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Tunnel surveys

Solutions for Engineering - Tunnel surveys
Whether tunnels service rail networks or road vehicles, and whether they travel underground, under water or through mountains, instruments and solutions from Leica Geosystems provide accurate measurements and safe monitoring.
Tunneldrive Scanning with Leica HDS6000
3D laser scanning has become established in many applications over recent years due to its potential for rapid, non-contact data capture at a high scanning density. That this process can also be used successfully for the investigation of deformations of large surfaces is demonstrated by a research project at the Technical University Munich, Germany (TUM). The Leica HDS6000 laser scanner proved to be a success when scanning the area around the working face of an extension tunnel to the underground railway system in Stuttgart. more
Documenting a Subsea Tunnel
The E18 Bjørvika project, scheduled to be completed in February 2010, will improve the environment of Oslo’s inner city and enhance the area around the new opera near Bjørvika harbour by moving traffic underground – and under water. Part of this ambitious project is a subsea tunnel – the first one ever built in Norway – consisting of six 100 m long elements. The shape of the tunnel is an additional challenge for the engineers: each element is curved, and some of them were built on a flat floor in the dry dock, but will have to fall to the seabed to reach their final destination. A case for Leica Geosystems’ High Definition Surveying™, as told by Frode Edvardsen from contractor Skanska in Norway. more