Iwai Hiromasa

イワイヒロマサ | Iwai Hiromasa

Affiliation and department：
Job title： Associate Professor

Research field (2)： Disaster prevention engineering , Geotechnical engineering

Research keywords (10)： Civil Engineering , Geotechnical Engineering , Constitutive model , Unsaturated soil , Submarine landslide , Marine geotechnical engineering , Bifurcation theory , Dynamical systems , Gas hydrate-bearing soil , Geology

Research theme for competitive and other funds (10)：

2023 - 2026 力学系理論で紐解くn体問題としての粒状体の流れ~定常状態からの分岐に着目して~
2022 - 2025 High precision modeling for seabed rock mass and its application to clarify the mechanism of decollement formation
2022 - 2025 海底面境界の輸送現象論的視点に基づいた海底地すべり-津波励起現象の解明と規模予測
2019 - 2024 Development and Operation Model of Plant-derived Soil Additives for Road Disaster Reduction on Problematic Soil
2020 - 2022 Mechanism of submarine landslide and slide dynamics focusing on water film formation under impermeable layer

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Papers (29)：

Hiromasa Iwai. Numerical investigation of dynamic behavior of composite foundation composed of soilbags and piles by 3D elastoplastic FEM. Soils and Foundations. 2022. 62. 3. 101158
Hiromasa Iwai, Takaya Kawasaki, Feng Zhang. Constitutive model for gas hydrate-bearing soils considering different types of hydrate morphology and prediction of strength-band. Soils and Foundations. 2022. 62. 1. 101103-101103
Peng Peng, Feng Zhang, Hiromasa Iwai, Ittetsu Ohara, Tomoya Iwata, Keigo Takagi. Tests on mechanical behavior of cement-treated Masado under the influence of acidic environment and temperature. Proceedings of the 13th Asian Regional Conference (ARC13) of International Association for Engineering Geology and the Environment (IAEG). 2021
Hiromasa Iwai. Influence of acidic environment and temperature on mechanical behavior of cement-treated Masado and numerical modeling with a thermoelasto-viscoplastic model. Soils and Foundations. 2021. 61. 6. 1481-1499
Hiromasa Iwai. 海底地すべり運動形態の分岐現象に関する線形安定解析とその解釈. 土木学会論文集C(地圏工学). 2021. 77. 3. 283-295

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MISC (115)：

岩井裕正, 大橋正, 小野日出男, 後藤聡, 楠見晴重, 三島悠一郎, 日野剛徳. 今こそ訪れたい地盤・地質が生んだ名所と名産,第6回平野と盆地の名所と名産. 地盤工学会誌. 2022. 70. 8. 44-58
Introduction for scenic spots and noted products in Japan, the special bounty from active faults. Journal of JGS. 2022. 70. 4. 37-44
泉宏行, 巳上諒太, 岩井裕正, CHO H. Effect of the difference between ceramic disc and micro-porous membrane on the triaxial test of unsaturated Masado. 地盤工学研究発表会発表講演集(Web). 2021. 56th
高木啓伍, PENG P., 岩田朋也, 岩井裕正, CHO H. Experimental study on improved ground by osmotic injection method under different acid/temperature environments. 地盤工学研究発表会発表講演集(Web). 2021. 56th
橋爪悠太朗, 田村仁志, 岩井裕正, 張鋒. Study on parameters related to residual strain for sand reliquefaction. 地盤工学研究発表会発表講演集(Web). 2021. 56th

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Books (1)：

7th Asia-Pacific Conference on Unsaturated Soils (AP-UNSAT2019), Japanese Geotechnical Society Special Publication
The Japanese Geotechnical Society 2019

Lectures and oral presentations (44)：

Pattern classification and creep behavior of submarine landslide motions based on slide kinematics
(3rd International Symposium on Risk Assessment and Sustainable Stability Design of Slopes 2022)
海底地すべり運動の初期加速度と励起される津波振幅との関係
(令和3年度土木学会全国大会第76回年次学術講演会 2021)
Fundamental research on tsunami characteristic generated by submarine landslide
(2021)
海底地すべり運動パターン分類の線形安定解析による考察
(第56回地盤工学研究発表会 2021)
海底地すべり運動の速度時刻歴に着目したパターン分類とその規模に関する模型実験
(第56回地盤工学研究発表会 2021)

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Education (3)：

2012 - 2015 Kyoto University Graduate School, Division of Engineering
2010 - 2012 Kyoto University Graduate School, Division of Engineering
2006 - 2010 Kyoto University Faculty of Engineering School of Global Engineering

Professional career (5)：

学士(工学) (京都大学)
修士(工学) (京都大学)
博士(工学) (京都大学)
Master(Engineering) (Kyoto University)
Doctor(Engineering) (Kyoto University)

Work history (3)：

2022/04 - 現在 Kyoto University Graduate School of Engineering Department of Urban Management Associate Professor
2015/04 - 2022/03 Nagoya Institute of Technology Department of Civil and Environmental Engineering Assistant Professor
2012/04 - 2015/03 Japan Society for the Promotion of Science Research Fellowships for Young Scientists (DC1)

Committee career (16)：

2020/06/01 - 現在公益社団法人地盤工学会地盤工学会誌編集委員会
2020/06 - 現在公益社団法人土木学会土木学会論文集C分冊編集委員
2018 - 現在公益社団法人日本材料学会東海支部常議員
2017/04/14 - 現在公益社団法人地盤工学会地盤工学会中部支部地盤工学に関するセミナー部会
2017/04/14 - 現在公益社団法人地盤工学会地盤工学会中部支部中部地盤工学シンポジウム部会

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Awards (12)：

2021/08/20 - 公益社団法人地盤工学会第56回地盤工学研究発表会優秀論文発表者賞海底地すべり運動パターン分類の線形安定解析による考察
2020/10 - 公益社団法人地盤工学会中部支部第32回中部地盤工学シンポジウム優秀講演者賞
2020/03/13 - 公益社団法人地盤工学会令和元年度地盤工学会賞研究奨励賞 Rate effect on the stress-strain relations of synthetic carbon dioxide hydrate-bearing sand and its dissociation test by thermal stimulation
2016/08 - 公益社団法人地盤工学会中部支部第28回中部地盤工学シンポジウム優秀講演者賞
2015/10/09 - 公益社団法人地盤工学会第50回地盤工学研究発表会優秀論文発表者賞

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Association Membership(s) (4)：

公益社団法人日本地すべり学会 , The Society of Materials Science, Japan , 公益社団法人地盤工学会 , 公益社団法人土木学会

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