Tunnel boring machines (TBM): Case Studies
Case Studies & Reports
Formwork Carriage Follows the World's Largest Tunnel Boring Machine
The 1950s vintage Alaskan Way Viaduct has long been considered one of the most important thoroughfares along Seattle's waterfront. As a replacement ... more
The Albaufstieg: Tunnel construction for high speed rail line
The Stuttgart-Ulm railway project includes several major projects that will shift traffic from the roads to the rails. The existing, winding rail l ... more
Brenner Base Tunnel – Advancement in highly converging rock mass
At 1,371 m above sea level, the Brenner Pass is the most important connection between Central Europe and Italy, carrying more than a third of all t ... more
Koralm Tunnel (KAT3) stabilized by pipe umbrella system with innovative squeezed connection
The Koralm Tunnel in Austria is the core part of the Baltic-Adriatic Corridor, a planned railway link between the cities of Gdansk in Poland and Ra ... more
"Bärlinde" tunnel boring machine reaches Brandenburg Gate station
Implenia has been working since 2011 on the new U5 underground railway line for the Berlin Transport Authority (BVG). The project includes extendin ... more
A giant dives deep and brings Europe and Asia together at the Bosphorus
On August 22, 2015, a high-level audience experienced the ultimate breakthrough of one of the boldest tunnel missions ever. In the afternoon, befor ... more