%0 Conference Proceedings
%T Mechanized tunneling (EPB-TBM) challenges in mixed face conditions (Soil with Cobble and Boulder) in the Mashhad Metro Line 3
%A Abbasi, Mehdi
%A  Lashkaripour, Gholam Reza
%A  محسن عباسی
%A  مرتضی عباسیl
%J The 5th International Conference on Tunnelling Boring Machines in Difficult Grounds
%D 2022