[1] M. Nasiri, "Validation of the results of soil strength parameters at the Imam Khomeini Mosalla of Tehran," Construction Science and Technology vol. 1, no. 4, pp. 1-12, 2021. (In Persian)
[2] D. ASTM, "2488," Standard practice for description and identification of soils (visual–manual procedure). ASTM west conshohocken, 2000.
[3] S. W. Hunt, "Tunneling in cobbles and boulders," Breakthroughs in Tunneling, Short Course, Chicago IL, August, pp. 14-16, 2017.
[4] H. Moammeri and S. Tarigh Azali, "Abrasive effects on TBMs used to bore current or recently completed projects in Iran," World Tunnelling (Desember 2010), pp. 24-27, 2010.
[5] E. Comis and D. Chastka, "Design and Implementation of a Large-Diameter, Dual-Mode “Crossover” TBM for the Akron Ohio Canal Interceptor Tunnel," Proc. RETC 2017, pp. 488-497, 2017.
[6] M. DiPonio, D. Chapman, and C. Bournes, "EPB tunnel boring machine design for boulder conditions," in Proceedings of 2007 Rapid Excavation and Tunneling Conference, Traylor MT & Townsend JW (Eds), SME, Littleton, Colorado, 2007, pp. 215-228.
[7] S. W. Hunt, "Tunneling in cobbles and boulders," The 8th annual breakthroughs in Tunneling short course. University of Colorado Boulder, September 12-14, 2016.
[8] J. Rostami, "Rock cutting tools for mechanical mining," in SME annual Meeting, Denver, Colorado, Society of Mining Metallurgy and Exploration Inc, 2001.
[9] J. B. O'Carroll, A Guide to planning, constructing, and supervising earth pressure balance TBM tunneling. Parsons Brinckerhoff, 2005.
[10] D. Yuan, J. Peng, and H. Q, "Case Study of Cutterhead Selection and Cutting Tools Configuration of Shield Machines in Sandy Cobble Stratum," in Proceedings of the World Tunnel Congress 2017 – Surface challenges – Underground solutions. Bergen, Norway., 2017, pp. 1089-1098.
[11] C. Goss, "Predicting boulder cutting in soft ground tunneling," in North American Tunneling 2002: CRC Press, 2002, pp. 37-46.
[12] R. Teale, "The concept of specific energy in rock drilling," in International journal of rock mechanics and mining sciences & geomechanics abstracts, 1965, vol. 2, no. 1: Elsevier, pp. 57-73.