Mississippi's Hidden Hazard! - Massive Engineering Mistakes - Engineering Documentary
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- เผยแพร่เมื่อ 8 เม.ย. 2024
- Dive into a gripping tale of engineering oversights with cracks of catastrophe in Massive Engineering Mistakes! Explore the harrowing Mississippi bridge crack, the terrifying rooftop parking collapse, and the undeniable risks of infrastructure aging. Witness how close calls and failures serve as wake-up calls for structural integrity worldwide.
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Massive Engineering Mistakes is a riveting series that explores the daunting realm of architectural blunders and engineering catastrophes. From gravity-defying towers on the brink of collapse to bridges built upside-down and airports slowly sinking into the sea, these ambitious missteps redefine the boundaries of scientific innovation. Yet amidst chaos, the genius of human ingenuity shines, crafting solutions as awe-inspiring as the disasters themselves. Unveiling the precarious balance between triumph and failure, this show offers a thrilling journey into the world of spectacular engineering errors and their extraordinary rectifications.
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Hydrogen embrittlement is not a “heat treatment” issue. It is caused by either water in the welding electrodes (which is why arc welding electrodes are stored in an oven) or, more rarely, radiation exposure. Heat treatment can however help by pushing SOME of the trapped hydrogen out. Prevention is however better than cure.
Heat treatment does however increase the grain size around the weld and make the weld more ductile and less susceptible to fracture propagation.
So you patched a failed weld, what investigations were there to check that others do not exist. Why not impart extra tension to the bridge by running cables through the tension beam. So much drama and little technical data. If it takes 4 minutes to drive over the bridge how come it took over two hours to clear it.
very true, still just 2 same old tie beams
Why did it take 2 hours to clear the bridge? Idea is to just block all the entry points. Stopping the traffic already on the bridge does not make any sense.
As a kid, I learnt you never use sea sand for building, because it contains salt. Hard to believe it isn't a regulation for commercial buildings. Someone took a cheap option & should be held accountable. Could you imagine what the UK's castles etc would look like if they had taken shortcuts?
1:24 "in big engineering, regular maintenance is just as cutting edge innovation"
Then, why maintenance personels are paid many times less than designers/officers? and about the same salary as(or less than) everyday taxi drivers
It's easy to spot the issue here, that why some problems in maintenance get neglected, as they are not treated as important and not given the resources to do the job properly, as these jobs often come with several layers contractors above,that do nothing except holding the contracts and waiting the profits to come in, while the maintenance personels are doing everyday field work
Well we are keeping going up in contraction but still lessons are not learn contraction have to be really really scrutinized before building commence and after finished need to be inspected very very regularly like every month not every year.
Mississippi's Eden Hazard!
Then some idiots send out 2 pilots instead of 2 tugs and a predictable fault like fuselage production in hillbilly country.. The whole world is laughing...Wait there is more: Miami, nothing learned, another bridge, then a luxury waterfront building, all preventable!!
Such a pity that the 40 year inspection mandate wasn't enough to safe the Champlain Towers South in Surfside😢
HOW did that contractor recive the contract for the BELMAWR bridge?
Brught down by the weight of the cars
It seems to me that there is no Welding on that bridge. It’s prefabbed and bolded together bolts everywhere millions of them can’t see one weld especially in the middle of a beam such as that one. I don’t think research into this has been done correctly by the presenter of this channel, so how can we trust anything else on his site is correct?
Tofu bridge 😅😅😅
What is the relation between music and a collapsing bridge ? Please be serious. It sounds like a commercial for soap.
Some of these "mistakes" are not Engineering mistakes at all. Often it has more to do with cheaper designs, cheaper maintenance and in regard to the bridge, that crack was found years before (by drone) but totally ignored. That is a management issue !
Yeah, negligence plays a bigger part in the situations than is acceptable. It really surprises me how often designs aren't stopped in the planning stages due to unsafe or inadequate designs.
LOL@This building was 40 years old!!
yea?? Buildings are supposed to be 40 years old. and 140 years old.. yea. even 240 or 340 years old. Can keep counting here, but its getting ridicueles
Its not that hard, buildings are supposed to last
I agree with your point, though often buildings/structures are only actually rated to last 100 years
Houses have a design life of fifty years. They need major repairs after that to remain standing (usually reroofing, recladding, replumbing and rewiring).
@@allangibson8494 Try n read what it is you have written.
Its pretty fun stuff tbh
@@martinwinther6013 When your roof leaks your house falls down. Ditto when your plumbing leaks.
When the insulation falls off the electrical wires (like the rubber insulation used before the 1950’s tended to do) your house burns down. (Prior to the 1920’s the wire simply wasn’t insulated - just nailed to the wooden joist’s).
So yes maintenance is needed to stop your house falling down.
A lot of Roman structures had an issue with falling down, that’s why they had laws on the subject. “Survivor Bias” is why people think past construction was better. The cheap crap fell down years ago.
Why do we have a structural engineer and a physicist talking about music? Who gives a crap.
You really gotta wonder who made that creative decision.