[1]. Bieniawski, Z. T. (1989). Engineering rock mass classifications: a complete manual for engineers and geologists in mining, civil, and petroleum engineering. John Wiley & Sons.
[2]. Barton, N., Lien, R., & Lunde, J. J. R. M. (1974). Engineering classification of rock masses for the design of tunnel support. Rock mechanics, 6, 189-236.
[3]. Bieniawski, Z. T. (1973). Engineering classification of jointed rock masses. Civil Engineering= Siviele Ingenieurswese, 1973(12), 335-343.
[4]. Deere, D. U., Hendron, A. J., Patton, F. D., & Cording, E. J. (1966, September). Design of surface and near-surface construction in rock. In ARMA US Rock Mechanics/Geomechanics Symposium (pp. ARMA-66). ARMA.
[5]. Hoek, E., Kaiser, P. K., & Bawden, W. F. (2000). Support of underground excavations in hard rock. CRC Press.
[6]. Lauffer, H. (1958). Classification for tunnel construction. Geologie und Bauwesen, 24(1), 46-51.
[7]. Palmstrøm, A. (1996). Characterizing rock masses by the RMi for use in practical rock engineering: Part 1: The development of the Rock Mass index (RMi). Tunnelling and underground space technology, 11(2), 175-188.
[8]. Palmstrøm, A. (1996). Characterizing rock masses by the RMi for use in practical rock engineering, part 2: some practical applications of the rock mass index (RMi). Tunnelling and underground space technology, 11(3), 287-303.
[9]. Terzaghi, K. (1946). Rock defects and loads on tunnel supports. Rock tunneling with steel supports.
[10]. Wickham, G. E., Tiedemann, H. R., & Skinner, E. H. (1972, June). Support determinations based on geologic predictions. In N Am Rapid Excav & Tunnelling Conf Proc (Vol. 1).
[11]. Aydan, Ö., Ulusay, R., & Tokashiki, N. (2014). A new rock mass quality rating system: rock mass quality rating (RMQR) and its application to the estimation of geomechanical characteristics of rock masses. Rock mechanics and rock engineering, 47, 1255-1276.
[12]. Bar, N., & Barton, N. (2017). The Q-slope method for rock slope engineering. Rock Mechanics and Rock Engineering, 50, 3307-3322.
[13]. Barton, N., & Bar, N. (2019, September). The Q-slope method for rock slope engineering in faulted rocks and fault zones. In ISRM Congress (pp. ISRM-14CONGRESS). ISRM.
[14]. Hoek, E., Carter, T. G., & Diederichs, M. S. (2013, June). Quantification of the geological strength index chart. In ARMA US Rock Mechanics/Geomechanics Symposium (pp. ARMA-2013). ARMA.
[15]. Laubscher, D. H., & Jakubec, J. (2001). The MRMR rock mass classification for Jointed Rock Masses. Underground mining methods: engineering fundamentals and international case studies, 475-481.
[16]. Maazallahi, V., & Majdi, A. (2021). Directional rock mass rating (DRMR) for anisotropic rock mass characterization. Bulletin of Engineering Geology and the Environment, 80, 4471-4499.
[17]. Marinos, V. (2019). A revised, geotechnical classification GSI system for tectonically disturbed heterogeneous rock masses, such as flysch. Bulletin of Engineering Geology and the Environment, 78, 899-912.
[18]. Mohammadi, M. (2021, October). Application of Rock Mass Rating system in underground intersections. In IOP Conference Series: Earth and Environmental Science (Vol. 861, No. 5, p. 052081). IOP Publishing.
[19]. Saroglou, C., Qi, S., Guo, S., & Wu, F. (2019). ARMR, a new classification system for the rating of anisotropic rock masses. Bulletin of Engineering Geology and the Environment, 78, 3611-3626.
[20]. Sonmez, H., & Ulusay, R. (1999). Modifications to the geological strength index (GSI) and their applicability to stability of slopes. International Journal of Rock Mechanics and Mining Sciences, 36(6), 743-760.
[21]. Rezaei, M., & Habibi, H. (2023). Designing of the Beheshtabad water transmission tunnel based on the hybrid empirical method. Structural Engineering and Mechanics, 86(5), 621-633.
[22]. Palmstrom, A., & Stille, H. (2007). Ground behaviour and rock engineering tools for underground excavations. Tunnelling and Underground Space Technology, 22(4), 363-376.
[23]. Stille, H., & Palmström, A. (2003). Classification as a tool in rock engineering. Tunnelling and underground space technology, 18(4), 331-345.
[24]. Stille, H., & Palmström, A. (2008). Ground behaviour and rock mass composition in underground excavations. Tunnelling and Underground Space Technology, 23(1), 46-64.
[25]. Russo, G., & Grasso, P. (2007, July). On the classification of the rock mass excavation behaviour in tunneling. In ISRM Congress (pp. ISRM-11CONGRESS). ISRM.
[26]. Russo, G. (2008). A simplified rational approach for the preliminary assessment of the excavation behaviour in rock tunnelling. Tunnels et ouvrages souterrains, 207(May-June).
[27]. Russo, G. (2014). An update of the “multiple graph” approach for the preliminary assessment of the excavation behaviour in rock tunnelling. Tunnelling and underground space technology, 41, 74-81.
[28]. Russo, G. (2014). An update of the “multiple graph” approach for the preliminary assessment of the excavation behaviour in rock tunnelling. Tunnelling and underground space technology, 41, 74-81.
[29]. Mohammadi, M., Hossaini, M. F., & Bagloo, H. (2017). Rock bolt supporting factor: rock bolting capability of rock mass. Bulletin of engineering geology and the environment, 76, 231-239.
[30]. Mohammadi, M., & Hossaini, M. F. (2017). Modification of rock mass rating system: Interbedding of strong and weak rock layers. Journal of rock mechanics and geotechnical engineering, 9(6), 1165-1170.
[31]. Antolović, M., Filipović, A., & Amadini, F. (2013). Engineering geological behaviour of rock mass in Chenani-Nashri tunnel, the longest Road tunnel in India. In Tunnelling in Mediterranean Region.
[32]. Decman, A., Stella, F., & Verzani, L. P. (2013, May). Geomechanical follow-up of E1 Teniente new mine level access tunnels. ITA symposium Croatia.
[33]. Palomba, M., Russo, G., Amadini, F., Carrieri, G., & Jain, A. R. (2013, May). Chenani-Nashri Tunnel, the longest road tunnel in India: a challenging case for design-optimization during construction. In World Tunnel Congress 2013. Underground-the way to the future (pp. 964-971).
[34]. Kontrec, P., & Constandinidis, V. (2013, May). Engineering geological characterization of the rock mass in the Adit P4600. In Project El Teniente, Chile, ITA symposium Croatia (pp. 7-8).
[35]. Mohammad, S., Hossaini, F., Mohammadi, M., & Askari, M. (2018). Interpretation of Rock Mass Behaviour via" Multiple Graph" Approach: Adit P-C9 of the Alborz Tunnel.
[36]. Habenicht, H. (2021). The anchoring effects–Our present knowledge and its shortcomings: A keynote lecture. Rock bolting: Theory and application in mining and underground construction, 257-268.
[37]. Tehran-Shomal Freeway Co. (2018), “Detailed reports and maps of Alborz tunnel.,” Tehran, Iran.
[38]. Stille, H., Holmberg, M., & Nord, G. (1989, January). Support of weak rock with grouted bolts and shotcrete. In International Journal of Rock Mechanics and Mining Sciences & Geomechanics Abstracts (Vol. 26, No. 1, pp. 99-113). Pergamon.