Four out of five major projects are not completed within the planned time and the budgeted costs. The reasons for this great uncertainty lie in the lack of integration of a quantitative risk analysis...
In the course of tunnel drives, pre-support measures can be necessary to waterproof or consolidate the surrounding ground. Since such measures can sometimes drastically slow the advance rate, their...
Since 22 September 2020, hearings on the Fehmarnbelt Tunnel have been underway before the Federal Administrative Court in Leipzig, Germany. "We are pleased that we can now also obtain a final judicial...
Deutsche Bahn (German Railways) is taking the next important step in the course of Stuttgart 21 at Stuttgart Airport. On 20 July 2020, the project partners celebrated the start of the main...
The annual Geomechanics Colloquium in Salzburg has developed as an important meeting point for experts in Central Europe. The event with the associated exhibition usually attracts over 900...
In Italy, the largest tunnel boring machine ever used in Europe successfully completed its drive at the Santa Lucia Tunnel on June 8, 2020. The supersize borer (Earth Pressure Balance Shield, diameter...
During construction of the approx. 600 m long Bertolds-hofen road tunnel in the Allgäu, Bavaria, the mined tunnel including excavation and support measures was represented using the Building...
During construction of the Stuttgart 21 railway tunnels leading to Bad Cannstatt a shaft and a 2-m-diameter jacking pipe of the long distance heat supply were unexpectedly encountered. At first, the...
The German Research Association for Tunnels and Transportation Facilities (STUVA – Studiengesellschaft für Tunnel und Verkehrsanlagen e. V.) has the same problems as many, celebrating a birthday in...
