How the world's longest underwater tunnel was built - Alex Gendler
3,629,183
Published 2020-03-30
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Flanked by two powerful nations, the English Channel has long been one of the world’s most important maritime passages. Yet for most of its history, crossing was a dangerous prospect. Engineers proposed numerous plans for spanning the gap, including a design for an underwater passage more than twice the length of any existing tunnel. Alex Gendler details the creation of the Channel Tunnel.
Lesson by Alex Gendler, directed by Studio Kimchi.
Animator's website: studiokimchi.com/
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All Comments (21)
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After spending a semester of my engineering degree studying the construction of the channel tunnel, I can reveal it was dug by a huge boring machine.
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me : about to go to sleep. TED-Ed : How Do You Build A Tunnel Underwater? me : ..... me : WELL THAT'S A GOOD QUESTION. I AM IN
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"A type of concrete that could heal itself" Flex Seal Family of Products: This is an Avengers Level threat
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“The British anticipated dryer conditions” is literally the most hysterically ironic thing I have ever heard
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I don’t even like engineering all that much, but TedEd always tells the most interesting stories
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"Humanity is at their best when breaking down barriers." Coronavirus: are you sure about that?
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My dad worked on the English side of the tunnel as a civil engineer. He was tasked to deal with the leakage.
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I don't get GPS signal in a parking garage and these guys can get an accurate satellite position underground below the seabed?? 3:33
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Engineers should build the next big thing: Sky tunnels.
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TED-Ed always answers questions i wondered about as a child
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Nice job. Projects like this one provide a lot of value for humanity !
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Imagine the workers from both the sides met with one worker standing a foot above the other. That would've been such an awkward handshake
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this will probably be in your youtube recommendations in a year or two
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Why does this remind me of digging in the snow banks at school?
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Anglo-French engineering produces some incredible feats when the two sides work together. Such collaborations produced icons such as Concorde, the Channel Tunnel and the Millau Viaduct.
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I love how such a challenging topic has been made interesting with fun graphics and animation. Perfect way to teach and engage at the same time !
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the construction workers who built this tunnel were very brave!! hope the ten who lost their lives rest in peace :(
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This seems to be a very impressive place, I hope I can visit sometime in the future when all this is over. Seeing and sharing places like this is why I love traveling and make videos so much! And please keep up the great job!
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I love getting informed on such random topics its kind of refreshing.
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It would have been good to hear more about the navigation technology that allowed it to work through the rock and water above, rather than just "satellite navigation"
