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Norway's Mega Tunnel: How Engineers Built the World's Longest Road Tunnel #tunnelbear #muskrat

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How do engineers build a 24.5-kilometre road tunnel through solid Norwegian mountains?

In this Civil Explaine documentary, we explore the engineering behind Norway's Lærdal Tunnel, the world's longest road tunnel. From geological investigation and controlled drilling and blasting to rock stabilization, drainage, ventilation and emergency safety systems, discover how engineers transformed a massive mountain into a functioning highway.
You'll see how the tunnel was excavated through hard rock, how engineers stabilized the surrounding mountain, how groundwater is managed, how ventilation keeps the underground environment safe, and why the tunnel's distinctive illuminated mountain halls are part of the journey.

????️ Inside this mega project:
Lærdal Tunnel, Norway
24.5 km underground road
Hard-rock tunnel construction
Drilling and controlled blasting
Rock bolts and shotcrete
Tunnel drainage
Ventilation systems
Emergency safety infrastructure
Norwegian mega-project engineering
Civil and structural engineering
???? Mega engineering. Extreme environments. Incredible infrastructure.

???? Would you drive through a 24.5-kilometre tunnel?

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#LardalTunnel #Norway #MegaProjects #CivilEngineering #TunnelEngineering #EngineeringExplained #MegaStructures #CivilExplaine #Infrastructure #Engineering
Category
NORWEGIAN NEWS
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