Research field (2)：
Civil engineering (materials, implementation, construction management)
, Geotechnical engineering
Research keywords (5)：
Expansive soil
, Clayey soil
, Numerical simulation
, Element test
, Constitutive model
Research theme for competitive and other funds (9)：
2023 - 2026 オゾンによる地盤の酸化促進実験と反応予測マルチフィジックス解析
2022 - 2025 乾湿に伴うコンクリート中の低結晶性水和物の結晶構造の変化の解明
2022 - 2025 Elucidation fo the mechanism of progressive deformation of tunnel and cut slope in swelling ground due to the wetting-drying cycle and the quality change of ground water
2020 - 2023 Measurement of shear properties of granular media under extremely low confining stress states aiming at drastic innovation of modelling of liquefaction characteristics of sands
2019 - 2023 Simulation of the life of embankments from the construction process through the long-term in-service period to deformation and failure
2018 - 2020 The construction of mechanical theory of expansive soils based on the chemical surface phenomena of mineral crystals - Reconsideration of problem soils in geotechnical engineering -
2017 - 2019 結晶表面の力学・化学相互作用に基づく膨潤性粘土の構成モデルの開発
2011 - 2013 含水履歴を考慮した自然斜面および土構造物の地震時挙動予測と安定性評価
2008 - 2011 特に異方性・構造を考慮した飽和土・不飽和土の構成モデルの開発とその応用
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Papers (72)：
Rawiwan Sukhumkitcharoen, Junichi Koseki, Hiroyuki Kyokawa, Masahide Otsubo. Liquefaction behaviour of aluminium and plastic rod assemblies using bi-axial apparatus with application of image analysis. E3S Web of Conferences. 2024. 544. 10002-10002
Hailong Wang, Yuka Yamamoto, Hiroyuki Kyokawa, Daichi Ito, Hideo Komine. Water and soil particle movement in unsaturated bentonite with constrained and free swelling boundaries. Soils and Foundations. 2023. 63. 4. 101350-101350
Misa Hiraga, Hiroyuki Kyokawa, Junichi Koseki. Experimental investigation of local chemo-mechanical behaviour and temporal development of osmotic consolidation in expansive clay. Canadian Geotechnical Journal. 2023
Masahide Otsubo, Sanjei Chitravel, Reiko Kuwano, Hiroyuki Kyokawa, Junichi Koseki. Liquefaction characteristics in triaxial tests under various gravity environments - DEM analyses. Computers and Geotechnics. 2023. 156. 105245-105245
Tuan A. Pham, Hiroyuki Kyokawa, Junichi Koseki, Daniel Dias. A new index for the strength analysis and prediction of cement-mixed soils. EUROPEAN JOURNAL OF ENVIRONMENTAL AND CIVIL ENGINEERING. 2023. 27. 4. 1512-1534
Experimental study on the slaking phenomena and deformation behavior. 2014. 59. 607-614
Constitutive modeling of slaking phenomena and deformation behavior. 2014. 59. 599-606
京川 裕之, 菊本 統, 中井 照夫. 地盤工学会論文賞(和文部門)を受賞して. 地盤工学会誌 = / the Japanese Geotechnical Society. 2012. 60. 8. 36-36
An elasto-plastic constitutive model for unsaturated soil unified considering the relation between suction, degree of saturation and density. 2009. 12. 331-342
Comprehensive modeling of the water retention curve considering the influences of suction histories, void ratio and temperature. 2009. 12. 343-352
Education (3)：
2008 - 2011 Nagoya Institute of Technology Graduate School Architecture & Civil Engineering
2006 - 2008 Nagoya Institute of Technology Graduate School Architecture & Civil Engineering
2002 - 2006 Nagoya Institute of Technology Department of Civil Engineering
Professional career (1)：
博士(工学) (名古屋工業大学)
Work history (7)：
2022/09 - 現在 Nagoya Institute of Technology Graduate School of Engineering Nagare College Associate Professor
2022/01 - 2022/08 The University of Tokyo The Graduate School of Engineering Department of Civil Engineering Assistant Professor (Lecturer)
2017/02 - 2021/12 The University of Tokyo Department of Civil Engineering, Faculty of Engineering Assistant Professor
2020 - Japan Society of Dam Engineers Prize for technological development
2018 - Japanese Geotechnical Society Prize for excellent presentation in 53rd conference of Japanese Geotechnical Society
2015 - Japanese Society of Civil Engineering Prize for excellent presentation in 70th conference of Japanese Society of Civil Engineering
2014 - Japanese Geotechnical Society Prize for excellent presentation in 49th conference of Japanese Geotechnical Society
2012 - Japanese Geotechnical Society Best Research Paper Award Description of stress-induced anisotropy of soils by modified stress within an Isotropic hardening elastoplastic model
2011 - Japanese Geotechnical Society Prize for excellent presentation in 46th conference of Japanese Geotechnical Society
2007 - Japanese Geotechnical Society Prize for excellent presentation in 42nd conference of Japanese Geotechnical Society
