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this post was submitted on 30 Mar 2024
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chapotraphouse
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there's no way welding back together and straitening out a fat piece of metal would be faster or more efficient than melting the fucker & reforging it, is there? nevermind the safety i can't believe a team of welders reassembling metal jigsaws would beat the machined processes of a rolling mill
It would be hard to imagine a scenario where having a team trying to rehabilitate the damaged trusses and to (attempt to) get them to fit fairly narrow tolerances would be quicker than starting from scratch.
Not to shit on skilled labourers but I'd also expect this would demand a pretty uncommon skillset too - yeah, it might take at least a few weeks to get your new trusses forged and shipped to the location but are there really a dozen+ people with the right skills to be able to refurbish the current trusses who are currently unemployed and ready to fly out to Baltimore to start work tomorrow?
On top of all of that, I wonder if there are better construction methods available now that weren't at the time the bridge was constructed 50 years ago or if it would be considered viable to build something to meet the current infrastructure needs of the surrounding area - both possibilities would be ruled out if the only goal is to rebuild the exact same bridge asap using refurbished parts from the original bridge wherever possible.
It just seems so impractical from so many different angles and I'm not even close to being an expert on this.