BASF has signed a contract with Atlas Copco to sell its MEYCO Equipment business providing concrete spraying machines to the tunnelling and mining industries. The machinery manufacturer, which is...
This issue of tunnel (1/2013) marks the end of my tenure in office as editor-in-chief. After more than 11 exciting and interesting years with tunnel that never lacked variety, I am handing over the...
The urgently needed upgrading of the Rhine Valley rail route is forging ahead. The Federal Ministry for Transport, Building and Urban Development and the Deutsche Bahn AG have reached agreement on...
For the time being no station will be built below Sedrun in the Gotthard Base Tunnel. The Sedrun Multi-Function Station, where an emergency halt with air-conditioned premises is located for emergency...
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...
