Tunnels, Caverns and Shafts: 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
Excavation stabilization for new section of Stuttgart 21
Project Approval Section 1.5 is part of a Stuttgart 21 sub-project, the railway project Stuttgart-Ulm. The section refers to the triangle between t ... more
Bad Cannstatt Tunnel – Pit for Smoke Removal Structure
The Bad Cannstatt Tunnel is being advanced within the scope of the major project Stuttgart 21, approval section 1.5, Lot 3. The approx. 3.8 km long ... more
Excavation for Rosenstein Tunnel in Stuttgart, Germany, stabilized
The Rosenstein Tunnel in Stuttgart, Germany, is part of a road construction project that will close a gap in the development of the B 10 Federal Ro ... more
Riyadh Metro: Watertight special solutions for Qasr Al Hokom Station
In 2012, the city of Riyadh in Saudi Arabia had a population of 5.7 million. This figure is expected to increase to 8 million by 2030. Therefore, t ... more
Major Emscher Sewer Project: Construction phase 30
The Emschergenossenschaft has been working on the conversion of the Emscher since 1992. The conversion will change the (river) landscape of the Ruh ... more
Tunnel portals and operation buildings for the Hong Kong-Zhuhai-Macao Bridge
The mega project Hong Kong-Zhuhai-Macao Bridge to create a 35 km long road between Hong Kong and the Chinese mainland started a few years ago. In t ... more
Augsburg Transportation Hub, Germany – New construction of the West Tunnel
The Augsburg City project is the largest urban development to have been undertaken within the last decades in Augsburg, Germany. The redevelopment ... more
Karlsruhe City Railway: Stability against hydrostatic ground water pressure
Within the scope of what is called the Kombiloesung (combined solution), Karlsruhe's centre is being converted to a pedestrian zone without any rai ... more