DB Projekt Stuttgart–Ulm GmbH (PSU) has a new CEO as of March 1, 2026: Klaus Müller succeeds Olaf Drescher, who is retiring. Klaus Müller has been a member of the PSU executive board since the...
The special vessel that will be used to lower the tunnel segments for the Fehmarnbelt Tunnel is currently undergoing final tests at the working harbour near Rødbyhavn ahead of certification by the...
On 18 March 2026, the newly constructed tube of the Karawanken Tunnel on the A11 Karawanken Motorway was officially opened with a grand ceremony attended by Federal Minister Peter Hanke, Federal...
From 16 to 17 June 2026, the congress center KKL Lucerne will once again become the focus of the international tunnelling community when the Swiss Tunnelling Society hosts the Swiss Tunnel Congress...
Since September 2024, a giant Herrenknecht tunnel boring machine (TBM) has been excavating a metro tunnel under the Panama Canal. On February 2, 2026, the construction consortium HPH reached an...
On 8 and 9 June 2026, the specialist colloquium “Advanced Drilling Technologies and Subsurface Engineering” will take place as part of the 77th BHT – Freiberg University Forum in Germany. The...
The Holzminde is a small river that flows through the center of the town of Holzminden in southern Lower Saxony, Germany. The town’s proximity to the “red water”, as the Holzminde is popularly...
The R 930 Tunnel crawler excavator was developed at Liebherr-France SAS in Colmar (France). The R 930 Tunnel model is the successor to the R 924 Compact Tunnel and delivers increased performance for...
Conventional project delivery models with unit or lump sum remuneration regularly reach their limits, especially in large-scale projects. There are many reasons for this. Integrated Project Delivery...
The central access structure to the new Marienhof Station on the 2nd S-Bahn Main Line is being built using the diaphragm wall/top-down construction method. With five bracing levels and a depth of 42...
One of Martin Herrenknecht’s earliest insights into mechanized tunnelling still drives him today: “There’s a better way.” This insight originally referred to a tunnel boring machine from an American...
On 4 March 2026, the 2nd Cologne Tunnel Construction Day took place at Cologne University of Applied Sciences. Around 160 participants attended the German-language event, which featured 11 specialist...
In January 2026, the new collaborative research project EINFACH (German acronym for „Single-shell tunnel construction using CO2-optimised fibre-reinforced sprayed concretes – rethinking tunnel shells...
