Switzerland Built the World's Longest Tunnel
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- Опубликовано: 24 июл 2024
- It's a colossal project, costing over 12 billion euros, that has redrawn the map of Europe: the longest railway tunnel ever dug. Cutting through the geological mille-feuille of the St. Gotthard in the Swiss Alps, this interminable tunnel will bring Switzerland and Italy closer together via a high-speed rail line, and reduce truck traffic crossing the country by transferring part of road freight transport to rail. But the construction of this gigantic tunnel was a long and arduous process. In this latest episode of Looking 4, we take you deep into the Swiss Alps to discover the countless technical challenges that had to be overcome to accomplish this engineering feat.
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#construction #megarailway #tunnel
00:00 A 12 billion euro mega-tunnel
00:41 The advantages of the Gotthard Base Tunnel
02:21 The historic old Gotthard tunnel
02:53 Saving time with the high-speed line
03:24 How the base tunnel works
03:56 An ultra-secure tunnel
04:27 Technical challenge 1: Finding the right route
07:07 Building the tunnels and access shafts
08:51 Tunnel boring machine attack
09:48 Challenge 2: The Sedrun section
10:47 Challenge 3: Consolidating the railway tunnel vault
11:31 Building the railway installations
13:01 The threat of the Mont Cenis base tunnel
2023 Looking 4 (En) | All rights reserved.
I totally got absorbed in the video. It was really engaging and quality content.
Congratulations Switzerland! Y'all should be very proud of yourselfs. Very happy for you.
Get the Swiss to build high speed lines in Britain!
And the USA
Except this isn't >300km/h proper high speed rail, and it wasn't cheap.
Nope! The UK and USA are fully capable of building their own High Speed Rail networks. The problem remains politics.
The problem is everyone else wants to do it for cheap.
The Swiss are second to only Japan when it comes to railway and public teansport.
Yes, partually due to its suze, but as the japanese show, it works at any size.
I’m from the area of Sedrun, when the breakthrough happened we had an event in town.
Any project that can unite Europe with better infrastructure is welcome in my books! Well done... Meanwhile in Canada ______......
I couldn't agree more!
Hey, you leave Canada out of this!!😂😂
@@charliecliche6155Unfortunately, for some time Canada is out of everything!
Congratulations it's awesome and unbelievable
We should get them to build the new tunnels in NYC. I mean we take 11 years to build a 6 mile tunnel.
A Great Achievement 👍
Amazing ! Hope to see such tunnels in India too
Zojilla tunnel
"And reduces truck traffic crossing the country, by transfering part of it to rail."
Take out the'truck' part, and you have the solution to traffic in general.
Damn i bet the Swiss could build CAHSR way faster
the voice is back :)
Not to forget: as far as I know, Switzerland payed for this tunnel all by itself! The EU, although also highly benefitting form this tunnel, didn't pay anything at all.
Please correct me, if I'm wrong about this.
That's true so far, but the voters even said yes to it, which means that the project was not simply determined by the government but the people were behind the construction and its financing (from tax money).
I tried to do some quick research into the extent to which EU money had flowed in, but apart from one remark ("gift to the EU") I didn't find any clues. From what I know in our country, this should work out; you finance it yourself and decide about it yourself.
the Swiss also paid a part of the extension from two to four tracks on the Italian side, as it would never had startet otherwise like in Germany. the germans singed a contract in the 1990s telling they will upgrade basel-karslruhe tracks from two to four so it has enough capacity for the gothard base tunnel when it's done. shit is finally being built expected to be finish in 2042. 26 years after the base tunnel was finished.
Bonjour Looking 4 ! J'apprécierais vraiment que vous vérifiiez votre courrier électronique !
3:12 is another tunnel further west
Great video. One question: what did they do with all the excavated rock and earth?
afaik, Part of it was used for the production of the concrete that got used in the tunnel. The Rest got (or is still?) used for landscaping (mainly renaturation of a lake and artificial islands for wildlife - or simply put: dumped into a lake)
@@vampire4312 Thank you very much.
And unlike Germany, they will finish in time
In time and under budget it was.
I find this highly interesting. Apparently, there are no earth quakes expected in the Alps anymore.
I'm sure people have thought about it too, but whether above ground or below ground, above a certain level of strength (probably) no object built by man has enough resistance to the forces of nature.
Just as a note, here in Basel (Switzerland) buildings must be built to be “earthquake-proof” (according to the SIA 261 standard). This means that the building structure remains stable up to a certain intensity, at some point the limit is of course reached.
For one earthquakes are a rare thin in central europe. They do happen, bit not to infrastructure damaging levels 99.9% of the time.
And the other reason is, as with all mountain ranges, mountain ranges are very Very heavy. They are a literal mass dampener on earthquakes.
Just look at it this way.
California is known for earth quakes. But Arizona isnt.
Cause one is up against the Rockies, the other is in it.
@@ethribin4188 I never looked at it that way. The Alps as earthquake dampers. Wow. Thank you.
Is this an artificial voice?
Yes, it is.
It's called Gotthard Base Tunnel, not "Gotthard Bases Tunnel"
maybe some bad translation from the german "Gotthard Basis Tunnel"
It really doesnt look that long when it takes 15 mins and euro tunnel takes like 20-30 mins on also a high speed train
The difference between 140km/h and 200km/h
❤❤
Ceneri is pronounced tchenery
Wait for USBRL project in Jammu Kashmir India. 2024 March
Where is it? WHERE'S THE CURRY RICE?! 🍛
Amazing! How many lives cost this tunnel?
As far as I could quickly research, there were 9 of them. Too many, actually, but considering the complexity, let's say, a relatively low number.
During the construction of the first Gotthard railway tunnel (around 1882) there were 199 deaths over a length of around 15 km.
9 people died between 2000 and 2012 while working on its Construction
Strange time to release the video! Wasn't there a massive derailment in the tunnel a few months ago? 8 kilometers of track damaged and have to be replaced, and the tunnel remains closed in one direction until September next year? Also a safety gate was damaged in the crash, causing further problems equalizing pressure between the tunnels. Questioning to effectiveness of having no rescue tunnel like the Chunnel? I heard about it in the U.S., surely someone in Europe noticed?
Correct one tube is open while the other has to be repaired. A safety tube would not be any help. The tunnel was never designed as an passenger tunnel so as long as the tube is closed the passenger trains take the old route over the mountain.
a German freight wagons wheel broke. German train infrastructure is not in good shape. Quality and quality assurance have sharply declined for German trains the last 20 years. German quality assurance regarding freight trains have found to be inadequate by Switzerland after that accident. German freight wagons now have to document their safety much more when entering Switzerland. tho not much has changed in Germany itself, where the main problem lies.
Meanwhile Britain can't build HS2, ha ha ha!
Yea yea I know you have a chip on your shoulder about Britain. But given this started inthe 1990’s and took until 2016 even if you take your shoes off and use your toes, you can see as a minimum we are talking 20 years+. When did HS2 start?
@@xr6ladwe are building HS2 which is not under the highest mountain range in Europe. Crossrail took us 14 years from start to finish. The tunnels which were 42 km took that long. Tunnelling is a very difficult process. You have to make sure the tunneled structure doesn’t collapse on you risking lives. At this point we have to admit that the UK cannot even build a proper High Speed railway. Countries like Indonesia and India are now building HS lines with the help of China and Japan respectively and we cannot even afford to build a full stretch to Manchester and Leeds..
imagine a high speed line from central London to Aylesbury, completely underground 🤯
@@xr6lad Work started on Gotthard Base Tunnel in 1999 and was in operation in 2016 - *exactly as planned* and budgeted. To compare this with the work for HS2 is puerile: _"I can brush my teeth in five minutes, and you need _*_three_*_ hours to run a marathon?"_
A nuclear hideout you mean??
The only problem with road tunnel, vehicle accidents, breakdown, unforeseen fires
It's a rail tunnel..?
Even then, it can be remedied and preperations can ne made.
If youre not cheap about it!
And Switzerland isnt cheap when it comes to infrastructure safety.
The longest tunnel in the world is the Delaware Aqueduct with an original length of 137 km (85 miles).
It’s not a railway tunnel.
12 billion. thats half of germanys anual spending for immigrants. priorities....
Sorrry : can’t have cost £12 billion.you speaking in English, why not use £. And Switzerland doesn’t use € either. It used CHF (Swiss francs). And I’m assuming your not catering for non English speakers as your speaking English.
O dear me, how parochial!
Since when has the UK's medium of exchange become the sole currency that's syntactically permissible for usage in lingua franca English?
Huh? Pounds are only used in the UK, in the US, Aus, NZ and other major English speaking nations all use the dollar. The UK pound is also not a reserve currency (it may be a shock to you but the British Empire ended post WW1) and so it’s appropriate that the cost is quoted in either USD or Euro both of which are reserve currencies.
Agree he should have used CHF and said what that equals to in euro and dollars, but why pounds?
WEF underground headquarters #ShitYouCouldntMakeUp
I bet cern will play a huge part in these end times,no doubt!! They will usher in the Demons from hell!
lol 🤦♂
B2M clone?