Surveying

New fully automatic Precision Surveying Gyroscope of DMT

Modern surveying often relies on data from satellite-based GNSS systems, as do modern navigation systems, too. But what if there is no satellite reception? This could be the case underground, in tunnels or in large-scale constructions.

And what if, as in tunnel-building, the highest level of precision is crucial when measuring direction?

DMT has the solution; GYROMAT 5000. This is the latest product to be developed by DMT in its range of high accuracy surveying instruments and will be on show at the upcoming Intergeo. The new surveying instrument allows the accurate measurement of direction,...

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Issue 2014-04

Gotthard Base Tunnel: Surveying the Drive, Laser Scanning and Track Position Control

Since building officially began in 1993 with the first exploratory tunnel in the geologically tricky Piora Zone, altogether 152 km of tunnels, shafts and headings have been excavated. Tunnel driving...

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Issue 2015-02

Goecke GmbH & Co. KG

Increasingly stringent precision requirements and growing price and schedule pressure are posing ever greater challenges for miners and surveyors. In the last 15 years, an innovative programme of...

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Issue 2010-04 Dachzeilentext Englisch

Gotthard Base Tunnel: Surveying by the Client

Untertiteltext Englisch

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...

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Issue 2010-08 Switzerland

Gotthard Base Tunnel: High-accuracy at final breakthrough

The tunnel-boring machine, affectionately dubbed „Sissi“, in honour of the 19th century Austrian empress, by the international team of tunnellers engaged on the project, completed the final...

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Issue 2011-04 Cooperation between Faro and Amberg Technologies

Laser Scanner Focus for TMS Tunnelscan

Faro, one of the world’s leading providers of portable measuring and imaging equipment and Amberg Technologies, one of the world’s top providers of specialised system solutions for the...

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