Requirements on Surveying
At the very most 25 cm crosswise and along the tunnel and 12.5 cm in elevation are tolerated as deviations for the Gotthard breakthroughs. In order to remain inside these...
Major Structure on a constricted Space
The Gotthard Base Tunnel’s northern access has been under construction in the Reusstal since 2005 – a valley which already contains important transit routes:...
The rail technology embraces all components and systems, which belong to the “actual rail technical system”: the track, electric installations for supplying power for the rail technology and the...
On April 9, 2010 Ministerialrat Dipl.-Ing. Joachim Naumann, the head of the section for bridges, tunnels and other engineering structures in the highways department at the Federal Ministry of...
The Asfinag as operator of the motorway in Austria has commissioned the construction of a second tunnel bore with 5 breakdown bays and
11 cross-passages (6 of them negotiable with vehicles) for the...
The CEO of the AlpTransit Gotthard AG Renzo Simoni reported on progress achieved in building Switzerland’s biggest construction project during the premiere of the 2009 AlpTransit annual film on...
The Tunnelling sector at this year’s InnoTrans in Berlin displays itself as larger and even more international. The exhibition area for Tunnel Construction in Hall 5.2 has risen by some
30 %...
The inclined shaft for the La Muela II project has been driven by a highly mechanised drill+blast installation since April 2010. Rowa’s newly developed innovation completed for enlarging the pumped...
Frequently sensitive buildings are located within the sphere of influence of tunnels, which have to be correspondingly secured against irreconcilable effects. The inter-actions between the existing...
The absence of muck cars allows for continual operation behind TBMs, factoring into recent weekly EPB advances as high as 210 m.
“The Robbins-supplied tunnel conveyor system performed remarkably...
