Russia built the entire Kerch bridge in 3 years. China would rebuild this bridge in 3 months.
this post was submitted on 29 Mar 2024
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GenZedong
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Explain something to me, please, because I am unfamiliar with the locale. The bridge appears to have used a solid concrete strut and steel structure. The ship struck it at (reportedly) 15 kmh. And that was enough to collapse the whole thing. But how? There was a case in USSR of a ship hitting a bridge, and while the circumstances of the crash were different, the bridge itself is much smaller, yet stands to this day.
So why did it fold so (seemingly) easily?
That Soviet ship is 4000 tons, while this one have 115000 tons. Also from what i understand the Soviet ship hit the bridge with fairly light superstructure which got cut off. While this one here just rammed one of the central bridge support with energy enough for it to just crumble and half of the brigde fallen straight down because it lost support and the other half following soon after because losing the balance. It's clearly visible on this video, entire thing just crumpled like house of cards after the hit.
For comparison, photo of that accident in Ulyanovsk, you can clearly see the difference.
EDIT: i looked the Kuybyshev class of those ships and got a fun fact, out of 9 built, 7 are still in service and all under the old Soviet names.
Thanks!
I found a YouTube link in your comment. Here are links to the same video on alternative frontends that protect your privacy:
Burguer Americans say some shit like "anyone can build a bridge that stands, but only an engineer can build a bridge that barely stands". Cheaper is better right?
Honestly when I was in engineering school we where taught that we where suposed to build things that where JUST about to break (With the 10% safety margin inclided for code complance when applicable) and anything else would be wasteful over engineering
Youre ready to work at boeing, just forget about the safety margin
I guess when you give yourself regulitory approval the safety margon is waste
Keep in mind that the propaganda win here isn't that the bridge didn't survive being hit by a ship. It's that the work safety conditions, and this is on record the company that ran the port or the ship, I can't remember, the work conditions were so poor and the safety so poor and people so overworked that something like this was allowed to happen. And you tie that back in with the trained derailment and the continued overworking of the proletariat.
Well it directly hit the column, and this was a fully loaded container ship. I don't think any bridge would've survived that.
Hmm maybe I'm underestimating the size and mass of the ship in question
The ship is fucking
YUUUUUUUUUGE