Advani, S. H., Lin, Y. T., & Zane Shuck, L. (1977). Thermal and structural response evaluation for underground coal gasification. SPE Journal, 17(6), 413-422.
Akbarzadeh, H., & Chalaturnyk, R. J. (2011). Coupled Fluid-Thermal-Mechanical Analyses of a Deep Underground Coal Gasification Cavity. Journal of Architecture and Civil Engineering, 01(01), 01-14, ISSN(Online): 2321-8193, www.questjournals.org
Couch, G. R. (2009). Underground Coal Gasification. IEA Clean Coal Centre. ISBN 978-92-9029-471-9, http://www.coalonline.info/DocId=7790
Fang, Z., & Harrison, J. P. (2002). Application of a local degradation model to the analysis of brittle fracture of laboratory scale rock specimense under triaxial conditions. Int. J. of Rock mechanics and Mining Sciences, 39(4), 459-476, https://doi.org/10.1016/S1365-1609(02)00036-9
James, R. (2009). Powder River Basin Underground Coal Gasification. National Energy Technology Laboratory.
Jowkar, A., Sereshki, F., & Najafi, M. (2018). A new model for evaluation of cavity shape and volume during Underground Coal Gasification process. Energy, 148, 756-765, https://doi.org/10.1016/j.energy.2018.01.188
Li, L., Yan, S., Liu, Q., & Yu, L. (2018). Micro- and macroscopic study of crack propagation in coal: theoretical and experimental results and engineering practice. Journal of Geophysics and Engineering, 15(4), 1706-1718, https://doi.org/10.1088/1742-2140/aabb34
Li, X. C., Wang, C., Zhao, C. H., & Yang, H. (2012). The propagation speed of the cracks in coal body containing gas. Safety Sci. 50(4), 914–917, https://doi.org/10.1016/j.ssci.2011.08.004
Najafi, M., Jalali, S. E., & Khalokakaie, R. (2014). Thermal–mechanical–numerical analysis of stress distribution in the vicinity of underground coal gasification (UCG) panels. International Journal of Coal Geology, Volumes 134–135, Pages 1-16.
Otto, C., & Kempka, T. (2015). Thermo-Mechanical Simulations of Rock Behavior in Underground Coal Gasification Show Negligible Impact of Temperature-Dependent Parameters on Permeability Changes. GFZ German Research Centre for Geosciences, 8(6), 5800-5827, doi:10.3390/en8065800
Shahbazi, M., Najafi, M., & Fatehi Marji, M. (2018). On the mitigating environmental aspects of a vertical well in underground coal gasification method. Mitig Adapt Strateg Glob Change, 24, pages373–398, https://doi.org/10.1007/s11027-018-9816-x
Su, F., Itakura, K., Deguchi, G., & Ohga, K. (2016). Monitoring of coal fracturing in underground coal gasification by acoustic emission techniques. Applied Energy, 189, Pages 142-156, http://dx.doi.org/10.1016/j.apenergy.2016.11.082
Tan, Q., Luo, X., & Li, S. (2008). Numerical modeling of thermal stress in a layered rock mass. 42nd US Rock Mechanics Symposium and 2nd U.S.-Canada Rock Mechanics Symposium, Paper Number: ARMA-08-285, San Francisco, CA, USA.
Tang, C. A., Tham, L. G., Lee, P. K. K., Tsui, Y. & Liu, H. (2000). Numrical studies of the influence of microstructure on rock failure in uniaxial compression - part II: constraint, slenderness and size effect. Int, J. of Rock Mechanics and Mining Science, 37(4), 571-583. doi:10.1016/S1365-1609(99)00122-7
Vorobiev, O. Y., Morris, J. P., Antoun, T. H., & Friedmann, S. J. (2008). Geomechanical simulations related to UCG activities. International Pittsburgh Coal Conference, Pittsburgh, PA, USA.
Wang, C., Zhang, C., Li, T., & Zheng, C. (2019). Numerical investigation of the mechanical properties of coal masses with T-junctions cleat networks under uniaxial compression. International Journal of Coal Geology, 202, 128-146, https://doi.org/10.1016/j.coal.2018.12.005
Wu, P. F., Liang, W. G., Li, Z. G., Cao, M. T., & Yang, J. F. (2016). Investigations on mechanical properties and crack propagation characteristics of coal and sandy mudstone using three experimental methods. Rock Mech. Rock Eng, 50, 215–223.
Xie, Y., Cao, P., Liu, J., & Dong, L. (2016). Influence of crack surface friction on crack initiation and propagation: A numerical investigation based on extended finite element method, Computers and Geotechnics, 74, 1–14, http://dx.doi.org/10.1016/j.compgeo.2015.12.013
Yao, Q. L., Chen, T., Ju, M. H., Liang, S., Liu, Y. P., & Li, X. H. (2016). Effects of water intrusion on mechanical properties of and crack propagation in coal. Rock Mech. Rock Eng. 49(12), 4699–4709, doi: 10.1007/s00603-016-1079-9.
Yin, G. Z., Gao, D. F., & Pi, W. L. (2003). CT real-time analysis of damage evolution of coal under uniaxial compression, Journal of Chongqing University, 26, 96–100.
Zhang, X-P., & Wong, L. N. Y. (2012). Cracking Processes in Rock-Like Material Containing a Single Flaw Under Uniaxial Compression: A Numerical Study Based on Parallel Bonded-Particle Model Approach. Rock Mech Rock Eng, 45,711–737, doi: 10.1007/s00603-011-0176-z
)