International Scientific Journal


Based on the deep in situ mining environments with "three high", a triaxial compression experiment of water-saturated sandstone under the conditions of 150°C, 110 MPa confining stress and 105 MPa pore water stress was carried out. The results show that the creep deformation stage produces a surge in acoustic emission energy when the radial deformation of sandstone changes from expansion to rapid compression, and the sandstone is sheared by a single crack when it is damaged. From deformation monitoring and acoustic emission energy analysis, the thermal-hydraulic-mechanical (THM) coupling environment will cause irreversible changes to the internal stress distribution, pore structure and mineral framework of sandstone. In the THM coupling experiment, the irreversible impact of the rock sample due to the long-term simulation of the "three high" environment and the difference caused by the impact on the final experimental results should be considered.
PAPER REVISED: 2022-11-07
PAPER ACCEPTED: 2022-11-25
CITATION EXPORT: view in browser or download as text file
THERMAL SCIENCE YEAR 2023, VOLUME 27, ISSUE Issue 1, PAGES [553 - 560]
  1. Tsang, C. F., et al., DECOVALEX Project: from 1992 to 2007, Environmental Geology, 57 (2009), 6, pp. 1221-1237
  2. Xie, H. P., et al., Experimental Study on Rock Mechanical Behavior Retaining the In Situ Geological Conditions at Different Depths , International Journal of Rock Mechanics and Mining Sciences, 138 (2021), 2, 104548
  3. Ai, T., et al., Changes in the Structure and Mechanical Properties of a Typical Coal Induced by Water Immersion, International Journal of Rock Mechanics and Mining Sciences, 138 (2021), 2, 104597
  4. Li, T. J., et al., TOUGH-RFPA: Coupled Thermal-Hydraulic-Mechanical Rock Failure Process Analysis with Application to Deep Geothermal Wells, International Journal of Rock Mechanics and Mining Sciences, 142 (2021), 6, 104726
  5. Rutqvist, J., et al., Coupled Thermal-Hydrological-Mechanical Analyses of the Yucca Mountain Drift Scale Test-Comparison of Field Measurements to Predictions of Four Different Numerical Models, International Journal of Rock Mechanics and Mining Sciences, 42 (2005), 5, pp. 680-697
  6. Salimzadeh, S., et al., A Three-Dimensional Coupled Thermo-Hydro-Mechanical Model For Deformable Fractured Geothermal Systems ,Geothermics, 71 (2018), 1, pp. 212-224
  7. Meng, T., et al., Evolution of Permeability and Microscopic Pore Structure of Sandstone and Its Weakening Mechanism Under Coupled Thermo-Hydro-Mechanical Environment Subjected to Real-Time High Temperature, Engineering Geology, 280 (2021), 1, 105955
  8. Yi, W., et al., Thermo-Hydro-Mechanical-Chemical (THMC) Coupling Fracture Criterion of Brittle Rock, Transactions of Nonferrous Metals Society of China, 31 (2021), 9, pp. 2823-2835
  9. Zhang, W., et al., Research of Fracture Initiation and Propagation in HDR Fracturing Under Thermal Stress from Meso-Damage Perspective, Energy, 178 (2019), 7, pp. 508-521
  10. Pandey, S. N., et al., A Coupled Thermo-Hydro-Mechanical Modeling of Fracture Aperture Alteration and Reservoir Deformation During Heat Extraction from a Geothermal Reservoir, Geothermics, 65 (2017), 1, pp. 17-31
  11. Ulusay, R., Hudson, J. A. The Complete ISRM Suggested Methods for Rock Characterization, Testing and Monitoring: 1974-2006, ISRM Turkish National Group, Ankara, 2007
  12. Xie, H. P., et al., Research and Development of Rock Mechanics in Deep Ground Engineering (in Chinese), Chinese Journal of Rock Mechanics and Engineering, 34 (2015), 11, pp. 2161-2178
  13. Yang, F., et al. Calibrations of Thermo-Hydro-Mechanical Coupling Parameters for Heating and Water-Cooling Treated Granite, Renewable Energy, 168 (2021), 5, pp. 544-558
  14. Wang, X. Z., et al., Mechanical Properties and Acoustic Emission Characteristics of Granite Under Thermo-Hydro-Mechanical Coupling, Thermal Science, 25 (2021), 6B, pp. 4585-4596
  15. Zha, E. S., et al., Long-Term Mechanical and Acoustic Emission Characteristics of Creep in Deeply Buried Jinping Marble Considering Excavation Disturbance, International Journal of Rock Mechanics and Mining Sciences, 139 (2021), 2, 104603
  16. Jia, Z. Q., et al., Acoustic Emission Characteristics and Damage Evolution of Coal at Different Depths Under Triaxial Compression, Rock Mechanics and Rock Engineering, 53 (2020), 5, pp. 2063-2076
  17. Martin, C. D., et al., The Progressive Fracture of Lac Du Bonnet Granite, International Journal of Rock Mechanics and Mining Sciences & Geomechanics Abstracts, 31 (1994), 6, pp. 643-659
  18. Lu, H. J., et al., Mechanical Behavior Investigation of Longmaxi Shale Under High Temperature and High Confining Pressure, Thermal Science, 23 (2019), 3A, pp. 1521-1527

© 2024 Society of Thermal Engineers of Serbia. Published by the Vinča Institute of Nuclear Sciences, National Institute of the Republic of Serbia, Belgrade, Serbia. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution-NonCommercial-NoDerivs 4.0 International licence