Tunnel construction can generate over 200 tonnes of excavated spoil per hour. If this spoil cannot be used on the same construction site, it often ends up in landfill sites. To enable sustainable...
Pumped storage power plants are a technology that has been used for energy storage for over 100 years. In view of the energy transition, they are once again coming into focus as they offer a flexible...
Winners of the seven categories of the 10th Anniversary series of the ITA Tunnelling Awards were announced and the Brunel Trophies presented at the Awards gala celebrations in Genoa, Italy.These...
On 22 May 2025, the 10th Rock Mechanics and Tunnelling Day will take place at the WBI Center in Weinheim (Germany). The conference will be organized by WBI GmbH, sponsored by the German Railway (DB InfraGO AG) and supported by the German Engineering Association (Arbeitskreis Bautechnik of the Württembergische Ingenieurverein).
In mid-October 2024, SBM Mineral Processing unveiled the new SBM Euromix 1600 Nova mobile concrete mixing plant at its headquarters in Oberweis, Upper Austria. With a production capacity of up to 80...
The Elleringhausen railway tunnel, which is more than 150 years old, is being extensively renovated. In order to install a new inner shell, concrete cable ducts had to be removed at the base of the...
The latest superloader from Swiss manufacturer ITC SA, type ITC 315SL, has recently completed its work on the Stockholm metro. The Kungsträdgården project carried out by OHLA for the Stockholm region comprises the construction of two single-track tunnels, a service tunnel and cross-passages; the total length of tunnels is around 4500 m. Find out more in the report in tunnel 1/2025.
Between Diez and Fachingen, Porr is upgrading the 426 m long, double-track Fachingen Tunnel, which dates back to the 19th century. On behalf of Deutsche Bahn, Porr is working in a consortium with...
In 2021 the Västlänken project (West Link), a railway tunnel underneath the city centre of Gothenburg, has been presented in tunnel-issue 06/2021. Three years later, several sections of the tunnel structure have been handed over for fitting out and track laying, while other parts of the tunnel are in full production process. This article gives an update on the project status and focuses on selected technical solutions, such as concrete columns supporting large rock caverns and one of the first NATM-drives in Sweden.
