After careful scrutiny, the Federal Council has reached the conclusion that the building of a second tunnel bore for the Gotthard Road Tunnel, which requires extensive redevelopment on account of its...
In June 2012 the Robbins Company celebrated at the NAT 2012 (North American Tunnelling Conference) in Indianapolis, Indiana/USA 60 years of Tunnelling. Taking this chance, Lok Home found time for an...
After the completion of the currently largest infrastructure programme in the Federal Republic of Germany, the German Unity Transport (VDE) Project No. 8, it will be possible to travel by train in...
The Stuttgart terminus station is being modified to form a through station after being turned by 90° and laid deeper. In future it will possess 8 tracks and four 420 m long central platforms –...
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...
