The Brenner Base Tunnel (BBT) is a flat railway tunnel currently under construction that will connect two countries. It runs between Innsbruck (Austria) and Fortezza (Italy) and is 55 km long. In May...
For more than 20 years, the six tunnels of the Semmering tunnel chain on the S 6 have been the fastest and, above all, safest connection between Styria and Lower Austria. However, it is now necessary...
In early June 2025 two 6.65 m diameter Earth Pressure Balance TBMs finished their excavation work on India’s Delhi Metro Phase IV DC‑07 package, achieving a seamless drive from Airforce Station to...
The German Concrete and Construction Technology Association (DBV) has honored O. Univ.-Prof. Dr. mult., Dr.-Ing. E.h. mult. Konrad Bergmeister with the association‘s highest award, the...
In June 2025 Implenia has signed an “Early Contractor Involvement” contract with Swedish company SKB (Svensk Kärnbränslehantering AB) to build the first underground section of a deep repository for...
On October 7 and 8, 2025, the construction equipment industry will gather for the 8th Construction Equipment Forum at the Coreum in Stockstadt (Rhine)/Germany. Under the theme “Rethinking Construction...
The 3rd PIARC International Conference on Road Tunnel Operations and Safety will take place in Cracow in October 2026. The third edition of this event will explore key aspects of road tunnel planning,...
It is an ambitious plan set to revolutionize the Paris transportation network: the Grand Paris Express. A completely new metro ring with four new lines. The new network, spanning approximately 200...
Building a second S-Bahn core route 44 meters below street level is a huge endeavor. ARGE Marienhof, a joint venture between Implenia and Hochtief, is building the new Marienhof station for Deutsche...
The final part of the series of articles on risk management and contract models in tunnel construction focuses on the selection and description of remuneration models as a central component of project...
In late June 2025, the last of two Herrenknecht Single Shield TBMs successfully completed its drive for the new railway line between Rishikesh and Karnaprayag in the Indian Himalayas. The first...
Phase 2A of Indonesia’s Jakarta Mass Rapid Transit (MRT) expands the capital city’s mass transit system. The project extends the city’s Red Line from Bundaran HI into the old city and connects the...
The Münster Tunnel Construction Colloquium 2025 was a great success and received consistently positive feedback from participants. In a relaxed atmosphere, the fully booked event at the Münster...
On June 25 and 26, 2025, an in-depth workshop on the highly topical subject of injections in structural engineering took place at the Recklinghausen Training Mine. Around 100 experts from engineering...
On May 22, 2025, the 10th Rock Mechanics and Tunnelling Day took place at the WBI Center in Weinheim, Germany. This year, the very well-attended event focused on rock mechanics, tunnelling and...
Excavated material from tunnel construction is a valuable resource and by no means waste. It can be used for a variety of construction purposes, for example in traffic infrastructure construction or...
In April 2025, Prof. Dr.-Ing. Roland Leucker turned 60 and has thus dedicated almost exactly a third of his life to STUVA. When he was offered the position of Deputy Managing Director in 2006 by...
With its new formula, the epoxy resin filler “StoPox WB 50” speeds up construction site processes. It is designed for filling and partial reprofiling of tunnel inner shells and is also suitable for...
