Research field (2)：
Earth resource engineering, energy science
, Geotechnical engineering
Research keywords (2)：
資源開発
, Resource Development
Research theme for competitive and other funds (11)：
2016 - 2020 Analysis on textural effective factors of fatigue process during the cyclic compression test of crystalline rock
2016 - 2019 Development of hydraulic fracture evaluation by laboratory experiments and AE analysis
2013 - 2017 Small scale in situ experiments to inject supercritical and liquid carbon dioxide into rock mass
2012 - 2015 Fabrication of electro conductive cement and its application to rock fracture
2002 - 2002 生物起源珪藻土からの高純度シリカ精製方法の開発
1998 - 1999 Management of environmental and advanced mining operation in mines adjacent to urban zones.
1997 - 1998 Development of the borehole television system using the fluorescent technique
岩石の破壊に関する研究
岩石の異方性に関する研究
Study on Failure of Rocks
Study on anisotropy of rocks
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Papers (89)：
Keita Yoshioka, Masafumi Katou, Kohei Tamura, Yutaro Arima, Yoshiharu Ito, Youqing Chen, Tsuyoshi Ishida. Interactions of Hydraulic Fractures With Grain Boundary Discontinuities in the Near Wellbore Region. Journal of Geophysical Research: Solid Earth. 2023
Yuki TSUNAZAWA, Yoshihiro KOSAKU, Yoshitaka SAKAIRI, Koji TSUKADA, Tamaki SAITO, Yosuke EBISU, Kohei MITSUHASHI, Youqing CHEN, Chiharu TOKORO. Quantitative Evaluation of the Effect of High-Pressure Grinding Roll on the Promotion of the Mineral Liberation of Copper Ore. Journal of MMIJ. 2022. 138. 6. 95-102
Makoto Naoi, Keiichi Imakita, Youqing Chen, Kazune Yamamoto, Rui Tanaka, Hironori Kawakata, Tsuyoshi Ishida, Eiichi Fukuyama, Yutaro Arima. Source parameter estimation of acoustic emissions induced by hydraulic fracturing in the laboratory. Geophysical Journal International. 2022. 231. 1. 408-425
Kazuhei Aoyagi, Eiichi Ishii, Youqing Chen, Tsuyoshi Ishida. Resin-Injection Testing and Measurement of the Shear Displacement and Aperture of Excavation-Damaged-Zone Fractures: A Case Study of Mudstone at the Horonobe Underground Research Laboratory, Japan. Rock Mechanics and Rock Engineering. 2022. 55. 1855-1869
Ryota Goto, Noriaki Watanabe, Kiyotoshi Sakaguchi, Takahiro Miura, Youqing Chen, Takuya Ishibashi, Eko Pramudyo, Francesco Parisio, Keita Yoshioka, Kengo Nakamura, et al. Creating Cloud-Fracture Network by Flow-induced Microfracturing in Superhot Geothermal Environments. Rock Mechanics and Rock Engineering. 2021. 54. 6. 2959-2974
Yevhen Kovalyshen, Ausama Giwelli, Joel Sarou, Leigh Kiewie, Valeriya Shulakova, Lionel Esteban, Stephen Banks, Yoshitake Kato, Masafumi Katou, Tsutau Takeuchi, et al. Hydraulic fracturing with supercritical CO2 in the laboratory: Ultrasonic monitoring of fracture propagation at in situ stress and temperature. Proceedings of The 57TH US ROCK MECHANICS / GEOMECHANICS SYMPOSIUM. 2023
Ikuo Sakata, Youqing Chen, Shunsuke Takahashi, Keiya Sugiyama, Shimpei Ito, Akira Fujimoto. Characteristics of hydraulic fractures by laboratory experiment in shale. Abstracts of The Japanese Association for Petroleum Technology Technical Meeting 2023. 2023. 145
Visualization of frctures in an excavation damaged zone in the Horonobe Underground Research Laboratory: Part 2 (Joint Research)
2020
骨材資源ハンドブック
骨材資源工学会 2019 ISBN:9784991124112
Visualization of Fractures in an Excavation Damaged Zone in the Horonobe Underground Research Laboratory (Joint Research)
Japan Atomic Energy Agency 2018
