Issue 08/2012

In June 2012 the Robbins Company celebrated at the NAT 2012 (North American Tunnelling Conference) in Indianapolis, Indiana/USA 60 years of...

The precision of the segments produced are of great significance for a single-shell segment tunnel. This report devotes itself to the problems

The Metro V.A. extension included 4.8 km of twin tunnels bored by 2 Earth Pressure Balance Machines (EPBMs), and 1.3 km section including mined double...

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...

For years if not for decades steel fibre reinforced shotcrete has been applied in tunnelling with success. The various problems associated with steel...

At this year’s Austrian Tunnel Congress on October 10, 2012 in Salzburg the main issues related to special challenges posed by current major...

For almost 35 years, the STUVA, in line with a corresponding proposal put forward by the International Tunnelling and Underground Space Association,...