World's Longest Tunnel - How It Was Built - Full Documentary
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YouTubeWisdom Land
World's Longest Tunnel - How It Was Built - Full Documentary
The Gotthard Base Tunnel (GBT; German: Gotthard-Basistunnel, Italian: Galleria di base del San Gottardo, Romansh: Tunnel da basa dal Son Gottard) is a railway tunnel through the Alps in Switzerland. It opened on 1 June 2016, and full service began on 11 December 2016. With a route length of 57.09 km (35.5 mi), it is the world's longest and ...
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Excessive water during tunnel construction can pose significant challenges and require specialised techniques such as grouting, dewatering, ground freezing, drainage and temporary diversion system to manage. It's important to note that the specific methods employed to deal with excessive water during tunnel construction will depend on the geological and hydrological conditions of the site, as well as the depth and length of the tunnel. Consulting with geotechnical and tunneling experts is crucia
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