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Details of the Faculty or Staff
Name  
 YU Xin
Title  
   Special-term Associate Professor
Highest Education  
   Ph.D.
Subject Categories  
   Geomechanics and Geoengineering
Phone  
   -
Zip Code  
   100029
Fax  
   -
Email  
   yuxin@mail.iggcas.ac.cn
Office  
   No.19 Beitucheng West Road, Chaoyang District, Beijing, 100029, China

Education and Appointments：

YU Xin
Associate Professor in Geoengineering
Institute of Geology and Geophysics, Chinese Academy of Sciences
State Key Laboratory of Lithospheric and Environmental Coevolution

Research Interests：
  1. Deep geomechanics
  2. Multiphase-fields coupling rock mechanics
  3. Damage response of rock structure
  4. CO2 induced rock response
Public Services：

Honors：
Second prize, Science and Technology Award of Chin Gold Association

Supported Projects：
  1. 2025.1-2027.12, Multiphase-physics Coupling Process and Damage Dynamic Response Mechanism of Tight Sandstone under Supercritical Carbon Dioxide Injection (42402287), Funded by National Natural Science Foundation of China
  2. 2024.9-2026.9, The Nonlinear Fatigue Cumulative Damage Mechanism of Massive Sandstone under CO2 Cyclic Sequestration (2024T170912), Funded by China Postdoctoral Science Foundation
  3. 2023.9-2025.9, Evolution Law of Non-linear Permeability of Supercritical CO2 in Deep Hard Sandstone (2023M733481), Funded by China Postdoctoral Science Foundation
  4. 2022.12-2024.12, Three-Dimensional Digital Fracture Characterization of Rock-Encased Backfill Structures under Fluid-Solid Coupled Cyclic Loading and Unloading, Funded by China Postdoctoral Science Foundation

Publications：
  1. Tan Yuye, Li Yiding, Yu Xin, Deng Yuchao, Song Zepu, Kou Yunpeng. Study of the spatial strength distribution patterns and microstructure characteristics of ultra-fine tailings cemented paste backfill. Scientific Reports, 2025, 15(1)
  2. Yu Xin, Tan Yuye, Song Weidong, Kemeny John, Qi Shengwen, Zheng Bowen, Guo Songfeng. Damage evolution of rock-encased-backfill structure under stepwise cyclic triaxial loading. Journal of Rock Mechanics and Geotechnical Engineering, 2024, 16: 597-615
  3. Yu Xin, Tan Yuye, Qi Shengwen, Song Weidong, Kemeny John, Zheng Bowen, Guo Songfeng. Damage index correlation in massive granite-porous backfills under hydromechanical triaxial cyclic loading using acoustic emissions and x-ray computed tomography. Journal of Materials Research and Technology, 2024, 33: 3659-3671
  4. Hou Yongqiang, Yang Ke*, Yin Shenghua, Yu Xin*, Kou Pengfei, Wang Yanli. Enhancing workability, strength, and microstructure of cemented tailings backfill through mineral admixtures and fibers. Journal of Building Engineering, 2024, 84
  5. Hou Yongqiang, Yang Ke*, Yin Shenghua, Yu Xin*, Wang Leiming, Yang Xiaobing. Enhancing the physical properties of cemented ultrafine tailings backfill (cutb) with fiber and rice husk ash: Performance, mechanisms, and optimization. Journal of Materials Research and Technology, 2024, 29: 4418-4432
  6. Hou Yongqiang, Yin Shenghua*, Wang Leiming, Yang Ke, Yu Xin*, Kou Pengfei, Wang Yanli. Influence of mixing time and coarse aggregate content on the flowability, setting time, and mechanical properties of cemented backfill. Construction and Building Materials, 2024, 449
  7. Hou Yongqiang, Yang Ke*, Zheng Kaidan, Yin Shenghua, Yu Xin*, Chen Xin. Optimizing mechanical performance and flow characteristics of alkaline fly ash/rice husk ash composite backfill: Insights from multi-factor analysis and engineering optimization. Journal of Building Engineering, 2024, 95
  8. Xia Wentao, Yang Ke*, Hou Yongqiang, Yu Xin*, He Xiang, Du Huihui. Experimental study on the early compressive strength, fluidity, and microstructure of multisource coal-based solid waste cemented backfill. Green and Smart Mining Engineering, 2024, 1(4): 405-420
  9. Hou Yongqiang, Kong Peng, Yang Ke, Yin Shenghua, Yu Xin, Wang Yanli, Kou Pengfei. Enhancing performance and structural integrity of cemented paste backfill: Rheological behavior, strength characteristics, and microstructural dynamics. Case Studies in Construction Materials, 2024, 20
  10. Zheng Bowen, Qi Shengwen, Guo Songfeng, Liang Ning, Luo Guangming, Zhang Xiaohui, Lu Wei, Jin Chao, Li Yongchao, Yu Xin, Zhu Zifang, Cong Jianing. Experimental study of direct shear properties of anisotropic reservoir shale. Energies, 2024, 17(8)
  11. Yu Xin, Qi Shengwen, Tan Yuye, Song Weidong, Kemeny John. Enhancing rock mass stability through the efficient utilization of backfill. 2023
  12. Guo Songfeng, Qi Shengwen, Saroglou Charalampos, Yu Xin, Zheng Bowen. The classification methods of anisotropic rock mass and applications. 2023
  13. Zheng Bowen, Qi Shengwen, Lu Wei, Guo Songfeng, Liang Ning, Yu Xin, Wang Zan. Laboratory test study on supercritical carbon dioxide fracturing granite: A quantitative review. Geomechanics and Geophysics for Geo-Energy and Geo-Resources, 2023, 9(1)
  14. Zheng Bowen, Qi Shengwen, Lu Wei, Guo Songfeng, Wang Zan, Yu Xin, Zhang Yan. Experimental research on supercritical carbon dioxide fracturing of sedimentary rock: A critical review. Acta Geologica Sinica - English Edition, 2023, 97(3): 925-945
  15. Yu Xin, Song Weidong, Tan Yuye, Kemeny John, Wang Jie. Energy dissipation and 3d fracturing of backfill-encased-rock under triaxial compression. Construction and Building Materials, 2022, 341
  16. Yu Xin, Song Weidong, Tan Yuye, Kemeny John, Qi Shengwen, Zheng Bowen. Triaxial cyclic loading fracture of rock-encased-backfill structure by xray and acoustic emission. All Days. 2022.10.56952/igs-2022-204
  17. Han Chongchong, Tan Yuye, Chu Lishen, Song Weidong, Yu Xin. Flocculation and settlement characteristics of ultrafine tailings and microscopic characteristics of flocs[J]. Minerals, 2022, 12(2)
  18. Guo Songfeng, Qi Shengwen, Zheng Bowen, Xue Lei, Wang Xueliang, Liang Ning, Zou Yu, Tang Fengjiao, Faisal Waqar Muhammad, Wen Weiluan, Li Yongchao, Yu Xin. The confinement-affected strength variety of anisotropic rock mass. Materials (Basel), 2022, 15(23)
  19. Yu Xin, Kemeny John, Li Jialuo, Song Weidong, Tan Yuye. 3d observations of fracturing in rock-backfill composite specimens under triaxial loading. Rock Mechanics and Rock Engineering, 2021, 54(12): 6009-6022
  20. Yu Xin, Kemeny John, Tan Yuye, Song Weidong, Huang Kun. Mechanical properties and fracturing of rock-backfill composite specimens under triaxial compression. Construction and Building Materials, 2021, 304: 124577
  21. Yu Xin, Kemeny J., Song Wei Dong, Tan Yu Ye. Progressive fracturing of rock/backfill specimens under triaxial compression - experiments and modeling. 55th US Rock Mechanics/Geomechanics Symposium. OnePetro. 2021
  22. Tan Yuye, Zhang Kai, Yu Xin, Song Wei-dong, Wang Jie, Hai Chenglong. The mechanical and microstructural properties of composite structures made of a cement-tailing backfill and rock core. Minerals, 2020, 10(2)
  23. Tan Yuye, Yu Xin, Elmo Davide, Xu Lin-hui, Song Wei-dong. Experimental study on dynamic mechanical property of cemented tailings backfill under shpb impact loading. International Journal of Minerals, Metallurgy, and Materials, 2019, 26(4): 404-416
 
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