Stuttgart 21 - Los1B:Tunnel Ober und Untertürkheim

Stuttgart 21, Railwail tunnel

Project started:
2017

Project type:
Stuttgart 21, Railwail tunnel

Location:
Stuttgart, Germany

Description:
In total 60 km new railroad line and three new railway stations (main station Stuttgart, railway station airport/exposition and new suburban railway station in the new Rosensteinhood) will provide that the railway hub Stuttgart will become more efficient. The main station Stuttgart will be redesigned from a dead-end station into a through station.
The construction works are separated into six design identification sections (PFA 1.1 to 1.6). The main line will be guided, as recently, through the circular valley of the provincial capital. All access lines to the new subterranean through station will be constructed as tunnel.

Technology:
NATM (New Austrian Tunneling Method): Sequential method – drill and blast.

Additional information: :
The works(concreting of large station profiles, concreting of secondary lining - counter-vault and vault, concreting of cable ducts, concreting of filling concrete of pavement, remediation and grouting works of secondary lining, NATM works, profiling works) were executed for ARGE ATCOST21, Germany.

The STI company covers shooting and rescue work on German projects.