The JV contractor responsible for the headrace tunnel, Limak/AGE, opted for a unique type of TBM to bore in ophiolite, flysch, mélange and breccia with suspected water inflows up to 20 bar. The 6.2 m...
Assembled in Schwanau, with a diameter of 15.87 m the tunnel boring machine for the Santa Lucia road tunnel is an impressive sight. In the next three years the 4800 tonne drilling giant will build a 7528 meter tunnel in the Apennines near Florence. It takes over from the existing record holder for size, which was also used in Italy – an EPB shield for the Galleria Sparvo with a diameter of 15.62 m.
Fault zones represent a major challenge in tunnelling for planners, geologists and contractors. It is not always easy to identify and localise fault zones quite apart from obtaining significant sample...
On October 12th, 2016 the Austrian national committee of the International Tunnelling and Underground Space Association (ITA) staged its 10th Tunnel Day at the Salzburg Congress Centre in conjunction...
Worldwide there is a quest for urban space driven by increasing urbanization. According to the ITACUS white paper (2010), more than half of the world’s population lives in urban areas.
The...
The upgraded Hanau–Nantenbach line is part of the Main Spessart route between Hanau and Würzburg. The route has been operational since the middle of the 19th century and is numbered among the...
Traffic safety, relieving congestion and maintaining the existing infrastructure represent the aims of the Austrian state-owned motorway operator ASFINAG. This year the company is investing no less...
The Administrative Council of the AlpTransit Gotthard AG (ATG) elected Dieter Schwank as its new board chairman in mid-February 2017. Currently Dieter Schwank is in charge of the department for legal...
The Hamburg HafenCity is the biggest inner-urban development project in Europe. On behalf of the Hamburg Hochbahn AG the Metro Line U4 is currently being extended in the direction of the bridges over...
Executing a tunnel drive beneath an existing railway line allows the tracks very little room for settling. The excavation must be devised in keeping with these marginal conditions. Furthermore, continuous checking of the track settlement must be assured for control purposes. By installing a corresponding monitoring system, it is possible for the driving operations to be monitored permanently by all those involved and adapted to the given situation.
