1. The face stability of slurry shield-driven tunnels;Anagnostou;Tunnell Undergr Space Technol,1994
2. Bowers KH, Moss NA. Settlement due to tunnelling on the CTRL London tunnels. In: Bakker et al. editor, Geotechnical aspects of underground construction in soft ground; 2006. p. 203–9.
3. Broere, W. Tunnel face stability and new CPT applications. Ph.D. Thesis, Delft University of Technology. The Netherlands: Delft University Press; 2001.
4. Carranza Torres C. Computation of factor of safety for shallow tunnels using Caquot’s lower bound solution. Technical report for Geodata, Turin; 2004.
5. Shallow tunnels in cohesionless soil: stability of tunnel face;Chambon;J Geotechnol Eng ASCE,1994