I think I said way above that the CNN structural engineer said that. He based it on watching the video over and over. He said the entire upper structure was initially intact and started collapsing at the bottom, so he surmised a column failure...
Apartment Building Collapsed Near Miami
- Thread starter NationalTitles18
- Start date
It depends on the failure mode. If the concrete had spalled due to corrosion and the column stirrups rusted out losing confinement on the verticals, then most likely, it would be a sudden, brittle failure. What we saw was a sudden, brittle failure which is also why my first knee jerk reaction was punching shear.
Question Isn't there a parking garage one or two levels below grade? If that is the case this would be where ingress of water, possible even brackish water, would create the structural issues discussed in the articles.Every mention of the pool is along with mention of the entrance drive, so the location is not evident.
Pretty shoddy repair where they injected epoxy and didn't bother to take the ports out or smooth it.
EDIT looks like the pool is at grade
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There was underground parking, as indicated on the graphic towards the bottom of the article (would have pasted the graphic, but the labels were overlaid on the graphic). There had been reports that the bottom of the swimming pool was leaking, which could have contributed to the spalling.
Possible Failure Point Emerges in Miami-Area Building Collapse (Published 2021)
Some engineers looking at the failure of a 13-story condo tower in Florida said the collapse appeared to have begun somewhere near the bottom of the building.
Let me rephrase - There would not be parking below grade there unless the designers were idiotsThere was underground parking, as indicated on the graphic towards the bottom of the article (would have pasted the graphic, but the labels were overlaid on the graphic). There had been reports that the bottom of the swimming pool was leaking, which could have contributed to the spalling.
Possible Failure Point Emerges in Miami-Area Building Collapse (Published 2021)
Some engineers looking at the failure of a 13-story condo tower in Florida said the collapse appeared to have begun somewhere near the bottom of the building.www.nytimes.com
Yes I am assuming. How would you keep it dewatered? Natural grade is maybe 3-5 feet above the ocean.
Developers of doomed Fla. tower were once accused of paying off officials: report
The developers of the Miami condo tower that collapsed were once accused of paying off local officials to get permits for the site — which needed $15 million in repairs just to bring it to co…
nypost.com
Things get designed and built with higher water tables than the lowest floor level really frequently.
Here the graphic you mentionedThere was underground parking, as indicated on the graphic towards the bottom of the article (would have pasted the graphic, but the labels were overlaid on the graphic). There had been reports that the bottom of the swimming pool was leaking, which could have contributed to the spalling.
Possible Failure Point Emerges in Miami-Area Building Collapse (Published 2021)
Some engineers looking at the failure of a 13-story condo tower in Florida said the collapse appeared to have begun somewhere near the bottom of the building.
And here's a picture of the building
What they're calling below ground parking is below the pool deck. And the way it slopes from the street towards the beach, it looks like the edge of the deck on the beach side is above grade, so that maybe it isn't a full-on below grade parking area.
Since it's at the beach, you'd probably design around +10' or more due to storm surge conditions.
Miami condo collapse: Woman told husband on phone she saw pool cave in before building fell, report says | Fox News
Cassie Stratton, 40, among those still unaccounted for Monday
www.foxnews.com
I grew up in Cocoa Beach on the barrier island Cape Canaveral and Patrick SFB are on. Back then, the tallest building was a 10-story office building. Our house (about 1/4 mile from the Atlantic) was on a slab, but I don't know what was underneath the slab. (It was 1963 and I was 8.) Back then, nothing was built tall and almost everything was one-story with an occasional two-story. Definitely not the case there today.
So the pool deck collapses and the beams in the pool deck pull on the columns they're attached to on the main structure? But the pool is closer to the section of the building that came down second.Miami condo collapse: Woman told husband on phone she saw pool cave in before building fell, report says | Fox News
Cassie Stratton, 40, among those still unaccounted for Monday
Miami-Area Condo That Collapsed Skirted Local Codes With Penthouse
The addition of another floor increased the building’s height by about 9 feet, putting the tower slightly above the town’s legal height ordinance at the time.
www.wsj.com
That doesn't mean it had anything to do with this. Lots of the stuff flying around that people are reacting to are just strongly worded statements that they assume is a cause. The media is just piling on any nitpicky thing now.Miami-Area Condo That Collapsed Skirted Local Codes With Penthouse
The addition of another floor increased the building’s height by about 9 feet, putting the tower slightly above the town’s legal height ordinance at the time.
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