1. Evaluation of tunnel face stability by transparent soil models;Ahmed;Tunn. Undergr. Space. Technol.,2012
2. Face stability conditions with earth-pressure-balanced shields;Anagnostou;Tunn. Undergr. Space. Technol.,1996
3. Engin E. PLAXIS;Brinkgreve,2011
4. Tunnel face stability & new CPT applications;Broere,2001
5. Shallow tunnels in cohesionless soil: stability of tunnel face;Chambon;J Geotech Eng.,1994