Conventional tunnelling: 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
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
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
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