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Germany’s national railway company “Deutsche Bahn” plans for new railway lines with a number of long tunnels in jointed rock. In view of their length, these are suitable for TBM heading. In the past, TBM heading in jointed rock have often been connected with difficulties, which have led to exceeding of the planned construction times and costs.

In the course of a large-scale infrastructure programme of the Egyptian government, including the creation of a special economic zone in the Sinai Peninsula, Egyptian construction companies were commissioned to build several tunnels; the construction times of these projects were quite ambitious.

At the end of April 2023, more than 200 experts and students came together at the Münster Tunnel Engineering Colloquium for a day of presentations on many topics from the most diverse areas of tunnel...

At the closing ceremony, the participants agreed: It was an excellent World Tunnel Congress 2023 in Athens. In numbers this means: More than 420 presentations from over 45 countries in the lecture sessions and an extensive exhibition of the tunnelling industry.

On May 2, 2023, the excavation of the east main tunnel from Ahrental southwards began in the H41 Sill Gorge–Pfons construction lot with the start of the tunnel boring machine (TBM) named “Lilia”....

Dr Jan Klügge (47) has been appointed to the newly created position of Chief Technology Officer (CTO) at MC-Bauchemie Müller GmbH & Co. KG as of 1 April 2023.

The project K2D Skøyen–Vækerø in Oslo is part of Fornebubanen – the largest subway tunnelling project in Norway since the 1970s. It will consist of the Skøyen subway station, as well as around 1.2 km of tunnelling below a heavily urbanised area and an escape tunnel (Bestum). In March 2023, Implenia was awarded the contract for construction, and will start its work on K2D Skøyen–Vækerø later this year.