Azuma Koji

アズマコウジ | Azuma Koji

Affiliation and department：
Job title： Professor

Research field (1)： Building structures and materials

Research keywords (3)： Steel Structure , Welding , Brittle Fracture

Research theme for competitive and other funds (12)：

2022 - 2025 Estimation Method of Accumulated Plastic Deformation Capacity with Charpy Absorbed Energy Considering Effects of Cyclic Loading and Plastic Constraint
2022 - 2025 Optimization of Weld Details to Avoid the Brittle Fractures at the Beam End with Field Welding
2019 - 2022 Brittle Fracture Assessment of Welded Connections Considering Deterioration of Fracture Toughness due to Cyclic Loading
2019 - 2021 脆性破壊の予測手法に基づく梁端溶接部の接合部詳細の最適化-接合部の品質管理基準
2016 - 2018 溶接欠陥に起因する脆性破壊に決定つ?けられる終局耐力の予測-接合部の品質管理基準

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Papers (61)：

Koike, S, Azuma, K, Akahoshi, T, Iwashita, T, Itatani, T. Optimization of Shapes of Weld Access Holes at the End of I-Section Beams Based on the Prediction Approach for Brittle Fracture - Part II. Effect of Propagation Direction of Ductile Cracks. Proceedings of the 33rd International Ocean and Polar Engineering Conference. 2023. 4
Shimizu, M, Akahoshi, T, Azuma, K, Iwashita, T. Effect of Different Modes on Fracture Prediction Using Weibull Stress to Predict Brittle Fracture from Defects at Beam-to-Column Connections. Proceedings of the 33rd International Ocean and Polar Engineering Conference. 2023. 4
Takuya Akahoshi, Koji Azuma, Masaki Shimizu, Tsutomu Iwashita. Brittle fracture prediction method considering mixed modes for column-to-beam connections. Journal of Constructional Steel Research. 2023. 205. 107885-107885
Gotanda, S, Azuma, K, Iwashita, T, Itatani, T. Optimization of shapes of weld access holes at the end of I-section beams based on the prediction approach for brittle fracture. Proceedings of the 32nd International Ocean and Polar Engineering Conference. 2022. 4. 2943-2949
Takuya Akahoshi, Koji Azuma, Tsutomu Iwashita. STUDY ON CORRECTING METHOD FOR PREDICTING BRITTLE FRACTURE OF SURFACE CRACKED PLATES IN MIXED-MODE LOADING. Proceedings of the International Conference on Offshore Mechanics and Arctic Engineering - OMAE. 2022. 3

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MISC (67)：

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Lectures and oral presentations (71)：

71) 繰返し載荷を受ける切欠きを有する鋼試験片の塑性変形能力に関する研究その5 ワイブル応力を用いた変形能力推定方法の検討
(日本建築学会大会学術講演梗概集(東北) 2018)
70) 繰返し載荷を受ける切欠きを有する鋼試験片の塑性変形能力に関する研究その4 ワイブル応力による検討
(日本建築学会大会学術講演梗概集(中国) 2017)
69) 繰返し載荷を受ける切欠きを有する鋼試験片の塑性変形能力に関する研究その 3 損傷度と延性き裂進展の検討
(日本建築学会大会学術講演梗概集(中国) 2017)
68) 修正圧縮場理論による長方形CFT極短柱のせん断耐力についての解析的研究
(日本建築学会九州支部研究報告第56号 ,pp.533-536 2017)
67) 片側袖壁付き RC 柱の構造特性に関する研究
(日本建築学会大会学術講演梗概集(福岡) , pp.13-14 2016)

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Works (4)：

脆性破壊に先行する延性不安定破壊の数値シミュレーション -溶接欠陥の品質管理基準
2005 - 2007
Numerical simulation of unstable ductile fracture preceding brittle fracture
2005 - 2007
溶接止終端の欠陥より成長する脆性破壊の数値シミュレーション
2002 - 2004
Numerical simulation of brittle cracks growing from weld defects at ends of groove welded joints
2002 - 2004

Education (3)：

1996 - 1999 Kumamoto University Graduate School of Science and Technology
1994 - 1996 Kumamoto University
1990 - 1994 Kumamoto University Faculty of Engineering Department of Architecture and Building Engineering

Professional career (2)：

Work history (4)：

2013/04 - 現在 Sojo University Department of Architecture, Faculty of Engineering Professor
2009/04 - 2013/03 Sojo University Department of Architecture, Faculty of Engineering Associate Professor
2001/04 - 2009/03 Sojo University Department of Architecture, Faculty of Engineering Lecturer
1999/04 - 2001/03 Kumamoto Institute of Technology Department of Architecture Research Associate

Committee career (6)：

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Association Membership(s) (2)：

ARCHITECTURAL INSTITUTE OF JAPAN , JAPAN WELDING SOCIETY

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