Two-arm pipe arch drilling rig
Hard rock TBM; Bärenwerk hydroelectric power plant
Shotcrete core construction method; Moutier tunnel
Single shield TBM – cutterhead assembly; Belchen tunnel
Single shield TBM – rear gantry, Belchen tunnel
Tunnel excavation by digger
Tunneling is one of the core competences of Marti. The company has been involved as a prime contractor, lead partner in multinational joint ventures, specialist subcontractor and manufacturer of tunneling equipment for the execution of mechanized and conventional tunnel construction works in relation to large and complex projects in Switzerland and abroad.
Marti is an expert for underground works in both urban and remote areas in various kinds of geological conditions.