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re: Francis Scott Key Bridge in Baltimore has collapsed - container ship wrecked into it

Posted on 3/26/24 at 3:54 pm to
Posted by blueboy
Member since Apr 2006
60466 posts
Posted on 3/26/24 at 3:54 pm to
frickin' Mothman.
Posted by LouisianaLady
Member since Mar 2009
82218 posts
Posted on 3/26/24 at 3:56 pm to
To be fair, it's not like we have a Tigerdroppings "What do you do for a living?" intro to the site.
Posted by The Mick
Member since Oct 2010
44437 posts
Posted on 3/26/24 at 4:00 pm to
quote:

Adding to what Jones has correctly said throughout this thread, cavitation and hydrodynamic inefficiency limits the props ability to fully reverse ship's direction in a rapid fashion. During sea trials it's an exercise called "crash astern" and for a ship that size, one to two nautical miles to come dead in the water from 10 knots would be excellent performance.

They don't have controllable pitch props which are fairly complex mechanical-hydraulic maintenance monsters. Container ships, while huge, are built for simplicity to go in one direction, forward.

Modern large cruise ships use 360 degree Azipod propulsion along with bow thrusters, far more maneuverable to avoid having to use tugs at ports of call for (when possible) docking and departure.
I spy a Naval Architect among us.
Posted by FleurDeLonestar
The Dirty HOU
Member since Mar 2011
6218 posts
Posted on 3/26/24 at 4:02 pm to
It’s unprecedented for a major port, I don’t think that’s an overblown statement at all. There’s the equipment that’s currently stuck in harbor (who’s losing money here depends on type of charter for all equipment) plus the additional cost of goods waiting to come in, or being rerouted and requiring another mode of transportation to reach their destination. There’s the intangible lost time and/or productivity for the local work force due to extended commutes. There’s a long term cost of the harbor being shut down to rebuild the bridge however long it takes, though they’ll probably have to open and close the channel to keep commerce going. The litigation coming from this will set legal precedent going forward, which is what I’m interested in. Because anybody that’s losing money right now will be filing a lawsuit.
Posted by Sao
East Texas Piney Woods
Member since Jun 2009
68123 posts
Posted on 3/26/24 at 4:03 pm to
quote:

just gotta say... I don't know what any of that means... but it sounds darn impressive.

I too, just read w a puppy dog head cock when he articulates ideas from time to time. Obtuse is a pretty sharp one
Posted by olddawg26
Member since Jan 2013
25483 posts
Posted on 3/26/24 at 4:06 pm to
quote:

Jones


Me suspects you have a pilot license or are paying attention extremely well on the bridge if you’re a mate
Posted by FleurDeLonestar
The Dirty HOU
Member since Mar 2011
6218 posts
Posted on 3/26/24 at 4:09 pm to
I can vouch for Jones’s attendance at a maritime academy.
Posted by Thracken13
Aft Cargo Hold of Serenity
Member since Feb 2010
18180 posts
Posted on 3/26/24 at 4:09 pm to
Chesapeake Bay Bridge

dear god if it had clipped that bridge, that would have been way worse.
Posted by nvasil1
Hellinois
Member since Oct 2009
16879 posts
Posted on 3/26/24 at 4:16 pm to
quote:

Social media has rotten people’s brains, especially Twitter, with everything is a conspiracy posts.

Hell, two boomers in my office are convinced it was intentional.

Social media is a problem, but that's symptomatic of the government and media not having a good batting average with the truth lately.

People have been conditioned to be cynical about everything they tell us.
Posted by NYNolaguy1
Member since May 2011
21445 posts
Posted on 3/26/24 at 4:22 pm to
Yeah, I see what you mean. It's like a seesaw with an uneven load where it lifts off the bearing on the right hand side(next to concrete roadway) only to crash back down.

I would make a bet that right hand side bearing wasn't holding a large % of the overall load with most of it going to the two supports under the two edges of the main span.

I will be very interested in the report(s) once it comes out.
Posted by Xignals
Pits of Hell
Member since Nov 2013
1475 posts
Posted on 3/26/24 at 4:25 pm to
Do these large vessels have black boxes?
Posted by olddawg26
Member since Jan 2013
25483 posts
Posted on 3/26/24 at 4:27 pm to
Kinda. Everything that’s moved on the telegraph is recorded by the engine room and typically written down by someone on the bridge. Some newer vessels have video recording but most all have VDR’s positioned inside and outside the bridge to record all the commands given.
Posted by SteelerBravesDawg
Member since Sep 2020
43337 posts
Posted on 3/26/24 at 4:31 pm to
quote:

Bomb. No way entire bridge would collapse off a cargo ship that’s lost power
My guess is whatever red head from a prominant Maryland family was the ports chief of staff and helped cooridnated it

Jesus Christ.

This post was edited on 3/26/24 at 4:40 pm
Posted by YNWA
Member since Nov 2015
7068 posts
Posted on 3/26/24 at 4:42 pm to
quote:

quote:
Bomb. No way entire bridge would collapse off a cargo ship that’s lost power
My guess is whatever red head from a prominant Maryland family was the ports chief of staff and helped cooridnated it


Jesus Christ.


It's a "continuous truss bridge". An engineer was on BBC News and described the design and why it collapsed like it did. Plus people don't realize the weight of that ship.
Posted by Swagga
504
Member since Dec 2009
17430 posts
Posted on 3/26/24 at 4:45 pm to
quote:

If not sooner. Whoever said 2 years or whatever was being... well... I gotta think that was just a knee-jerk reaction to something that had just happened.



It was MrLSU. If you’re not familiar with his post history, it’s mainly just make things up and see if it sticks.
Posted by Landmass
Premium Member
Member since Jun 2013
21187 posts
Posted on 3/26/24 at 4:49 pm to
I'm surprised that they didn't have pylons protecting that footing. That would have saved some lives.
Posted by BrotherEsau
Member since Aug 2011
3563 posts
Posted on 3/26/24 at 4:57 pm to
quote:

Because anybody that’s losing money right now will be filing a lawsuit.


And many of them will be very disappointed to learn that, under maritime law, if you do not have a proprietary interest in damaged property, you cannot recover purely economic damages. It doesn't matter how long your ship sits there, or your dock is unused, or how much you spent because of this accident - if you don't have physical damage to your property, you don't recover.
Posted by genuineLSUtiger
Nashville
Member since Sep 2005
75844 posts
Posted on 3/26/24 at 4:57 pm to
I know there’s something going on.
Posted by fr33manator
Baton Rouge
Member since Oct 2010
130390 posts
Posted on 3/26/24 at 4:59 pm to
quote:

That would have saved some lives.



Did we ever nail down how man casualties there were ? I'm hoping it's a low number. What about that work crew?
Posted by Sao
East Texas Piney Woods
Member since Jun 2009
68123 posts
Posted on 3/26/24 at 5:02 pm to
quote:

What about that work crew?

The surface work crew was comprised of 18 Mexican asylum seekers and 2 boss men.
This post was edited on 3/26/24 at 5:12 pm
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