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

摘要

This report deals with the surveying activities carried out for building the world's longest rail tunnel (57 km), which constitutes part of the goods transport corridor from Rotterdam to Genoa. The Gotthard Base Tunnel runs from its north portal at Erstfeld through the Swiss Alps to the south portal at Bodio. With rock overburden of up to 2300 m the Gotthard Base Tunnel is also the deepest lying rail tunnel ever built.