1. Chang Y. tunnel support with shotcrete in weak rock—a rock mechanics study. Doctoral thesis, Division of Soil and Rock Mechanics, Royal Institute of Technology (KTH), Stockholm, Sweden, 1994.
2. Fernandez-Delgado G, Mahar JM, Parker HW. Structural behaviour of thin shotcrete liners obtained from large scale tests. In: Shotcrete for underground support, Proceedings of the engineering foundation conference, Easton, Maryland, 4–8 October 1976, ACI Publication SP-54, pp. 399–442.
3. Nilsson U. Structural behaviour of fibre reinforced sprayed concrete anchored in rock. Doctoral thesis, Royal Institute of Technology, Stockholm, Sweden Bulletin No. 71, 2003.
4. Fairhurst C, Damjanac B. The excavation damaged zone—an international perspective. In: Martino JB, Martin CD, editors. Proceedings of excavation disturbed zone workshop, Manitoba, Canada, 1996.
5. Fishman YA, Lavrov VE. Designing of rock supports of tunnels on the basis of generalized data on thickness of distressed zone. In: Barla G, editor. Proceedings of Eurock ’96. Rotterdam: Balkema; 1996. p. 915–21.