Issue 49

C.Y. Liu et alii, Frattura ed Integrità Strutturale, 49 (2019) 557-567; DOI: 10.3221/IGF-ESIS.49.52 567 Journal of Rock Mechanics & Mining Sciences, 59, pp. 57-69. DOI: 10.1016/j.ijrmms.2012.12.011 [11] Kahraman, S. (2003). Corrigendum to: “Correlation of TBM and drilling machine performances with rock brittleness, Engineering Geology, 67, pp. 269-283. DOI: 10.1016/S0013-7952(01)00137-5 [12] Altindag, R. (2002). The evaluation of rock brittleness concept on rotary blast hole drills, Journal- South African Institute of Mining and Metallurgy, 102(1), pp. 61-66. [13] Li, Q.H., Chen, M., Jin, Y., Wang, F.P., Hou, B. (2012). Indoor Evaluation Method for Shale Brittleness And Improvement, Chinese Journal of Rock Mechanics & Engineering, 31 (8), pp. 1680-1685. [14] Tarasov, B.G., Potvin, Y. (2012). Absolute, relative and intrinsic rock brittleness at compression, Mining Technology, 121(4), pp. 218-225. [15] Xia, Y.J., Li, L.C., Tang, C.A., Li, X.Y., Ma, S., Li, M. (2017). A New Method to Evaluate Rock Mass Brittleness Based on Stress–Strain Curves of Class I, Rock Mechanics & Rock Engineering, 50(5), pp. 1-17. DOI: 10.1007/s00603-017-1174-6. [16] Altindag, R. (2009). Assessment of some brittleness indexes in rock-drilling efficiency, Rock Mechanics & Rock Engineering, 43(3), pp. 361-370. [17] Hucka, V., Das, B. (1974). Brittleness determination of rocks by different methods, International Journal of Rock Mechanics & Mining Sciences & Geomechanics Abstracts, 11(10), pp. 389-392. DOI: 10.1016/0148-9062(74)91109-7. [18] Meng, F., Zhou, H., Zhang, C., Xu, R., Lu, J. (2015). Evaluation Methodology of Brittleness of Rock Based on Post- Peak Stress–Strain Curves, Rock Mechanics & Rock Engineering, 48(5), pp. 1787-1805. DOI: 10.1007/s00603-014-0694-6. [19] Chen, G., Zhao, C., Wei, T., Wang, J. (2018). Evaluation method of brittle characteristics of rock based on full stress- strain curve and crack initiation stress, Chinese Journal of Rock Mechanics & Engineering. [20] Wang, Y., Li, X., Wu, Y.F. (2014). Research on Relationship Between Crack Initiation Stress Level and Brittleness Indices for Brittle Rocks, Chinese Journal of Rock Mechanics & Engineering. [21] Hucka, V., Das, B. (1974). Brittleness determination of rocks by different methods. International Journal of Rock Mechanics & Mining Sciences & Geomechanics Abstracts, 11(10), pp. 389-392. [22] Tarasov, B., Potvin, Y. Universal criteria for rock brittleness estimation under triaxial compression. International Journal of Rock Mechanics and Mining Sciences, 59, 57-69. [23] Rickman, R., Mullen, M.J., Petre, J.E. (2008). A Practical Use of Shale Petrophysics for Stimulation Design Optimization: All Shale Plays Are Not Clones of the Barnett Shale; proceedings of the Spe Technical Conference and Exhibition. [24] Lawn, B.R., Marshall, D.B. (2010). Hardness, Toughness, and Brittleness: An Indentation Analysis, Journal of the American Ceramic Society, 62 (7-8), pp. 347-350. DOI: 10.1111/j.1151-2916.1979.tb19075.x. [25] Quinn, J.B., Quinn, G.D. (1997). Indentation brittleness of ceramics: a fresh approach, Journal of Materials Science, 32, pp. 4331-4346.