Underground construction methods: Case Studies
Case Studies & Reports
Chinatown Station deep in the heart of San Francisco
With construction work being carried out in depths up to 30 m in the centre of San Francisco, an enormous building structure is being realised. Whe ... more
Marieholmstunneln connects the banks of the Göta älv river
One of the most interesting tunnels in Scandinavia, the Marieholmstunneln, is currently being realized in the city of Gothenburg. In future, the 30 ... more
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
Alto Maipo, Chile's largest hydroelectric power plant project
The construction of the Alto Maipo Hydroelectric Power Plant is currently being carried out in the foothills of the Chilean Andes in the Maipo vall ... more
Tunnel excavation for the Cheves hydroelectric power plant in Peru
In 2010, construction work began at the Cheves hydroelectric power plant that is located on the Huaura River about 130 km north of Lima. Since its ... more
Pummersdorf Tunnel: Closing a gap in one of Austria’s most important railway lines
Within the scope of the Westbahn extension, one of the most important railway lines in Austria, a 24.7 km long gap was closed between the towns of ... 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
The Liberty University Tunnel: USA’s first Jacked Box tunnel
Liberty University is the largest university in Virginia and the largest private non-profit university in the USA. Until recently, the university c ... more
Construction of Goetschka and Freistadt Tunnels
In 2009, construction began on the S10 Muehlviertel Highway in Upper Austria. The new S10 highway connects to the existing Muehlkreis A7 Motorway n ... 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