How the Key Bridge crash happened
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- Опубліковано 27 кві 2024
- Baltimore's Francis Scott Key Bridge collapsed after a massive cargo ship struck one of its support columns. Kris Van Cleave takes a look at how such a crash could happen.
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What the heck is an allision?
An allision is when a mobile vessel hits a stationary object.
My thoughts exactly 😅
Looks like whoever wrote the headline had a stroke.
I learned a word today. It wasnt a typo designed to farm rage comments! Or maybe it conveniently does both! Either way I learned an allision is to strike or dash against a stationary object.
*Neat!*
@@corneliusrupert7354😂😂😂😂
For those asking, an allision is a maritime law term that describes when a moving vessel collides with a stationary object.
Well here’s goes another 15 years cap of building another bridge 🙄
Always a good idea to have your windows of your car down when you go over water.
That truck driver barley made it
i bet he had a nice beer once he got off shift
Nothing here about the lack of fenders to protect the main pylons, not even from engineer Schafer.
Look like history repeating itself again 😬 😏
Fenders would certainly help. But with the weight and momentum of the ship. It still could have taken out the bridge. Though at least there would have been a better chance of stopping such a terrible event from happening
Yep.
And no mention of why there were no requirements to have at least two tugboats attached to any large ship during its passage near the bridge.
yep u got it!!!!!!!!!!!!!!!!!!!!!! ONE person with a brain or make it two Mayday Mayday USA needs help!
He didn't have to mention it after he said there is no build that would have been able to sustain that impact.
Allision is a maritime term that describes when a moving vessel collides with a stationary object, such as a pier or an anchored ship.
Yep, we have google too!
Well dang. I learned a new word today. I thought "allision" was a typo or something.
The smoke is not a generator, it's the ship's massive engine running full throttle in reverse.
It was a diesel generator at full throttle....hence the Black smoke.
At this time of moment I just feel bad for those towns folks. They have to wait another 15 years into the future, to build up a new bridge
@@problactive285looks like it could have been a fuel supply issue as the smoke cut out and the generators supply power to the boat and the engines the ship more than likely has multiple fuel holdings and depending on their setup could of burned whichever one they were running off of dry before transferring of fuel happened or valves were shifted to change supply tanks
Yes. How did this "allision" happen.
Allision is a real word. Meaning to strike or brush up upon. Google exists, yknow.
I learned this word today, thinking it was a purposeful typo to farm engagement lmao
@vaqal3140 Oh, you misunderstood my quotes. But I'm glad to see genuine intelligence on here. Kudos.
Thank you for using the correct word for a moving item running into a stationary one.
lol well that’s the first time I’ve ever heard that term.
Where was the Mothman
Bulgaria
Ukraine
People died
In the white house eating ice cream.
Allision means one object was moving and one was not when a collision occurred
I just got schooled
Learned something new today! Thank you!
Google is a great resource
Safety is not cheap and these shipping companies have hundreds of millions of documents showing their lack of safety. Especially those of foreign nations. Leased and sub-leased to the point people lose track of the actual owners of the ships. It's going to be years before families receive any retributions for their loss. There needs to be a war on incompetence that goes after the owners and contractors, not the crew. Most crews often are held hostage with threat of deportation to foreign nations of whatever port they are in. Most don't even have documentation. It's a scary deep rabbit hole of abuse.
Yeah, I remember it was a very uncomfortable situation for the crew of the Evergreen when it got stuck in the Suez Canal. I don't think they were allowed to disembark for quite some time.
Why have we not heard from the Captain and crew?
Break out the flying cars people
This bridge is of a very amazing design, it did not have support guards. And therefore the container ship hit the bridge support (due to the breakdown of the energy system ... lost control), and not the support guard.
A sign of intelligence is someone looking up a definition to a term/word they don't know instead of assuming and insulting the source for using proper English. Assumption starts with those first three letters for a reason. These comments are intellectually insulting.
If they had been pointed in the right direction it would have continued on that path. Why was it aimed towards the bridge column?
The ship suffered a catastrophic power failure, which killed the steering. Power came back on, they were able to reverse the engine really hard, which unfortunately pulled the ship to starboard. The black smoke is from the reversed engine. They tried to slow down, only to be pulled in the worst direction right into the bridge pillar. The port anchor was dropped while power was out, but it didn't help.
The rudder is stuck in its last position after a power failure.
@@CricketsBayeven if it was wouldn’t it be stuck straight? I was on several cruise ships that went under bridges and they never approached the bridge at an angle. It was always straight on underneath in the middle of the span.
😢 what a tragedy 😢 prayers for the victims and there families 😢
The running of one ship upon another ship or object that is stationary. Distinguished from collision.
Out of all of the places that ship could've steered it steered right into that bridge's support...
That's what I said
Looks like everyone learned a new vocabulary word today. In all seriousness though this is absolutely terrible
He was not in the middle. He was heading for that support.
Oh wow, this CBS propellerhead staffer has been waiting his WHOLE career to finally use that in a headline!
Now can retire at last, with a satisfied feeling …
@@alexadao8852 An allision occurs when a moving object (such as a vessel) collides with a stationary object (such as a bridge fender).
Or just educated.
@@alexadao8852 Derpa derpa
This is why, as an older man, I STILL don't trust all these electronics and computer technology. Whether it's cars, airplanes or ships. Even after the Titanic lost it's electric generators, they could still steer the thing if they so chose. They should at least have an old school rudder and ships wheel set up for emergency use.
Yea, I remember that bridge accident in Florida back in '80 too. It was big news at the time because back then, those things hardly ever happened.
It was a power failure causing a steering failure. I do not think previous propulsion system failure has anything to do with this event. Port authority should have mandated tug boat escort for a unprotected bridge like this.
I didn't see any vehicles on the bridge passing by at point of destruction
There are other videos that show them. do a search
There are at least four. Look to the right, and you'll see headlights. Edit to say: I looked like vehicles, but the report I read was they'd stopped traffic in time, and it was only roas crew left on the bridge.
@@bwabwa8810those were construction vehicles. It appears the bridge's two approaches were closed to traffic shortly before the collision thanks to the Dali's mayday call (yay, they did one thing right), so the deaths were limited to the construction workers fixing potholes.
Where was the guide ship or the tug boats that are usually/required to be used?
It had already been put underway by that point. The tugs are for initial port movement in an out.
Check out these dudes....breaking out the thesaurus like "allision" is in anyone's vernacular. LOL
Vernacular? What's that😊
Why were no barriers protecting the bridge. I didnt know they had bridges without protection islands and piling
Prayers for the victims and their families😢
What does it matter if a ship loses power when they have pilots and tugboats negotiating these vessels through our harbors? Were these tugboat operators asleep or what? We certainly can’t have foreign vessels just pull into our harbors without pilot vessels.
Did they seriously have no requirement to have at least two tugboats attached to any large ship during its passage near the bridge?
Why did they edit the approach of the ship. You can clearly see it turned to hit the support column. There is no explanation that can justify why it turned hard right, while under power and seemed to target the ONLY thing it could have possibly hit.
As stated in the video, the ship was not under power from the point where its lights went out onwards. There's been a good video put together by What's Going On In Shipping on the play-by-play of what happened, but I'll summarize.
When the Dali lost power, it lost the ability to maintain its course against other elements acting on it. The main ones in Baltimore Harbor are currents and wind -- currents wouldn't have been a huge factor here, but the wind _was._ A ship that large, loaded up with containers, has a massive amount of surface area for the wind to act on, and it was pushed by fractional degrees over and out of the ship channel.
The reason it looks like the thing turned hard right is because this footage of the approach has been chopped up for the sake of fitting into a two minute news broadcast. Based on the GPS ship positioning data, the actual approach of the ship took quite a few minutes and its turn was more gradual than it looks here. However, a ship that large can't bleed momentum fast enough to come to a stop before reaching the bridge, and being pushed over by the wind didn't actually slow it down enough. It was only moving at about two MPH when it hit the bridge, but a fully loaded ship like that weighs two hundred thousand tons -- probably more than the entire truss span weighed. Any amount of motion was putting force on the bridge it couldn't withstand.
Where’s the tug boats?
@@alexadao8852 up here the tugs guide em in all the way with a pilot ship too.
Those poor people and their families had no clue what was gonna happen today...
The Allison... a giant ship with no control.
As noted -- We already pretty much went through this waaay back in 1980 when a very similar thing happened with the *Sunshine Skyway Bridge* across Tampa Bay was destroyed.
It seems hard to believe that, 40 years later, pretty much any significant bridge does not have suitable protective berms for their main supports.
I mean, it isn't something that everyone can afford to protect right away, but it is absurd that, in the course of 40y, some remedial efforts in this regard would not be performed on all major bridges, to prevent that kind of accident from happening again.
"It's happened before"? Who the hell cares? After the SSB went down, there were protective and deflective berms built at the base of the main supports for the replacement. It would be, at the very least, *MUCH* more difficult for a wayward ship to take down the replacement *Sunshine Skyway Bridge* -- That this had not been done here, as well as anywhere else, is rather indicative of generational negligence. You might not want to go to the full expense that FL went to to protect the SSB, the fact is that there ought to be some protective berms designed to deflect almost any collision, even at the cost of sinking the out of control ship, and the lack of these is hard to believe.
*And you can bet that terrorists out there are noting this, even if it was a complete accident. You can presume they will try and make it happen intentionally in the future.*
No matter how, anyone puts its, its an absolutely HORRIBLE HORRIBLE situation and Tragedy, that DIDN'T NEED TO HAPPEN. 😪😪😪😪🤬🤬🤬🤬
I'm suspicious if hacking could've taken place onboard, or sabotage.
Why do we inspect these ships, planes, and trains AFTER a problem?????????????????????????
I hope my Temu order isn't on that cargo ship.
Too soon for jokes
That was some allision
This is crazy 😮
The bridge was not built to withstand a hit from a massive ship
Where are the tug boats?
it had already been put underway by that point. The tugs are for initial port movement in an out.
Yes, where were requirements to have at least two tugboats attached to any large ship during its passage near the bridge.
@@2Truth4Liberty uh, excuse me, that's like an extra $5k. have you thought of the shareholders? sheesh.
@@djentlegiant739
The boat owners pay for tug service, not the State. The State just enacts regulation requiring it.of shipping companies.
As far as shareholder in boat ownership, that is part of doing business.
I've traveled over this bridge several times.
wow, me too. trippy.
Back to Allison in the studio.
Another Allision?! Not again😢
Yes, another. This is the cargo ship Dali, which had 2 previous accidents.
Word of the day, kids.
THATS BULL! WHY EVEN BE HEADED IN DIRECTION OF THE PILLARS INSTEAD OF THE CENTER OF THE BRIDGE HIGHEST POINT? THIS CANNOT HAPPEN UNLESS INTENTIONALLY OR LACK OF ATTENTION!
Allison ? Is CBS trying to tell someone something?
An allision occurs when a moving object (such as a vessel) collides with a stationary object (such as a bridge fender).
I ordered some stuff and i hasn't come yet. I'm worried it's on that ship. Can I just go pick it up there?
I'm more worried about the people that were on that bridge..
cbs, how did it happen?
Omg, they lost power. If you would watch maybe you could learn something. Don't just pause the video and comment.
my only question is why did the left span break in half and not just drop off the support like the others did. I mean even the main large center span pretty much fell flat down but that left side def failed a lot worse then the rest of it. look at 1:11 to about 1:13
I mean regardless the bridge was going to come down no matter what but I wonder if that left span had some structural or a design issue for it to failed that way I mean heck it was the first section that hit the water. I would think the much larger center span would been the first part to fail.
Wonder how long the NTSB going to take to do failure simulations on this.
So, admittedly, I am NOT a structural engineer. But based on the huge amount of information that's been poured out there already that I've been taking in, the FSK Bridge was a _continuous_ span truss bridge, meaning there was no left and right span per se -- the entire central truss was effectively one big arch. And if you look at about the middle of the bridge at the same moment, you can see a similar kink in the deck there.
So based on my own more basic knowledge of engineering and that information, you get something that goes like this. When the support of the left (south) pillar is removed, the area directly held up by the pillar immediately drops, but the parts attached to the right (north) pillar and the concrete approach on the left side are still in place and exert force for a fraction of a second longer to try and hold their parts up. So the big arch buckles roughly equidistant between the middle and those remaining points of support -- both the "left span" and the "center span" roughly snap in half. The right side of the center span takes moments longer because it's got more distance to fall.
That part of the bridge then fully topples, but because the whole thing is one giant arch, the right (north) portion is now grossly unbalanced, having had the weight of the rest of it holding it down towards the center. With that weight now gone as the "center span" tears off, it shifts suddenly and massively to the point where the right truss span connects with the concrete approach on the right side, like how if you take your hand off an unbalanced seesaw it'll slam down away from you. That rips the right truss span off the concrete approach down into the water, leaving the part directly above the right pillar as the last to go.
Now, as stated before, I am NOT an expert in the field, I'm basically a layman. I also have no doubt the NTSB is going to be thoroughly going over this in minute detail. But based on what I do know, I don't think there was a design problem specifically with the left span. Rather, it's that the design fools you into thinking there IS a left span, when in fact it's effectively all one giant span, carefully balanced on four points of support.
@@InchonDM yeah I agree its why it didnt make sense and I know its a continous span I was just using the support point as a reference point thats all.
I wasnt being literal sorry if there was confusion there. Like I said the center did not fold, the left side did... why? it clearly falls way ahead of the rest of it. why did not the support point go first is all I am questioning.
Again I def plan on watching what the NTSB simulations will show.
I only brought this up because when I talked to my brother who is a structural engineer said that it looked odd also.
At least Im not like some of these people crying foul about the supposed 'explosions' on top of the bridge due to the electrical aircraft anti-collision light system arcing out as it was ripped apart.
@@CinncinnatusAnd this welter of people who insist that the ship was deliberately aimed at the support pier, because bad things can't just happen, apparently. Hopefully I didn't come across as lumping you in with them.
Ship is 9 years old.
It is. And it's been in 2 accidents previously.
Eclipse made tide higher
Does anyone remember the movie IRobot last scene movie?! quiet similar right? on the movie was Michigan's bridge 🤷♂️
You can see the ch@rges going off on the bridge in the video. That looked like some type of thurr-might being used. That ship would not have made that bridge collapse like that. No way.
Who is Allison?
Look it up dude. Why would you comment when you can easily look it up?
power failure? aight.
What is an "allision" ?
An allision occurs when a moving object (such as a vessel) collides with a stationary object (such as a bridge fender).
ありがとうございます。@@andreww2925
How does the power go out? Because it does. How does the power go out for any thing? Lol
Really what are the odds 2 structures that much space, it gets hit dead on smh. Nobody is stupid,
Ship maintenance guys right now 🥺👉👈😮
Im pretty sure they mean to say “Alison” the name of person responsible
An allision occurs when a moving object (such as a vessel) collides with a stationary object (such as a bridge fender).
Alison did it.
Allision? Really?
ahhh my amazon package!!
SUMMIT VENTURE 1980 600 FT SHIP
PHOSPATE CARRIER
NOW SHIPS ARE 3 TMES BIGGER
in before they change 'allision' to 'collision'
They won't because it is the correct term
Axx, What is happening in the world 🤧🤒
A ship that lost power.....
@@wgooetrik I mean everything in general
a -> co
allison -> collision
Why not just use the word collision?
Why is there not tugboat all ways there when gaint ships go under these bridges that should be a must
Yes! Did they seriously have no requirement to have at least two tugboats attached to any large ship during its passage near the bridge?
OMG, an ALLISION?????
Collision?
You think the would go slower when approaching sad this should not happen
I don't think this is an accident. Check the name of the ship. Who really owns or controls this ship.
A guy named Salvador owns the ship. Rumor is he's a hipster/artist type.
Here comes the conspiracy theories.
CBS cares.
Oh, say can you see…
Allision? About what to expect from cbs
CBS is correct. When an accident involves a marine vessel, it is referred to as an 'allision' instead of a 'collision' (don't ask me why).
yep
An allision occurs when a moving object (such as a vessel) collides with a stationary object (such as a bridge fender).
its obsolete, like common sense and tolerance
Chatgp?
is bro ed? cant u just unbuckle in the water 💀
Tugboats?
I mean, did they seriously have no requirement to have at least two tugboats attached to any large ship during its passage near the bridge?
Club Shay Shay did it
Not enough Diversity and Inclusion running these ships
That is always the problem
Where are the tug boats I thought tug boats were out there to bring the ships in
The ship was leaving the port.
Yes. Did they seriously have no requirement to have at least two tugboats attached to any large ship during its passage near the bridge?
@@2Truth4Liberty Tug boats are meant to guide ships into and out of docking positions. They cannot control a ship that size doing 8 knots while leaving the port.
@@id10t98
You limit speed and tug requirements by law. And then tugs are required - unless the boat owner wants to face huge fines.
Boats fault
Where was the pilot ships to avoid this something rotten here
*collision Do you all not have any kind of proof readers over there!?!?
An allision occurs when a moving object (such as a vessel) collides with a stationary object (such as a bridge fender).
@andreww2925 well, looks like I learned something today.
I absolutely stand corrected. Learned a lil something today! 🤘
wheres the 2 TRILLION dollars infrastructure money that buttebut misspent
Bridge was built by my toddler. Damn legos just can't stand up against barges.
Did AI write this headline? Damn just pay someone to do some proofreading alright? Thank you.
EDIT: So I stand corrected, and not read enough about maritime accidents.
Please use language the lay person recognizes so we don’t have to out our maritime ignorance.
read the comments before commenting. Because I just learned that an allision is a maritime term meaning when a moving vessel hits a non moving object.....like a ship ramming into a bridge.
Forget a new bridge, call Elon Musk and ask him to bore a tunnel.
He does know more about manufacturing than anyone on earth. Just ask him and he will tell you.
...........allision?.........
An allision occurs when a moving object (such as a vessel) collides with a stationary object (such as a bridge fender).
Diddy do it?
Collision
😢 This is so so scary and sad.
You never know when it will be your turn to go.
When we walk away from our old life and turn to Yeshua/Jesus we no longer have a fear of death because we are safe in His arms. Death for those who trust in Him is not eternal!
If you want to be free from the fear of death. Just talk to Him. It is written, ANYONE who calls on the Name of the Lord, WILL be saved!
As long as you have breathe in your lungs, it’s not too late.
And there is no sin that can keep you from having a relationship with our loving Heavenly Father.
He wants to free you from your heaviness, hopelessness and your fear.
He LOVES you!💕
Propaganda, that no bridge could have withstood the impact. The real truth is the collision could have been avoided by the presence of underwater stanchion protection.
Or they could simply ban boats from coming into the port. That will solve it.
Did they seriously have no requirement to have at least two tugboats attached to any large ship during its passage near the bridge?