1. Aydan, O., 1989. The stabilisation of rock engineering structures by rockbolts. Ph.D. Thesis, Nagoya University, Japan.
2. Bjurstrom, S., 1974. Shear strength of hard rock joints reinforced by grouted untensioned bolts. In: Proceedings of the 3rd ISRM Congress, Denver, pp. 1194–1199.
3. Bobet, A., 2002. Mechanically anchored rockbolts in tunnels in saturated ground. In: Proceedings of the North American Rock Mechanics Symposium, NARMS-TAC, pp. 797–804.
4. Tunnel reinforcement with rockbolts;Bobet;Tunn. Undergr. Space Technol.,2011
5. A study of rock bolting design in soft rock;Cai;Int. J. Rock Mech. Min. Sci.,2004