KAKENHI-PROJECT-24360187
[Presentation] 乾燥過程における白浜砂岩の挙動についての数値解析的検討
- Author(s)
  大竹伸太朗，長田昌彦
- Organizer
  第42回岩盤力学に関するシンポジウム講演集
- Place of Presentation
  土木学会(東京都)
- Data Source
  KAKENHI-PROJECT-24360187
[Presentation] Anisotropic behavior of a sedimentary rock in changing saturation
- Author(s)
  Adikaram, A. ａｎｄ Osada, M.
- Organizer
  Sri Lanka Japan collaborative Research SLJRC 2013
- Place of Presentation
  Sri Lanka(Earls Regency Hotel)
- Data Source
  KAKENHI-PROJECT-24360187
[Presentation] Strain Characteristic of Dried Rocks Sample Under Freezing and Thawing Condition
- Author(s)
  Rangga A. Sudisman, Tadashi Yamabe, and Masahiko Osada
- Organizer
  The 13th International Society of Rock Mechanics Congress
- Place of Presentation
  Montreal, Canada
- Year and Date
  2015-05-10 – 2015-05-13
- Data Source
  KAKENHI-PROJECT-26249068
[Presentation] Importance of Geology in civil engineering: a suggestion through our experiences and experiments
- Author(s)
  Osada, M.
- Organizer
  International Conference on Energy, Environment and Human Engineering　ICEEHE2013
- Place of Presentation
  Ｍｙａｎｍａｒ(Kandawgyi Hotel)
- Data Source
  KAKENHI-PROJECT-24360187
[Presentation] 堆積岩の初期乾燥変形挙動と空気侵入値の関係について
- Author(s)
  長田昌彦、Illankoon, T. N.、大塚絢香
- Organizer
  日本応用地質学会平成26年度研究発表会講演論文集
- Place of Presentation
  九州大学百年講堂（福岡県福岡市）
- Year and Date
  2014-10-29 – 2014-10-30
- Data Source
  KAKENHI-PROJECT-24360187
[Presentation] Strain Characteristic of Dried Rocks Sample Under Freezing and Thawing Condition
- Author(s)
  Rangga A. Sudisman, Tadashi Yamabe, and Masahiko Osada
- Organizer
  The 13thInternational Society of Rock Mechanics Congress
- Place of Presentation
  Montreal, Canada
- Year and Date
  2015-05-10 – 2015-05-13
- Data Source
  KAKENHI-PROJECT-26630218

1. YAMABE Tadashi (40125894)

# of Collaborated Projects: 11 results

# of Collaborated Products: 7 results
2. WATANABE Kunio (00008880)

# of Collaborated Projects: 6 results

# of Collaborated Products: 4 results
3. YOSHINAKA Ryunoshin (00008822)

# of Collaborated Projects: 4 results

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

# of Collaborated Projects: 4 results

# of Collaborated Products: 7 results
5. KAZAMA Hidehiko (40008868)

# of Collaborated Projects: 3 results

# of Collaborated Products: 0 results
6. 橘伸也 (90432567)

# of Collaborated Projects: 3 results

# of Collaborated Products: 0 results
7. OGUCHI Chiaki (20312803)

# of Collaborated Projects: 2 results

# of Collaborated Products: 4 results
8. ASAMOTO Shingo (50436333)

# of Collaborated Projects: 2 results

# of Collaborated Products: 0 results
9. ODA Masanobu (90008855)

# of Collaborated Projects: 2 results

# of Collaborated Products: 0 results
10. SATO Kuniaki (10008881)

# of Collaborated Projects: 2 results

# of Collaborated Products: 0 results
11. 富樫陽太 (90753294)

# of Collaborated Projects: 2 results

# of Collaborated Products: 10 results
12. KAWAKAMI Eiji (50125887)

# of Collaborated Projects: 1 results

# of Collaborated Products: 1 results
13. KUWANO Jirou (30178149)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
14. FUKAHORI Kiyotaka (70292646)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
15. MOGI Hidenori (80261882)

# of Collaborated Projects: 1 results

# of Collaborated Products: 2 results
16. MAEKAWA Keisuke (60421640)

# of Collaborated Projects: 1 results

# of Collaborated Products: 8 results
17. KUMASAKA Hiroo (20393556)

# of Collaborated Projects: 1 results

# of Collaborated Products: 4 results
18. TADA Hiroyuki (30416820)

# of Collaborated Projects: 1 results

# of Collaborated Products: 4 results
19. TOKUNAGA Tomochika (70237072)

# of Collaborated Projects: 1 results

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

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
21. OKUI Yoshiaki (40214051)

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OSADA Masahiko 長田 昌彦

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Development of a method to evaluate permeability of rock using barometric fluctuationPrincipal Investigator

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Coupled behavior between deformation and moisture distribution process considering structural anisotropy of sedimentary rockPrincipal Investigator

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礫分布特性を考慮した火山角礫岩の力学特性とそれに基づく原位置岩盤の評価手法の検討Principal Investigator

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OSADA Masahiko 長田昌彦