1 Starting Situation
When producing single-shell tunnels excavated by shield, the dimensions of the segments – defined by the segment tolerances, are of enormous significance regarding the...
For years if not for decades steel fibre reinforced shotcrete has been applied in tunnelling with success. The various problems associated with steel fibres such as e.g. complicated handling owing to...
The construction of Metro V.A., the fifth extension of line A, started in April 2010. It will add to operation 4 new stations and 6.1 km of tunnels to the existing Prague subway network by the end...
1 Statistics on Tunnels under Construction 2011/2012
As in previous years, the STUVA also undertook a survey of current tunnelling projects in Germany at the turn of the year 2011/2012. The outcome...
At this year’s Austrian Tunnel Congress on October 10, 2012 in Salzburg the main issues related to special challenges posed by current major construction sites, innovations and creativity designed...
The basis for the A2 Maastricht integration project is represented by an approx. 2,300 m long double-deck tunnel through which 80 % of the present road traffic is to flow. A green and traffic-calmed...
The Liefkenshoek rail tunnel is being constructed in Antwerp. Ground freezing for 15 cross-passages represents part of the scheme. The altogether 16.5 km long rail tunnel will form a new north-south...
The Citytunnel Waidhofen is located in Lower Austria and runs straight through the densely populated community of Waidhofen with its 11,000 inhabitants on the River Ybbs. The aim of the approx. 44...
A new, 1,030 m long single-track tunnel is being produced directly alongside the existing 935 m long, twin-track Bebenroth Tunnel (1872/75) at Witzenhausen between Oberrieden and Eichenberg stations...
The 3,485 m long, twin-track Pummersdorf Tunnel is the last one to be tackled by mining means via drill+blast as part of upgrading the western route (Westbahn) forming 4 tracks between Vienna and...
