Refurbishment of the Tauern tunnel: big challenges for traffic!

Refurbishment of the Tauern tunnel: big challenges for traffic!

The Tauern tunnel, an impressive ÖBB building with a length of 8,371 meters, has been closed to the first comprehensive renovation phase since mid -November 2024. The renovation is considered the largest since the commissioning of the tunnel in 1909. The work is necessary because water regularly penetrates the tunnel, which leads to corrosion and other damage. In order to avoid long-term problems, the tunnel inner shell is partially renewed, the lead and safety technology is brought up to date and additional new rails are relocated. A second, five-month lock is planned in the first half of 2027, such as

measures against moisture

An aspect of the renovation also affects the use of horizontal barriers to prevent rising moisture. With the selection of suitable materials, such as besolved bitumen tracks, various factors are crucial, including mechanical resistance and tolerance with other building materials. These foils not only offer optimal protection, but are also adaptable, which makes them ideal for use in the masonry. A precise laying of the horizontal barriers is crucial to prevent long-term damage to the masonry, according to the experts at Hausjournal .