Tunnels, Caverns and Shafts: 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
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
Loboguerrero tunnel chain in Colombia
In the province of Valle del Cauca in western Colombia, a 32 km long federal road is being built between the towns of Mulaló and Loboguerrero. This ... more
New tunnels for Brazil: Piracicaba, Antônio Dias and Prainha
The BR 381 motorway, which links the federal states of Minas Gerais and São Paulo, is one of the most dangerous roads in Brazil. Furthermore, the m ... more
Mandacarú Rail Tunnel increases Brazil’s competitiveness
Brazil, the world's second largest producer and exporter of soy beans after the USA, plans to increase both production and exportation in the years ... 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
Transolímpica Tunnel, Brasil – New mass transit route for Olympic Games
The Transolímpica bus system is currently under construction in Rio de Janeiro in preparation for the 2016 Olympic Games. The new route is one of t ... 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
Reisseck II pumped storage power station in test operation
The increased use of wind energy in Europe is requiring power stations that can adjust to output fluctuations of wind power stations and that can s ... 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