PROJECTS


This site is designed to present sample projects which might be of interest because of their topicality or because of special features.


City railway tunnel Berlin, May 2006

This is an example of the use of scanner technology for recording and documenting the actual status of a new tunnel. The scanner recording is evidence of the tunnel condition before it is put into operation. It also serves as basis for the tunnel inspections to detect any damage.

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Metro Brussels, June 2006

This scanner recording was taken for the prime purpose of establishing the clearance before the introduction of new carriages. The recording covered the entire line network with a total length of 100 kilometres.

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Lötschberg Base Tunnel, May 2007

To determine the profile, full-surface scanner recordings were made of all tunnel sections at high resolution
(10,000 pixels per 360° scan).

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Metro Montreal, June 2008

The metro network of the Canadian City of Montreal includes four lines with a total length of 70 kilometres. Before putting new carriages into service, the task was to survey the profiles and to record the nature and condition of the tunnel surface. The line details were recorded on both tracks. Depots and workshops were also included in the surveys, resulting in a total recording length of approx. 160 kilometres.

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Adventures in 2009

2009 was again a busy year for the SPACETEC people, with 352 tunnels in seven countries scanned and the data edited and analysed in line with the operators requirements. The total measured length of the tunnels was 298 kilometres.

As always, the missions not only involved the standard measurement runs, but also a fair share of eccentric situations. See some of these in the following Impressions in 2009:

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Finnish Railways, 2007 - 2011

Within four measurement campaigns ranging from 2007 to 2011, SPACETEC scanned virtually every railway tunnel of the Finnish Railways.

This also covered the tunnel of the Vuosaari Harbour Project with its Savio Tunnel, with 13.5 km Finland’s longest tunnel.

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Motorway tunnel, 2011

Scanner recording of the tunnel as starting point for the principal review under DIN 1076 and generating the investigation report.

The new data were compared with legacy data and served as basis for the tunnel state evaluation and for planning repairsl.

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Research project in the U.S., 2011

Scanner recording of the Chesapeake tunnel under the SHRP2 program (U.S. Strategic Highway Research Program). In the research project various contact and contactless imaging examination methods for condition assessment of tunnel walls were compared.

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