Tunnels MENU

Pajares, Spain    

3D Mobile Laser Scanning survey of the Pajares tunnels (2 x 25km) for the new high speed track in Spain - AVE.

Data acquisition was completed by our MLS in three different days / missions.

The absolute accuracy of the whole survey was characterized by a RMS of 2 cm,  however the total GNSS outages inside the tunnel in a total lenght of 50 km.

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Goshenen, Switzerland    

Swiss 16,5 km long Gottardt tunnel  MLS survey with our Riegl VMX-250 system.

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Rabat, Marrocco    

Rabat Ville train station tunnel pathology  mapping survey by 3D laser scanning. Ortoimagery by laser intensity .

Project for ONCF in 2010, Morocco.

 

 

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Porto, Portugal    

Yellow line Porto Metro tunnels survey in portugal

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São Vicente, Madeira Island    

São Vicente Caves survey for Geotechnical project regarding visitors pathways safety and stability.

The work consisted of three-dimensional and photogrammetric survey of galleries with
900 m length, existing geological pathology conditions classification, characterization, size, shape and location. This project was conducted in partnership with Engeomad.

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Funchal, Madeira Island    

Tunnel pathology mapping (cota 40) in the city of Funchal, Madeira.

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