OBARA Yuzo 尾原祐三

… Alternative Names

尾原裕三オバラユウゾウ

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Researcher Number	50135315
Other IDs
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Affiliation (based on the past Project Information) *help	2012 – 2014: 熊本大学, 自然科学研究科, 教授 2010 – 2011: 熊本大学, 大学院・自然科学研究科, 教授 2007 – 2008: Kumamoto University, Graduate School of Science and Technology, Professor 2006: Kumamoto University, Graduate School of Science and Technology, Professor, 大学院自然科学研究科, 教授 1997 – 2005: Kumamoto Univ., Faculty of Eng., Professor, 工学部, 教授 … More 2001: 熊本大学, 自然科学研究科, 教授 1988 – 1996: Associate professor, Kumamoto University, 工学部, 助教授 1987 – 1988: Kumamoto University, Lecturer, 工学部, 講師 1986: 熊本大学, 工学部, 助手 Less
Review Section/Research Field	Principal Investigator 資源開発工学 / Earth system and resources enginnering / Earth system and resources engineering Except Principal Investigator 資源開発工学 / 資源開発工学 / 資源開発工学 / Geotechnical engineering / Earth system and resources enginnering
Keywords	Principal Investigator X-ray CT scanner / Rock bolt / Support system / Cable bolt / X線CTスキャナー / ロックボルト / 支保機構 / ケーブルボルト / Pressure of inorganic gas / Vapor pressure of organic materials … More / Water vapor pressure / Stress corrosion / Stength of rock / 圧裂試験 / 一軸圧縮試験 / 無機ガス圧 / 有機物蒸気圧 / 水蒸気圧 / 応力腐食 / 岩石強度 / Coal mine / Stability / Buckling / No-tension model / Cracked rock / Roof beam / たわみ解析 / 節理 / 岩盤梁 / 炭鉱 / 安定性 / 座屈 / No-tensionモデル / ひび割れ梁 / 天盤梁 / マイクロ岩石試験片 / 岩盤破壊力学 / 有限被膜法 / 巨視的破壊靱性 / 微視的破壊靱性 / マイクロ岩石供試体 / 破壊靱性試験 / 岩石破壊力学 / X線CT / 非破壊試験 / 可視化 / Ｘ線ＣＴ / ジオマテリアル / 弾性理論 / 孔壁変位分布 / レーザ変位計 / ボアホール / 岩盤応力測定法 / 岩盤応力 … More Except Principal Investigator 画像処理 / X線CT / 岩石 / X-ray CT / Rock / 岩盤応力 / 応力測定 / 初期応力 / CT / Visualization / 可視化 / 画像解析 / 応力解放法 / 岩盤 / 球状孔底ひずみ法 / 造影亀裂投影法 / Model test / 模型実験 / Image processing / 透水 / X線 / Dynamic fracture / Fracture mechanics / 破壊力学 / クラック / Erosion / Abrasive jet / 高速水噴流 / 石灰石 / 壊食 / アブレシブジェット / ウォータージェット / Fracture toughness / X線CTスキャナ / 応力腐食 / 破壊靱性 / Rock Blasting / Image Processing / TiNi alloy / 岩石破砕 / TiNi合金 / Hemispherical-ended Borehole Technique / Rock Stress Measurement / 岩盤計測 / 弾性波速度 / フラクタル / 孔底ひずみ法 / 有限要素法 / 不連続面 / 亀裂 / 断層 / 変位くい違い法 / 岩盤透水性 / リニアメント / スキャンライン法 / Rock Properties / Displacement Fields / Elasto-plastic Analysis / Sleeve Fracturing / Stress Relief Technique / Geological Discontinuity / In-situ Rock Stress / 応力解析 / 水圧破砕法 / 球面孔低ひずみ法 / 岩盤物性 / 岩盤の変形性 / 弾塑性解析 / スリ-ブフラクチャリング / 球面孔底ひずみ法 / 地質的不連続面 / In-situ rock stress / Hemispherical borehole technique / 高精度 / 球状孔低ひずみ法 / Stress measurment / Crack theory / Deformabilty / Mine pillar / 弾性定数 / クラック理論 / 変形特性 / 動的載荷試験 / 変形性評価理論 / 鉱柱 / Contrasted crack projection / Artificial marker method / Mechanical testing method / 人工マーカー法 / 力学試験法 / Direct share / Image analysis / Centrifuge model test / Auxiliary methods / Face failure / Tunnel / 一面せん断 / 遠心実験 / 補助工法 / 切羽崩壊 / トンネル / Saturated-unsaturated high pressure permeation / Crack projection method / Convection of materials in rock / Non-destructive testing method / トレーサー密度時間積分 / 移流拡散 / 飽和・不飽和高圧透水 / 岩石内物質移動 / 岩石非破壊試験 / Image processing analysis / Three dimensions / X-ray CT scanner / Lateral bearing capacity / Vertical bearing capacity / Pile Foundation / 3次元 / 水平支持力メカニズム / 鉛直支持力メカニズム / 杭基礎 / Tracer X-ray CT method / Tracer / Contaminants / Transport-diffusion in the basement / トレーサー実験 / 造影剤 / トレーサーX線CT法 / トレーサー / 汚染物質 / 地中輸送拡散 / Limestone / Open cut mine / Rock stress / Regional stress / Slope failure / Tiltmeter / Rock slope / Stability monitoring / 地球潮汐 / 露天採掘 / 残壁 / 露天採掘鉱山 / 広域応力 / 斜面崩壊 / 傾斜計 / 岩盤斜面 / 安定性監視 / Diffusion / Permeation / Fluid flow at a high temperature / Computed Tomography / X-ray / 拡散 / 熱水流動 / Erosion Strength / Chipping / Rock Mass / Drilling / Water Jet / 引張破壊 / ウオータージェット / 壊食強度 / 穿孔 / 掘削 / ウオーターシ゜ェツト / Permiability / Destruction / X-Ray CT / X-Ray / 破壊 / Super-elastic alloy / Smooth Blasting / VSP probe / Blast-damaged zone / P波速度 / 損傷 / 発破 / ボアホール / 検層 / 動的破砕 / 超弾性合金 / スムースブラスティング / VSPプローブ / 発破損傷 / 岩石発破 / Fault / Hydrothermal / Volcanic activity / Hot spring / Scintillation counter / Soil gas / alpha particle / Radon / シンチレーションカウンター / 熱水 / 火山活動 / 温泉 / シンチレーションカウンター法 / 土壌ガス / α粒子 / ラドン / Rock Splitting / X-ray CT Scan / Crack / 圧縮試験 / 紫外線 / 蛍光剤 / 動的破壊 / X線CTスキャン / き裂 / Velocity of erosion / Incident velocity of water jet / Water jet cutting / Impact force measurement / Water jet technology / 入射速度 / 壊食効果 / ォータージェット / 壊食速度 / 噴流速度 / 送り切削 / 衝突力測定 / Rock fracture mechanics / Crack propagation / Class II failure / Post failure behavior / Fracture of rock / き裂の可視化 / 破壊モード / ぜい性破壊 / 岩石力学 / 岩石破壊力学 / き裂進展 / クラスII破壊 / 破壊度挙動 / 岩石破壊 / Strength of Rocks / Water Vapor Pressure / Vacuum Effect / Stress Corrosion / Uniaxial Compression Test / Rocks / クリープ強度 / マルチクラック / 天然バリア / 地層処分 / 一軸圧縮試験 / 岩石強度 / 水蒸気圧 / 真空効果 / Water jet mill / Rock cutting / Coanda nozzle / Fragmentation / Water jet / 重質タンカル / 湿式粉砕機 / 超徴粉製造 / ウォータージェットミル / 岩石切削 / コアンダノズル / 粉砕 / Spectral reflectance pattern / Ground-water resource / Image classification / Neural network / Digital Elevation Model / Lineament / SPOT image / LANDSAT TM image / ランベルトモデル / 太陽照射効果 / スペクトル情報 / エッジ検出 / 分光反射特性 / 地下水資源 / 画像分類 / ニューラルネットワーク / 数値地形モデル / スポット画像 / ランドサットTM画像 / Freezing and thawing / Stress corrosion / Strength deterioration / Weathering / 徴小硬度 / 岩石強度劣化 / 凍結融解 / 強度劣化 / 風化 / Fragment Size / Image Binarizing / Open Pit Mine / Rock Fragmentation / 計量形態学 / 発破砕起物 / 輝度ヒストグラム / 最大粒径 / 2値化画像 / 石灰石露天採掘 / 粒度分析 / 2値化処理 / 写真測量 / 発破設計 / 粒度分布 / 発破起砕物 / ベンチカット採掘 / 露天掘鉱山 / Rock splitter / Static rock splitting / Reversible shape memory effect / Shape memory alloy / チタンニッケル合金 / コンクリ-ト破砕 / 無発破破砕工法 / 岩石破砕器 / 光石破砕器 / 岩石静的破砕 / 可逆形状記憶効果 / 形状記憶合金 / Accuracy of Rock Stress Determination / Conical-ended borehole Technique / Stress Relief Method / 応力解放 / 岩盤応力測定 / Finite Element Method / Hydraulic Fracturing / 岩盤初期応力 / 水圧破砕 / Structure of crack / Visual information technique / Frost action test / Elastic wave velocity / Cyclic heating / Long-term stability / 弾性波探査 / 亀裂調査 / 岩盤変形性 / 不連続性岩盤 / 岩石の耐久性 / 弾性波伝播速度測定 / 内部クラック / 亀裂構造 / 凍結融解試験 / 低温熱サイクル / 長期安定性 / 対策工 / 地盤防災 / 下水管渠 / 地盤工学 / き裂面上応力 / 残留応力 / フクラルタル / 自己相似性 / 抽熱岩体 / 透水試験 / 透水テンソル / 透水係数 / デ-タベ-ス / き裂モデル / 岩盤き裂 / 相似性 / 花崗岩体 / ボアホ-ルテレビ / 3次元亀裂分布 / 岩盤不連続性 Less

Innovation of fracture toughness test for new horizon of rock fracture mechanicsPrincipal Investigator
- Principal Investigator
  
  OBARA Yuzo
- Project Period (FY)
  2013 – 2014
- Research Category
  
  Grant-in-Aid for Challenging Exploratory Research
- Research Field
  
  Earth system and resources engineering
- Research Institution
  Kumamoto University
Visualization innovation of structure and phenomena in the geo-materials leaded by non-destructive visualization method, X-ray CT methodPrincipal Investigator
- Principal Investigator
  
  OBARA Yuzo
- Project Period (FY)
  2011 – 2014
- Research Category
  
  Grant-in-Aid for Scientific Research (A)
- Research Field
  
  Earth system and resources enginnering
- Research Institution
  Kumamoto University
Study on the loosening mechanism of the ground due to aging of sewerage pipes and its countermeasure methods
- Principal Investigator
  
  OTANI Jun
- Project Period (FY)
  2008 – 2010
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Research Field
  
  Geotechnical engineering
- Research Institution
  Kumamoto University
Development of the high performance mechanical tests method of rock materials by means of X-ray CT
- Principal Investigator
  
  SUGAWARA Katsuhiko
- Project Period (FY)
  2006 – 2007
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Research Field
  
  Earth system and resources enginnering
- Research Institution
  Kumamoto University
Development of new tunneling method using X-ray CT
- Principal Investigator
  
  OTANI Jun
- Project Period (FY)
  2005 – 2006
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Research Field
  
  Geotechnical engineering
- Research Institution
  Kumamoto University
Development of the non-destructive geomaterilas testing method by means of X-ray CT
- Principal Investigator
  
  SUGAWARA Katsuhiko
- Project Period (FY)
  2004 – 2005
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Research Field
  
  Earth system and resources enginnering
- Research Institution
  Kumamoto University
Evaluation of three dimensional vertical and lateral bearing capacities of pile foundations using X-ray CT
- Principal Investigator
  
  OTANI Jun
- Project Period (FY)
  2003 – 2004
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Research Field
  
  Geotechnical engineering
- Research Institution
  Kumamoto University
Development of design method for support system of cavern using cable boltPrincipal Investigator
- Principal Investigator
  
  OBARA Yuzo
- Project Period (FY)
  2003 – 2004
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Research Field
  
  Earth system and resources enginnering
- Research Institution
  Kumamoto University
ボアホール孔壁変位計測に基づく新しい岩盤応力測定法の開発Principal Investigator
- Principal Investigator
  
  尾原祐三
- Project Period (FY)
  2002 – 2003
- Research Category
  
  Grant-in-Aid for Exploratory Research
- Research Field
  
  資源開発工学
- Research Institution
  Kumamoto University
Fundamental research for transport-diffusion of contaminants in the basement
- Principal Investigator
  
  SUGAWARA Katsuhiko
- Project Period (FY)
  2002 – 2003
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Research Field
  
  資源開発工学
- Research Institution
  Kumamoto University
Visualization of thermal fluid flow in rock sample by X-ray Computed Tomography
- Principal Investigator
  
  SUGAWARA Katsuhiko
- Project Period (FY)
  2000 – 2001
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Research Field
  
  資源開発工学
- Research Institution
  Kumamoto University
Monitoring of Rock Slope Stability by the use of high Sensitive Tiltmeter
- Principal Investigator
  
  KANEKO Katsuhiko
- Project Period (FY)
  2000 – 2001
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Research Field
  
  資源開発工学
- Research Institution
  HOKKAIDO UNIVERSITY
Improvement of Nondestructive Structure Imaging for Rock by X-ray Computed Tomography
- Principal Investigator
  
  SUGAWARA Katsuhiko
- Project Period (FY)
  1998 – 1999
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Research Field
  
  資源開発工学
- Research Institution
  Kumamoto University
Development of a High-Speed Rock Excavation System using Water Jet
- Principal Investigator
  
  SUGAWARA Katsuhiko
- Project Period (FY)
  1998 – 1999
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Research Field
  
  資源開発工学
- Research Institution
  Kumamoto University
Fundamental study on strength of rock under high water vapor pressurePrincipal Investigator
- Principal Investigator
  
  OBARA Yuzo
- Project Period (FY)
  1997 – 1998
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  資源開発工学
- Research Institution
  Kumamoto University
THREE DIMENSIONAL VISUALIZATION OF ROCK FRACTURING PROCESS
- Principal Investigator
  
  KANEKO Katsuhiko
- Project Period (FY)
  1996 – 1997
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Research Field
  
  資源開発工学
- Research Institution
  HOKKAIDO UNIVERSITY
  Kumamoto University
Construction of Evaluation System for Hydrothermal Resources Using Soil Gas Method
- Principal Investigator
  
  OHMI Michito
- Project Period (FY)
  1996 – 1997
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Research Field
  
  資源開発工学
- Research Institution
  Kumamoto University
Development of VSP Probe for Inspection of Blast Damaged Zone
- Principal Investigator
  
  KANEKO Katsuhiko
- Project Period (FY)
  1996 – 1997
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Research Field
  
  資源開発工学
- Research Institution
  HOKKAIDO UNIVERSITY
  Kumamoto University
Estimation of characteristics of water jets by means of impact force measurement
- Principal Investigator
  
  SUGAWARA Katsuhiko
- Project Period (FY)
  1995 – 1996
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Research Field
  
  資源開発工学
- Research Institution
  Kumamoto University
Study on the stability of roof beam consisted of cracked rockPrincipal Investigator
- Principal Investigator
  
  OBARA Yuzo
- Project Period (FY)
  1995 – 1996
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  資源開発工学
- Research Institution
  Kumamoto University
マルチクラック岩盤の初期応力に関する研究
- Principal Investigator
  
  菅原勝彦
- Project Period (FY)
  1994
- Research Category
  
  Grant-in-Aid for Scientific Research on Priority Areas
- Research Institution
  Kumamoto University
Experimental Study on Stress Corrosion and Vacuum Effect of Rocks
- Principal Investigator
  
  OKAMURA Hiroshi
- Project Period (FY)
  1994 – 1995
- Research Category
  
  Grant-in-Aid for General Scientific Research (B)
- Research Field
  
  資源開発工学
- Research Institution
  Kumamoto University
岩石の圧縮破壊過程とそのメカニズムに関する研究
- Principal Investigator
  
  KANEKO Katsuhiko
- Project Period (FY)
  1994 – 1995
- Research Category
  
  Grant-in-Aid for General Scientific Research (B)
- Research Field
  
  資源開発工学
- Research Institution
  Kumamoto University
抽熱岩体の初期応力分布とその自己相似性に関する研究
- Principal Investigator
  
  菅原勝彦
- Project Period (FY)
  1993
- Research Category
  
  Grant-in-Aid for Scientific Research on Priority Areas
- Research Institution
  Kumamoto University
岩盤の残留応力に関する基礎的研究
- Principal Investigator
  
  金子勝比古
- Project Period (FY)
  1993
- Research Category
  
  Grant-in-Aid for General Scientific Research (C)
- Research Field
  
  資源開発工学
- Research Institution
  Kumamoto University
Fundamental study on strength deterioration rate of weathered rocks
- Principal Investigator
  
  SUGAWARA Katsuhiko
- Project Period (FY)
  1993 – 1994
- Research Category
  
  Grant-in-Aid for General Scientific Research (B)
- Research Field
  
  資源開発工学
- Research Institution
  Kumamoto University
Development of Processing System for Composite Images of SPOT and LANDSAT for the Analyzes of Earth Environment and Natural Resources
- Principal Investigator
  
  OHMI Michito
- Project Period (FY)
  1993 – 1994
- Research Category
  
  Grant-in-Aid for Developmental Scientific Research (B)
- Research Field
  
  資源開発工学
- Research Institution
  Kumamoto University
Production of fine grain limestone by means of focusing and rounding water jets
- Principal Investigator
  
  SUGAWARA Katsuhiko
- Project Period (FY)
  1993 – 1994
- Research Category
  
  Grant-in-Aid for Developmental Scientific Research (B)
- Research Field
  
  資源開発工学
- Research Institution
  Kumamoto University
The rapid evaluation system of blast fragmentation in open pit mine.
- Principal Investigator
  
  OKAMURA Hiroshi
- Project Period (FY)
  1992 – 1993
- Research Category
  
  Grant-in-Aid for Developmental Scientific Research (B)
- Research Field
  
  資源開発工学
- Research Institution
  Kumamoto University
Rock Stress Measurement by Hydraulic Fracturing with Hemispherical-ended Borehole
- Principal Investigator
  
  OKAMURA Hiroshi
- Project Period (FY)
  1991 – 1992
- Research Category
  
  Grant-in-Aid for General Scientific Research (B)
- Research Field
  
  資源開発工学
- Research Institution
  Kumamoto University
Rock Stress Measurement by Means of Conical-ended Borehole
- Principal Investigator
  
  SUGAWARA Katsuhiko
- Project Period (FY)
  1991 – 1992
- Research Category
  
  Grant-in-Aid for Developmental Scientific Research (B)
- Research Field
  
  資源開発工学
- Research Institution
  Kumamoto University
可逆形状記憶合金を用いた岩石破砕器の開発
- Principal Investigator
  
  KANEKO Katsuhiko
- Project Period (FY)
  1991 – 1992
- Research Category
  
  Grant-in-Aid for Developmental Scientific Research (B)
- Research Field
  
  資源開発工学
- Research Institution
  Kumamoto University
能動的地熱抽出における岩盤不連続性調査システムに関する研究
- Principal Investigator
  
  SUGAWARA Katsuhiko
- Project Period (FY)
  1990
- Research Category
  
  Grant-in-Aid for Scientific Research on Priority Areas
- Research Institution
  Kumamoto University
花崗岩体を対象とした岩盤水理モデルに関する研究
- Principal Investigator
  
  金子勝比古
- Project Period (FY)
  1990
- Research Category
  
  Grant-in-Aid for General Scientific Research (C)
- Research Field
  
  資源開発工学
- Research Institution
  Kumamoto University
Study on Long-term Stability of Rock
- Principal Investigator
  
  SUGAWARA Katsuhiko
- Project Period (FY)
  1989 – 1990
- Research Category
  
  Grant-in-Aid for General Scientific Research (B)
- Research Field
  
  資源開発工学
- Research Institution
  Kumamoto University
Initial Stress in Underground Rocks
- Principal Investigator
  
  OKAMURA Hiroshi
- Project Period (FY)
  1988 – 1989
- Research Category
  
  Grant-in-Aid for General Scientific Research (B)
- Research Field
  
  資源開発工学
- Research Institution
  Kumamoto University
Miniaturization of the system and improvement of the accuracy for Hemispherical Ended Borehole Technique
- Principal Investigator
  
  OKAMURA Hiroshi
- Project Period (FY)
  1987 – 1988
- Research Category
  
  Grant-in-Aid for Developmental Scientific Research
- Research Field
  
  資源開発工学
- Research Institution
  Kumamoto University
Fundamental study on deformabiliy of mine pillar
- Principal Investigator
  
  OKAMURA Hiroshi
- Project Period (FY)
  1985 – 1987
- Research Category
  
  Grant-in-Aid for General Scientific Research (A)
- Research Field
  
  資源開発工学
- Research Institution
  Kumamoto University

All 2014 2013 2012 2010 2008 2007 2006 2005 2004 2003 2002 2001 Other

All Journal Article Presentation

[Journal Article] Influence of Loading Rate on Fracture Toughness of Rock by Semi-Circular Bend (SCB) Test2014
- Author(s)
  Minami Kataoka, Hyeong-Min Kang, Sang-Ho Cho,Yuzo Obara
- Journal Title
  
  Proceedings of 8th Asian Rock Mechanics Symposium
  
  Volume: 1
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-25630416
[Journal Article] Estimation of Fracture Toughness of Anisotropic Rocks by Semi-Circular Bend (SCB) Tests Under Water Vapor Pressure2014
- Author(s)
  M. Kataoka, Y. Obara, M. Kuruppu
- Journal Title
  
  Rock Mech Rock Eng
  
  Volume: 47 Issue: 4 Pages: 267-274
- DOI
  10.1007/s00603-014-0665-y
- NAID
  120006600481
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-23246156, KAKENHI-PROJECT-25630416, KAKENHI-PROJECT-14J09515
[Journal Article] A new testing method to estimate microscopic fracture toughness of rock2014
- Author(s)
  M. Kataoka, T. Ito, K. Takashima, Y. Obara
- Journal Title
  
  Proceedings of ROCKMEC’2014-XIth Regional Rock Mechanics Symposium
  
  Volume: 1 Pages: 91-96
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-25630416
[Journal Article] Determination of Dynamic Fracture Toughness of Rocks using Straight Notched Disk Bending (SNDB) Specimen2014
- Author(s)
  S.H Cho, H.M Kang, M.S Kim, H. Eustache, M.Kataoka, Y.Obara, K.Xia
- Journal Title
  
  Proceedings of 8th Asian Rock Mechanics Symposium
  
  Volume: 1
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-25630416
[Journal Article] Influence of Loading Rate on Fracture Toughness of Rock by Semi-Circular Bend (SCB) Test2014
- Author(s)
  Minami Kataoka, Hyeong-Min Kang, Sang-Ho Cho,Yuzo Obara
- Journal Title
  
  Proceedings of 8th Asian Rock Mechanics Symposium, Sapporo, Japan
  
  Volume: -
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23246156
[Journal Article] ISRM-Suggested Method for Determining the Mode I Static Fracture Toughness Using Semi-Circular Bend Specimen2014
- Author(s)
  M. D. Kuruppu, Y. Obara, M. R. Ayatollahi, K. P. Chong, T. Funatsu
- Journal Title
  
  Rock Mech Rock Eng
  
  Volume: 47 Pages: 267-274
- NAID
  120006594966
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23246156
[Journal Article] Determination of Dynamic Fracture Toughness of Rocks using Straight Notched Disk Bending (SNDB) Specimen2014
- Author(s)
  S.H Cho, H.M Kang, M.S Kim, H. Eustache, M.Kataoka, Y.Obara, K.Xia
- Journal Title
  
  Proceedings of 8th Asian Rock Mechanics Symposium, Sapporo, Japan
  
  Volume: -
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23246156
[Journal Article] Development of an ISRM Suggested Method for Determining Mode I Static Fracture Toughness2014
- Author(s)
  M.D. Kuruppu, Y. Obara, M.R. Ayatollahi, K.P. Chong, T. Funatsu
- Journal Title
  
  Proceedings of 8th Asian Rock Mechanics Symposium
  
  Volume: 1
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-25630416
[Journal Article] Development of an ISRM Suggested Method for Determining Mode I Static Fracture Toughness2014
- Author(s)
  M.D. Kuruppu, Y. Obara, M.R. Ayatollahi, K.P. Chong, T. Funatsu
- Journal Title
  
  Proceedings of 8th Asian Rock Mechanics Symposium, Sapporo, Japan
  
  Volume: -
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23246156
[Journal Article] A method for Measurement of rock stress change - Cross-sectional borehole deformation method -2014
- Author(s)
  Y. Obara, T. Yoshinaga, M. Kataoka, T. Yokoyama
- Journal Title
  
  International Journal of the JCRM
  
  Volume: 10 Pages: 5-10
- NAID
  130004709082
- Data Source
  KAKENHI-PROJECT-25630416
[Journal Article] Analysis of damage in specimen under cyclic uniaxial loading test by X-ray CT method2014
- Author(s)
  Jahe Jung, Makoto Hamachi, Yuzo Obara, Izumi Tanikura, Shinya Watanabe
- Journal Title
  
  Proceedings of 8th Asian Rock Mechanics Symposium, Sapporo, Japan
  
  Volume: -
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23246156
[Journal Article] SCB試験による水蒸気圧下での種類の異なる岩石の破壊靭性の評価2013
- Author(s)
  尾原祐三
- Journal Title
  
  Journal of MMIJ
  
  Volume: 129 Pages: 425-432
- NAID
  10031182240
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23246156
[Journal Article] Influence of water vapor pressure in surrounding environment on strength and fracture toughness of rocks2013
- Author(s)
  M. Kataoka , Y. Obara , H.S. Jeong
- Journal Title
  
  Proceedings of EUROCK 2013
  
  Volume: 1 Pages: 278-292
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-25630416
[Journal Article] ISRM-Suggested Method for Determining the Mode I Static Fracture Toughness Using Semi-Circular Bend Specimen2013
- Author(s)
  Y. Obara
- Journal Title
  
  Rock Mech Rock Eng
  
  Volume: 47 Issue: 1 Pages: 267-274
- DOI
  10.1007/s00603-013-0422-7
- NAID
  120006594966
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23246156
[Journal Article] SCB試験による水蒸気圧下での種類の異なる岩石の破壊靭性の評価2013
- Author(s)
  片岡みなみ，尾原祐三
- Journal Title
  
  Journal of MMIJ
  
  Volume: 129 Pages: 425-432
- NAID
  10031182240
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-25630416
[Journal Article] Influence of water vapor pressure in surrounding environment on strength and fracture toughness of rocks2013
- Author(s)
  Y. Obara
- Journal Title
  
  The 2013 ISRM International Symposium (EUROCK 2013), Wroclaw, Poland
  
  Volume: 1 Pages: 287-292
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23246156
[Journal Article] 孔壁変位測定法(CBDM)の岩盤応力変化測定への適用に関する研究2012
- Author(s)
  尾原祐三
- Journal Title
  
  Journal of MMIJ
  
  Volume: 128 Pages: 432-439
- NAID
  10030172463
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23246156
[Journal Article] X線CT法による硬化コンクリートの特性評価2010
- Author(s)
  天明敏行, 尾原祐三, 堤知明, 村上祐治
- Journal Title
  
  コンクリート工学年次論文集 Vol.32, No.1
  
  Pages: 545-550
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20360213
[Journal Article] 室内引抜試験におけるケーブルボルトの力学的挙動2008
- Author(s)
  前野保一, 川野龍一, 姜聲承, 尾原祐三
- Journal Title
  
  Journal of MMIJ Vol.124
  
  Pages: 756-764
- NAID
  10023989004
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20360213
[Journal Article] Influence of water vapor pressure of surrounding environment on the fracture toughness and crack velocity of rocks2007
- Author(s)
  Y.Obara
- Journal Title
  
  Proceedings of 11^<th> ISRM Congress Vol.1
  
  Pages: 51-54
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-18360431
[Journal Article] Influence of water vapor pressure of surrounding environment on fracture toughness and crack velocity of rocks2007
- Author(s)
  Y., Obara, K., Sasaki, T., Yoshinaga, Y., Suzuki
- Journal Title
  
  Proceedings of 11th ISRM 2007 1
  
  Pages: 51-55
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-18360431
[Journal Article] Influence of water vapor pressure of surrounding environment on the fracture toughness and crack velocity of rocks2007
- Author(s)
  Y. Obara
- Journal Title
  
  Proceedings of 11th ISRM Congress Vol.1
  
  Pages: 51-54
- Description
  「研究成果報告書概要(和文)」より
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-18360431
[Journal Article] Evaluation of water cement ratio of hardened concrete by means of X-ray CT method2007
- Author(s)
  Y.Obara
- Journal Title
  
  Advances in X-ray Tomography for Geomaterials
  
  Pages: 443-448
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-18360431
[Journal Article] Evaluation of Water Cement Ratio of Hardened Concrete by X-rayCT Method2006
- Author(s)
  Y.Obara
- Journal Title
  
  Advances in X-ray Tomography for Geomaterials
  
  Pages: 443-449
- Data Source
  KAKENHI-PROJECT-18360431
[Journal Article] Evaluation of water cement ratio of hardened concrete by means of X-ray CT method2006
- Author(s)
  Y. Obara
- Journal Title
  
  Advances in X-ray Tomography for Geomaterials
  
  Pages: 443-448
- Description
  「研究成果報告書概要(和文)」より
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-18360431
[Journal Article] Evaluation of water cement ratio of hardened concrete by means of X-ray CT method2006
- Author(s)
  T., Temmyo, Y., Murakami, Y., Obara
- Journal Title
  
  Advances in X-ray Tomography for Geomaterials
  
  Pages: 443-448
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-18360431
[Journal Article] 熊本安山岩の応力腐食指数2005
- Author(s)
  尾原祐三
- Journal Title
  
  資源と素材 121・4/5
  
  Pages: 265-270
- NAID
  10022572207
- Description
  「研究成果報告書概要(和文)」より
- Data Source
  KAKENHI-PROJECT-16360451
[Journal Article] Estimation of mechanical behavior of rock slope using a high-resolution borehole tilt-meter2005
- Author(s)
  E.Nishiyama, S.S.Kang, Y.Obara, A.Hirata
- Journal Title
  
  Proc.of EUROCK2005
  
  Pages: 413-418
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-16360451
[Journal Article] Estimation of mechanical behavior of rock slope using a high-resolution borehole tilt-meter at an open pit limestone mine2005
- Author(s)
  Y.Obara
- Journal Title
  
  Proc.of EUROCK2005
  
  Pages: 25-30
- Data Source
  KAKENHI-PROJECT-16360451
[Journal Article] Estimation of mechanical behavior of rock slope using a high-resolution borehole tilt-meter at an open pit limestone mine2005
- Author(s)
  Y.Obara
- Journal Title
  
  Proc. of EUROCK2005
  
  Pages: 25-30
- Description
  「研究成果報告書概要(和文)」より
- Data Source
  KAKENHI-PROJECT-16360451
[Journal Article] Stress corrosion index of Kumamoto andesite2005
- Author(s)
  Y.Obara, H.S.Jeong, T.Matsuyama, Y.Nara, K.Kaneko
- Journal Title
  
  Shigen-to-Sozai Vol.121, No.4/5
  
  Pages: 84-89
- NAID
  10015701143
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-16360451
[Journal Article] Measurement of local stress and estimation of regional stress2004
- Author(s)
  Y.Obara
- Journal Title
  
  Proc.of First Asia-Oceania Geosciences Society Annual Meeting
- Data Source
  KAKENHI-PROJECT-16360451
[Journal Article] Cross-sectional Borehole Deformation Method (CBDM) for Rock Stress Measurement2004
- Author(s)
  Y.Obara
- Journal Title
  
  Proc.of 3rd ARMS 12
- Data Source
  KAKENHI-PROJECT-16360451
[Journal Article] Pull tests of long-embedded cable bolts2003
- Author(s)
  T.Aoki, K.Shibata, F.Nakahara, Y.Maeno, R.Kawano, Y.Obara
- Journal Title
  
  Proc of 10^<th> ISRM Congress, South Africa(Johannesburg)
  
  Pages: 45-48
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-15360477
[Journal Article] Visualization of bond failure in a pull-out test of rock bolts and cable bolts using X-ray CT2003
- Author(s)
  F.Ito, T.Aoki, Y.Obara
- Journal Title
  
  Proc.of Int.Workshop on X-ray CT for Geomaterials
  
  Pages: 305-314
- Description
  「研究成果報告書概要(和文)」より
- Data Source
  KAKENHI-PROJECT-15360477
[Journal Article] Visualization of bond failure in a pull-out test of rock bolts and cable bolts using X-ray CT2003
- Author(s)
  F.Ito, T.Aoki, Y.Obara
- Journal Title
  
  Proc.of Int.Workshop on X-ray CT for Geomaterials, Japan(Kumamoto)
  
  Pages: 305-314
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-15360477
[Journal Article] Bond failure of rock bolts and cable bolts in a pull-out test2002
- Author(s)
  Y.Obara, Y.Maeno, R.Kawano, F.Ito, F.Nakahara
- Journal Title
  
  J.of JSCE No.708/III-59
  
  Pages: 97-106
- NAID
  10008850410
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-15360477
[Journal Article] Pull tests of long-embedded cablebolts2002
- Author(s)
  T.Aoki, K.Shibata, F.Nakahara, Y.Maeno, R.Kawano, Y.Obara
- Journal Title
  
  Proc of 10^<th> ISRM Congress
  
  Pages: 45-49
- Description
  「研究成果報告書概要(和文)」より
- Data Source
  KAKENHI-PROJECT-15360477
[Journal Article] 引抜試験におけるボルトの付着破壊2002
- Author(s)
  尾原祐三, 前野保一, 川野龍一, 伊藤文雄, 中原史晴
- Journal Title
  
  土木学会論文集 III-5
  
  Pages: 123-234
- NAID
  10008850410
- Description
  「研究成果報告書概要(和文)」より
- Data Source
  KAKENHI-PROJECT-15360477
[Journal Article] Laboratory pull-out tests of cablebolts2002
- Author(s)
  T.Aoki, Y.Maeno, K.Shibata, Y.Obara
- Journal Title
  
  Proc.of EUROCK 2002 Conference
  
  Pages: 599-606
- Description
  「研究成果報告書概要(和文)」より
- Data Source
  KAKENHI-PROJECT-15360477
[Journal Article] Laboratory pull-out tests of cable bolts2002
- Author(s)
  T.Aoki, Y.Maeno, K.Shibata, Y.Obara
- Journal Title
  
  Proc.of EUROCK 2002 Conference, Portuguese(Funchal)
  
  Pages: 599-606
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-15360477
[Journal Article] Visualization of failure in a pull-out test of cable bolts using X-ray CT2001
- Author(s)
  F.Ito, F.Nakahara, R.Kawano, S.S.Kang, Y.Obara
- Journal Title
  
  Construction and Building Materials Vol.15
  
  Pages: 263-270
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-15360477
[Journal Article] Visualization of failure in a pull-out test of cable bolts using X-ray CT2001
- Author(s)
  F.Ito, F.Nakahara, R.Kawano, S.S.Kang, Y.Obara
- Journal Title
  
  Construction and Building Materials 15
  
  Pages: 267-270
- Description
  「研究成果報告書概要(和文)」より
- Data Source
  KAKENHI-PROJECT-15360477
[Presentation] X線CT法を用いたはつりによるコンクリートの劣化評価2014
- Author(s)
  濵地亮，鄭慈恵，尾原祐三，谷倉泉
- Organizer
  資源・素材学会九州支部例会講演会
- Place of Presentation
  九州大学（福岡市）
- Year and Date
  2014-05-30
- Data Source
  KAKENHI-PROJECT-23246156
[Presentation] 花崗岩を構成する鉱物粒子の破壊靭性の評価2014
- Author(s)
  澤城光二郎,片岡みなみ,伊東孝史，高島和希,尾原祐三
- Organizer
  資源・素材学会九州支部例会講演会
- Place of Presentation
  九州大学（福岡市）
- Year and Date
  2014-05-30
- Data Source
  KAKENHI-PROJECT-23246156
[Presentation] 岩石の亀裂進展速度に及ぼす水上気圧の影響2007
- Author(s)
  尾原祐三
- Organizer
  資源・素材学会
- Place of Presentation
  早稲大学
- Year and Date
  2007-03-27
- Description
  「研究成果報告書概要(和文)」より
- Data Source
  KAKENHI-PROJECT-18360431
[Presentation] Influence of water vapor pressure of surrounding environment on fracture toughness and crack velocity of rocks2007
- Author(s)
  Y., Obara, K., Sasaki, T., Yoshinaga, Y., Suzuki
- Organizer
  The 11th International Congress of ISRM
- Place of Presentation
  Lisboa
- Year and Date
  2007-07-14
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-18360431
[Presentation] Evaluation of water cement ratio of hardened concrete by means of X-ray CT method2006
- Author(s)
  T., Temmyo, Y., Murakami, Y., Obara
- Organizer
  International Workshop on X-ray CT for geomaterials GeoX 2006
- Place of Presentation
  Aussois
- Year and Date
  2006-10-07
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-18360431
[Presentation] 花崗岩を構成する鉱物粒子の破壊靱性
- Author(s)
  片岡みなみ、澤城光二朗、伊東孝史、高島和希、尾原祐三
- Organizer
  資源・素材関係学協会合同秋季大会
- Place of Presentation
  熊本大学（熊本市）
- Year and Date
  2014-09-15 – 2014-09-18
- Data Source
  KAKENHI-PROJECT-23246156
[Presentation] 岩石の微視的破壊靱性評価の試み
- Author(s)
  片岡みなみ・伊東孝史・山室賢輝・高島和希・尾原祐三
- Organizer
  資源・素材学会　九州支部　（例会講演会）
- Place of Presentation
  熊本大学
- Data Source
  KAKENHI-PROJECT-25630416
[Presentation] Analysis of stress intensity factor of semi-circular bend specimen with chevron notch by finite element method
- Author(s)
  Eqlima Mahdavi , Yuzo Obara, Majid Reza Ayatollahi
- Organizer
  平成27年度資源・素材学会春季大会講演要旨集
- Place of Presentation
  千葉工業大学（習志野市）
- Year and Date
  2015-03-26 – 2015-03-28
- Data Source
  KAKENHI-PROJECT-23246156

1. SUGAWARA Katsuhiko (60109668)

# of Collaborated Projects: 23 results

# of Collaborated Products: 0 results
2. KOIKE Katsuaki (80205294)

# of Collaborated Projects: 19 results

# of Collaborated Products: 0 results
3. KANEKO Katsuhiko (20128268)

# of Collaborated Projects: 18 results

# of Collaborated Products: 0 results
4. NAKAYAMA Tomoharu (70207950)

# of Collaborated Projects: 12 results

# of Collaborated Products: 0 results
5. OTANI Jun (30203821)

# of Collaborated Projects: 10 results

# of Collaborated Products: 0 results
6. OMI Michito (30040405)

# of Collaborated Projects: 9 results

# of Collaborated Products: 0 results
7. SATO Akira (40305008)

# of Collaborated Projects: 9 results

# of Collaborated Products: 0 results
8. OKAMURA Hiroshi (40040373)

# of Collaborated Projects: 9 results

# of Collaborated Products: 0 results
9. MUKUNOKI Toshifumi (30423651)

# of Collaborated Projects: 3 results

# of Collaborated Products: 0 results
10. HIRATA Atsuo (20279376)

# of Collaborated Projects: 3 results

# of Collaborated Products: 0 results
11. NISHIDA Minoru (90183540)

# of Collaborated Projects: 2 results

# of Collaborated Products: 0 results
12. KATO Masaji (10250474)

# of Collaborated Projects: 2 results

# of Collaborated Products: 0 results
13. 高島和希 (60163193)

# of Collaborated Projects: 2 results

# of Collaborated Products: 0 results
14. YAMADA Fumihiko (60264280)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
15. ASAUE Hisafumi (70462843)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
16. ISHII Tateki (60400280)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
17. HONDA Itsuro (00229254)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
18. OHBA Hideki (20040412)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
19. FUJII Yoshiaki (70192309)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
20. MUNEKATA Mizue (30264279)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
21. SHIMADA Hideki (70253490)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
22. TAKAHASHI Hiroshi (90188045)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
23. YONEDA Tetsuro (00002056)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
24. KITAMOTO Yukiyoshi (70416741)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
25. AKIMOTO Masatugu (40105929)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
26. KATAOKA Minami

# of Collaborated Projects: 1 results

# of Collaborated Products: 7 results
27. YAMAUCHI Kiyoshi

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
28. INABA Tsutomu

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
29. NOGUCHI Yoshifumi

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
30. EIKUCHI Yoshiaki

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results

OBARA Yuzo 尾原 祐三

尾原 裕三 オバラ ユウゾウ

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Innovation of fracture toughness test for new horizon of rock fracture mechanicsPrincipal Investigator

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Visualization innovation of structure and phenomena in the geo-materials leaded by non-destructive visualization method, X-ray CT methodPrincipal Investigator

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Development of design method for support system of cavern using cable boltPrincipal Investigator

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ボアホール孔壁変位計測に基づく新しい岩盤応力測定法の開発Principal Investigator

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Fundamental study on strength of rock under high water vapor pressurePrincipal Investigator

OBARA Yuzo 尾原祐三

尾原裕三オバラユウゾウ