Obara Taku 小原拓

Researcher Number	50845451
Other IDs
Affiliation (Current)	2025: 国土技術政策総合研究所, 建築研究部, 主任研究官
Affiliation (based on the past Project Information) *help	2024: 国土技術政策総合研究所, 建築研究部, 主任研究官 2022 – 2023: 国土技術政策総合研究所, 建築研究部, 研究官 2019 – 2021: 東京工業大学, 科学技術創成研究院, 助教
Review Section/Research Field	Principal Investigator Basic Section 23010:Building structures and materials-related Except Principal Investigator Basic Section 23010:Building structures and materials-related / Medium-sized Section 23:Architecture, building engineering, and related fields
Keywords	Principal Investigator 変形性能 / 構造実験 / 構造設計 / 杭頭接合部 / 杭基礎 / 早期復旧 / セルフセンタリング / 高性能鉄筋コンクリート造壁 / Fiberモデル / 損傷制御 … More / ロッキング特性 / 圧縮損傷 / 継続使用性 / アンボンドPCaPC / ロッキング性状 / 損傷評価 / 継続使用 / 鉄筋コンクリート造壁 / アンボンドPCaPC造 / 損傷予測数値解析モデル / 損傷低減 / 機能維持 / RC造壁 … More Except Principal Investigator 開口補強筋 / 光ファイバ / 鉄筋のカットオフ / 開孔補強筋 / 鉄筋コンクリート / 有孔梁 / カットオフ筋 / 設計クライテリア / 継手 / 継続使用 / MEMSセンサ / 塑性ヒンジ / 重ね継手 / 鉄筋コンクリート有孔梁 / せん断耐力 / 貫通孔 / 鉄筋コンクリート梁 / 性能評価 / 一体解析 / 座屈 / 拘束効果 / 応力-ひずみ関係 / 終局耐力 / 変形性能 / 終局時変形性能 / コンクリート杭 / 曲げ性状 / 軸力 / 曲げ靭性能 / 終局時挙動 / 継続使用性 / 耐震安全性 / 2次設計 / 杭頭接合部 / 杭 Less

Development and implementation of new structure system of the pile foundation under the large earthquakePrincipal Investigator
- Principal Investigator
  
  小原拓
- Project Period (FY)
  2023 – 2025
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Review Section
  
  Basic Section 23010:Building structures and materials-related
- Research Institution
  National Institute for Land and Infrastructure Management
Damage Evaluation and Limit States of Rocking Concrete WallsPrincipal Investigator
- Principal Investigator
  
  Obara Taku
- Project Period (FY)
  2020 – 2022
- Research Category
  
  Grant-in-Aid for Early-Career Scientists
- Review Section
  
  Basic Section 23010:Building structures and materials-related
- Research Institution
  National Institute for Land and Infrastructure Management
  Tokyo Institute of Technology
Seismic performance of concrete piles and pile caps under large earthquakes
- Principal Investigator
  
  Kono Susumu
- Project Period (FY)
  2019 – 2021
- Research Category
  
  Grant-in-Aid for Scientific Research (A)
- Review Section
  
  Medium-sized Section 23:Architecture, building engineering, and related fields
- Research Institution
  Tokyo Institute of Technology
Design Method of RC Beam with Openings, Cut-off Longitudinal Bars, and Lap Splice by Considering Combined Failure Mode
- Principal Investigator
  
  Nishimura Koshiro
- Project Period (FY)
  2019 – 2021
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Review Section
  
  Basic Section 23010:Building structures and materials-related
- Research Institution
  Tokyo Institute of Technology

All 2023 2022 2021 2020 2019

All Journal Article Presentation

[Journal Article] 袖壁を用いた実大五層鉄筋コンクたコンクリートの曲げ損傷量評価2023
- Author(s)
  小原拓, 河野進, 向井智久
- Journal Title
  
  日本建築学会構造系論文集
  
  Volume: 88 Pages: 113-122
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20K14870
[Journal Article] Numerical analysis on flexural behavior of unbonded post-tensioned reinforced concrete beams considering the buckling and rupture of longitudinal reinforcement2022
- Author(s)
  O.Inui, T.Obara, S.Kono and D.Mukai
- Journal Title
  
  12NCEE
  
  Volume: -
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20K14870
[Journal Article] EXPERIMENTAL FRAGILITY ANALYSIS OF NON-STRUCTURAL RC WALLS2022
- Author(s)
  Priyana RAJBHANDARI, Taku OBARA, Susumu KONO
- Journal Title
  
  コンクリート工学年次論文報告集
  
  Volume: -
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-20K14870
[Journal Article] Damage Prediction Tool for Rocking Concrete Walls2022
- Author(s)
  T. Obara, S. Kono and D. Mukai
- Journal Title
  
  12NCEE
  
  Volume: -
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20K14870
[Journal Article] Flexural response simulation of cast-in-place concrete-filled steel tube (CFST) piles2021
- Author(s)
  Carrillo S.O., Subedi N., Obara T., Kono S., Hayakawa T., Kaneko O., Mukai D., Mukai T.
- Journal Title
  
  Summaries of technical papers of annual meeting of AIJ
  
  Volume: 4 Pages: 579-582
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-19H00789
[Journal Article] 高軸力下における SC 杭のせん断終局耐力に関する実験的研究2021
- Author(s)
  小原拓, 安藤諒, Thusoo S., 河野進, 渡辺臣, 谷昌典
- Journal Title
  
  日本建築学会大会学術講演梗概集構造系
  
  Volume: 4 Pages: 597-600
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-19H00789
[Journal Article] 支圧効果を考慮した杭頭接合部の曲げ挙動に関する検討2021
- Author(s)
  郡司康浩, 新井寿昭, 土佐内優介, 河野進, 小林勝已, 福田健, 小原拓
- Journal Title
  
  日本建築学会大会学術講演梗概集構造系
  
  Volume: 4 Pages: 573-574
- Data Source
  KAKENHI-PROJECT-19H00789
[Journal Article] Shear performance evaluation of PHC piles under different levels of axial load ratio2021
- Author(s)
  B-2.Yopi Prabowo Oktiovan, Taiga Otaki, Taku Obara, Susumu Kono, Yoichi Asai, Katsumi Kobayashi, Hidekazu Watanabe, David Mukai
- Journal Title
  
  Earthquake Engineering and Structural Dynamics
  
  Volume: -
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-20K14870
[Journal Article] Numerical study on flexural behavior of pile-pile cap interface with no pile embedment2021
- Author(s)
  Hachhethu S., Kono S., Obara T., Mukai D., Tosauchi Y., Kobayashi K., Gunji Y., Arai T., Fukuda T.
- Journal Title
  
  Summaries of technical papers of annual meeting of AIJ
  
  Volume: 4 Pages: 577-578
- Data Source
  KAKENHI-PROJECT-19H00789
[Journal Article] パイルキャップの支圧に関する要素試験(解析と試験結果の比較)2021
- Author(s)
  福田健, 河野進, 小原拓, 小林勝已, 土佐内優介, 新井寿昭, 郡司康浩
- Journal Title
  
  日本建築学会大会学術講演梗概集構造系
  
  Volume: 4 Pages: 575-576
- Data Source
  KAKENHI-PROJECT-19H00789
[Journal Article] 終局時におけるSC杭の変形性能に着目した解析的研究2021
- Author(s)
  小原拓, 河野進, 浅井陽一, 木谷好伸, 後庵満丸
- Journal Title
  
  日本建築学会構造系論文集
  
  Volume: 86 Pages: 117-126
- NAID
  130007977586
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19H00789
[Journal Article] PRC 杭の復元力特性評価に関する解析的研究2021
- Author(s)
  成瀬俊祐, 小原拓, 河野進, Mukai D.
- Journal Title
  
  日本建築学会大会学術講演梗概集構造系
  
  Volume: 4 Pages: 571-572
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-19H00789
[Journal Article] SC杭および耐震杭の軸圧縮性状に関する実験的研究2021
- Author(s)
  古川佳純, Jasinda C., 安藤諒, 小原拓, 河野進, Mukai D., 渡辺臣
- Journal Title
  
  日本建築学会大会学術講演梗概集構造系
  
  Volume: 4 Pages: 603-606
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-19H00789
[Journal Article] Design models for steel encased high-strength precast concrete piles under axial-flexural loads2021
- Author(s)
  Thusoo S., Obara T., Kono S., Miyahara K.
- Journal Title
  
  Engineering Structures
  
  Volume: 228 Pages: 1-2
- DOI
  10.1016/j.engstruct.2020.111465
- Peer Reviewed / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-19H00789
[Journal Article] Flexural response simulation of cast-in-place concrete-filled steel tube piles2021
- Author(s)
  Subedi N., Obara T., Kono S., Kaneko O., Hayakawa T., Watanabe H., Mukai T.
- Journal Title
  
  21th Taiwan-Korea-Japan Joint Seminar on Earthquake Engineering on Building Structures
  
  Volume: 1 Pages: 120-125
- Data Source
  KAKENHI-PROJECT-19H00789
[Journal Article] Verification of strength of steel-encased high-strength concrete piles under combined axial and flexure forces using different design codes2020
- Author(s)
  Thusoo, S. Kono, S. Obara, T. Mukai, D.
- Journal Title
  
  Summaries of technical papers of annual meeting, AIJ
  
  Volume: IV Pages: 487-488
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-19H00789
[Journal Article] 実大五層鉄筋コンクリート造建物の構造性能評価に着目した解析的研究2020
- Author(s)
  木戸裕貴, 小原拓, 河野進, 向井智久
- Journal Title
  
  コンクリート工学年次論文報告集
  
  Volume: 42 Pages: 79-84
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20K14870
[Journal Article] Evaluation of load deformation behavior of unbonded post-tensioned precast walls2020
- Author(s)
  Hachhethu, S. Obara, T. Kono, S. Mukai, D.
- Journal Title
  
  Summaries of technical papers of annual meeting, AIJ
  
  Volume: IV Pages: 727-728
- Data Source
  KAKENHI-PROJECT-19H00789
[Journal Article] Japanese recent experimental studies on ultimate behavior of concrete piles and pile caps2020
- Author(s)
  Kono, S. Mukai, T.Kobayashi, K. Kaneko, O. Kishida, S.Komuro, T. Obara, T. Mukai, D.
- Journal Title
  
  The 17th World Conference on Earthquake Engineering
  
  Volume: 1
- Data Source
  KAKENHI-PROJECT-19H00789
[Journal Article] Experimental study on moment resisting mechanism at pile-pile cap interface, #1 Experimental investigation2020
- Author(s)
  Naruse, S.Nakano, R. Tosauchi, Y. Obara, T. Kono, S. Kobayashi, K.Fukuda, T. Gunji, Y. Arai, T.
- Journal Title
  
  The 17th World Conference on Earthquake Engineering
  
  Volume: 1
- Data Source
  KAKENHI-PROJECT-19H00789
[Journal Article] Analysis on shear failure of PHC piles under different levels of axial load ratios2020
- Author(s)
  Oktiovan, Y P. Otaki, T. Obara, T. Kono, S. Asai, Y. Kobayashi, K. Watanabe, H. Mukai, T. Mukai, D.
- Journal Title
  
  The 17th World Conference on Earthquake Engineering
  
  Volume: 1
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-19H00789
[Journal Article] Damage Evaluation and Limit States of Rocking Concrete Walls with Energy Dissipaters2020
- Author(s)
  Obara Taku、Kono Susumu、Mukai David
- Journal Title
  
  Journal of Earthquake Engineering
  
  Volume: 26 Issue: 9 Pages: 1-27
- DOI
  10.1080/13632469.2020.1835748
- Peer Reviewed / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-20K14870, KAKENHI-PROJECT-19H00789
[Journal Article] Modelling flexural behavior of precast reinforced concrete piles2020
- Author(s)
  Drouin, T. Kono, S. Obara, T. Asai, Y. Goan, M. Mukai, D.
- Journal Title
  
  Summaries of technical papers of annual meeting, AIJ
  
  Volume: IV Pages: 573-574
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-19H00789
[Journal Article] パイルキャップの支圧に関する要素試験2020
- Author(s)
  福田健. 河野進. 小原拓. 小林勝已. 土佐内優介. 新井寿昭. 郡司康浩.
- Journal Title
  
  日本建築学会大会学術講演梗概集構造系
  
  Volume: IV Pages: 569-570
- Data Source
  KAKENHI-PROJECT-19H00789
[Journal Article] SC杭の軸圧縮性状に関する実験的研究2020
- Author(s)
  古川佳純. 小原拓. 河野進. 宮原清. Thusoo, S. Mukai, D.
- Journal Title
  
  日本建築学会大会学術講演梗概集構造系
  
  Volume: IV Pages: 575-576
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-19H00789
[Journal Article] 支圧効果を考慮した杭頭接合部の曲げ挙動に関する検討 (その1～3）2020
- Author(s)
  土佐内優介. 中野凌. 成瀬俊佑. 河野進. 小原拓. 小林勝已. 郡司康浩. 新井寿昭. 福田健.
- Journal Title
  
  日本建築学会大会学術講演梗概集構造系
  
  Volume: IV Pages: 549-554
- Data Source
  KAKENHI-PROJECT-19H00789
[Journal Article] 軸力を受ける鋼管コンクリート杭のせん断終局耐力に関する実験的研究(その1～3)2020
- Author(s)
  小原拓. Subedi, N. 阿部紗也加. Thusoo, S. 河野進. 平尾一樹. 今井康幸. Mukai, D.
- Journal Title
  
  日本建築学会大会学術講演梗概集構造系
  
  Volume: IV Pages: 577-582
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-19H00789
[Journal Article] マルチスプリングモデルを用いたPRC杭の曲げ解析2020
- Author(s)
  成瀬俊佑. 小原拓. 河野進. 宮原清.
- Journal Title
  
  コンクリート工学年次論文報告集
  
  Volume: 41(2) Pages: 439-444
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19H00789
[Journal Article] マルチスプリングモデルを用いたアンボンドプレストレスト鉄筋コンクリート造梁の解析的研究2020
- Author(s)
  伊縫旺真, 小原拓, 河野進
- Journal Title
  
  コンクリート工学年次論文報告集
  
  Volume: 42 Pages: 439-444
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20K14870
[Journal Article] Experimental study on moment resisting mechanism at pile and pile cap interface, #2 Moment capacity formulation based on failure mechanism2020
- Author(s)
  Tosauchi, Y. Nakano, R. Naruse, S. Kono, S. Obara, T. Kobayashi, K. Fukuda, T. Gunji, Y. Arai, T.
- Journal Title
  
  The 17th World Conference on Earthquake Engineering
  
  Volume: 1
- Data Source
  KAKENHI-PROJECT-19H00789
[Journal Article] Experimental study on shear behavior of hollow precast steel-encased high-strength spun concrete piles2020
- Author(s)
  Obara, T. Egawa, M. Thusoo, S. Kono, S.Miyahara, K. Mukai, D.
- Journal Title
  
  The 17th World Conference on Earthquake Engineering
  
  Volume: 1
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-19H00789
[Journal Article] Performance Evaluation of Earthquake-Resistant Steel-Encased Concrete Piles Based on Prestressed Concrete Member Design Criteria2019
- Author(s)
  Thusoo S., Kono S., Obara T., Asai Y., Hamada J., Kobayashi K.
- Journal Title
  
  Summaries of technical papers of annual meeting
  
  Volume: IV Pages: 213-214
- Data Source
  KAKENHI-PROJECT-19H00789
[Journal Article] 杭頭根入れ長さが短い杭を有するパイルキャップのへりあき破壊耐力に関する実験的研究 (その1～3）2019
- Author(s)
  土佐内優介, 中野凌, 成瀬俊佑, 河野進, 小林勝已, 福田健, 郡司康浩, 新井寿昭, 小原拓
- Journal Title
  
  日本建築学会大会学術講演梗概集構造系
  
  Volume: IV Pages: 179-184
- Data Source
  KAKENHI-PROJECT-19H00789
[Journal Article] Shear Damage Evaluation of Prestressed High Strength Concrete Pile Using Finite Element Program2019
- Author(s)
  Oktiovan Y., Otaki T., Obara T., Kono S., Asai Y., Kobayashi K., Watanabe H., Mukai T., Mukai D.
- Journal Title
  
  The 6th Joint Workshop on Building / Civil Engineering between Tongji & Tokyo Tech
  
  Volume: 1 Pages: 41-48
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-19H00789
[Journal Article] 軸力を受けるSC杭のせん断耐力に関する実験的研究　その12019
- Author(s)
  江川弥玖, Thusoo S., 小原拓, 河野進, 平尾一樹, 小林勝已, Mukai D.
- Journal Title
  
  日本建築学会大会学術講演梗概集構造系
  
  Volume: IV Pages: 227-228
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-19H00789
[Presentation] アンボンドPCaPC 造壁の構造性能に関する実験的研究(その1～4)2022
- Author(s)
  小原拓, 秋田悠揮, 藤岡知也, 張明嘉, 河野進, 谷昌典, 大村哲矢
- Organizer
  日本建築学会大会学術講演梗概集構造系
- Data Source
  KAKENHI-PROJECT-20K14870
[Presentation] アンボンドPCaPC造壁の構造性能評価その2：損傷状態とひび割れに関して2021
- Author(s)
  張明嘉，植村一貴，小原拓，Rajbhandari P., 河野進，David M.，谷昌典
- Organizer
  日本建築学会大会学術講演梗概集構造系
- Data Source
  KAKENHI-PROJECT-20K14870
[Presentation] 主筋の破断を考慮したアンボンドプレストレスト鉄筋コンクリート造梁の曲げ性能に関する解析的研究2021
- Author(s)
  伊縫旺真，小原拓，河野進，David M.
- Organizer
  日本建築学会大会学術講演梗概集構造系
- Data Source
  KAKENHI-PROJECT-20K14870
[Presentation] Bond behavior of RC beams with high strength shear reinforcement (Part 1-3)2021
- Author(s)
  Benyyoucef A., Thusoo S., Obara T., Kono S., Murata Y., Iihoshi F.,Akimoto K., Kawano H., Sakakibara H., Mukai D.
- Organizer
  日本建築学会大会学術講演梗概集（東海）
- Data Source
  KAKENHI-PROJECT-19H02282
[Presentation] Evaluation of Structural Performance of Unbonded Post-tensioned Precast Concrete Walls2021
- Author(s)
  Cho M., Uemura K., Rajbhandari P., Obara, T., Kono, S. and David, M. and Tani M.
- Organizer
  The Japan-Korea-Taiwan Joint Seminar on Earthquake Engineering for Building Structures
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-20K14870
[Presentation] Evaluation of Flexural Crack Width in Slender Rectangular RC Walls, Summaries of technical papers of annual meeting2021
- Author(s)
  Netrattana C., Obara T., Kono S. and David M.
- Organizer
  日本建築学会大会学術講演梗概集構造系
- Data Source
  KAKENHI-PROJECT-20K14870
[Presentation] Evaluation of Structural Performance of Unbonded Post tensioned Precast Concrete Walls Part 1: Experimental Program and Results2021
- Author(s)
  Rajbhandari P., 張明嘉，植村一貴，小原拓，河野進，David M.，谷昌典
- Organizer
  日本建築学会大会学術講演梗概集構造系
- Data Source
  KAKENHI-PROJECT-20K14870
[Presentation] Experimental stduy on slender rectangular rc walls (PART 1)2020
- Author(s)
  Netrattana C., Takahashi T., Obara T., Kono S., Mukai D.
- Organizer
  日本建築学会大会学術講演梗概集構造系
- Data Source
  KAKENHI-PROJECT-20K14870
[Presentation] PC鋼材の緊張力に着目したアンボンドPCaPC造壁の曲げ耐力に関する実験的研究2020
- Author(s)
  植村一貴，小原拓，河野進，柴山淳
- Organizer
  日本建築学会大会（関東）学術講演会
- Data Source
  KAKENHI-PROJECT-19H02282
[Presentation] アンボンドプレストレストコンクリート梁の耐震性能に関する解析的研究2020
- Author(s)
  伊縫旺真．小原拓, 河野進, Mukai D.
- Organizer
  日本建築学会大会学術講演梗概集構造系
- Data Source
  KAKENHI-PROJECT-20K14870
[Presentation] Experimental stduy on slender rectangular rc walls (PART 2)2020
- Author(s)
  Takahashi T., Netrattana C., Obara T., Kono S., Mukai D.
- Organizer
  日本建築学会大会学術講演梗概集構造系
- Data Source
  KAKENHI-PROJECT-20K14870
[Presentation] PC鋼材の緊張力に着目したアンボンドPCaPC造壁の曲げ耐力に関する実験的研究2020
- Author(s)
  植村一貴, 小原拓, 河野進, 柴山淳
- Organizer
  日本建築学会大会学術講演梗概集構造系
- Data Source
  KAKENHI-PROJECT-20K14870
[Presentation] Numerical analysis of unbonded post-tensioned reinforced concrete beams for resiliency evaluation2020
- Author(s)
  Inui O., Obara T., Kono S., Mukai D.
- Organizer
  The 17th World Conference on Earthquake Engineering
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-20K14870

1. 岸田慎司 (10322348)

# of Collaborated Projects: 3 results

# of Collaborated Products: 1 results
2. Kono Susumu (30283493)

# of Collaborated Projects: 2 results

# of Collaborated Products: 29 results
3. Nishimura Koshiro (00343161)

# of Collaborated Projects: 2 results

# of Collaborated Products: 0 results
4. Wijeyewick remaA (10323776)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
5. 渡邊秀和 (20620636)

# of Collaborated Projects: 1 results

# of Collaborated Products: 3 results
6. 田村修次 (40313837)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
7. 谷昌典 (50533973)

# of Collaborated Projects: 1 results

# of Collaborated Products: 2 results
8. 金子治 (80824135)

# of Collaborated Projects: 1 results

# of Collaborated Products: 3 results
9. 向井智久 (30318208)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results

Obara Taku 小原 拓

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Development and implementation of new structure system of the pile foundation under the large earthquakePrincipal Investigator

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Damage Evaluation and Limit States of Rocking Concrete WallsPrincipal Investigator

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Seismic performance of concrete piles and pile caps under large earthquakes

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Design Method of RC Beam with Openings, Cut-off Longitudinal Bars, and Lap Splice by Considering Combined Failure Mode

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[Journal Article] 袖壁を用いた実大五層鉄筋コンクたコンクリートの曲げ損傷量評価2023

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[Journal Article] Numerical analysis on flexural behavior of unbonded post-tensioned reinforced concrete beams considering the buckling and rupture of longitudinal reinforcement2022

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[Journal Article] EXPERIMENTAL FRAGILITY ANALYSIS OF NON-STRUCTURAL RC WALLS2022

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[Journal Article] Damage Prediction Tool for Rocking Concrete Walls2022

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[Journal Article] Flexural response simulation of cast-in-place concrete-filled steel tube (CFST) piles2021

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[Journal Article] 高軸力下における SC 杭のせん断終局耐力に関する実験的研究2021

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[Journal Article] 支圧効果を考慮した杭頭接合部の曲げ挙動に関する検討2021

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[Journal Article] Shear performance evaluation of PHC piles under different levels of axial load ratio2021

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[Journal Article] Numerical study on flexural behavior of pile-pile cap interface with no pile embedment2021

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[Journal Article] パイルキャップの支圧に関する要素試験(解析と試験結果の比較)2021

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[Journal Article] 終局時におけるSC杭の変形性能に着目した解析的研究2021

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NAID

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[Journal Article] PRC 杭の復元力特性評価に関する解析的研究2021

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[Journal Article] SC杭および耐震杭の軸圧縮性状に関する実験的研究2021

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Obara Taku 小原拓