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Miami condo collapse
Happened about 30 minutes ago, so most people were sleeping. :eek:
https://www.washingtonpost.com/nation/2021/06/24/surfside-building-collapse-miami-dade/ Quote:
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I suspect combination of post tension cables, spalling concrete.
I was an owner in a condo association in the fl keys, other owners fought engineer reports and repairs for years claiming the issues were just cosmetic, until 1 of the balconies was failing and the local building department threatened to pull the CO for the whole complex. Deferring maintenance turned it into an 8 million dollar repair project. |
Godspeed to anyone trapped in that mess...possibly a sinkhole ?
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Post tension buildings are up and down the beaches in Florida. Tough environment. This won't be the last collapse.
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The entire condo did not collapse.....only one side.
1 confirmed dead - 10 treated for injuries, so far. https://images.foxtv.com/static.fox3....jpg?ve=1&tl=1 |
Just about very single ocean front codo building here has gone through restoration due to corrosion of the rebar inside the concrete from the sea air.
I don't know if this was a factor in this incident. But in looking at the photos - those balconies are the parts that are typically affected. There's usually plenty of advanced warning signs so a condo building doesn't just fall apart before restoration work can be arranged. Article mentioned roof work was being done when this happened. No idea here. Guess we'll find out...... |
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http://forums.pelicanparts.com/uploa...1624537421.jpg |
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Very sad situation. Considering what was 12 stories is now less than 1 story tall, I can't imagine anyone inside the collapsed part of the building is alive.
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Damn, that looks like a bomb went off.
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A much more caustic environment but I did a chiller replacement job in a hospital where the existing absorption chillers used lithium bromide as the refrigerant. The chillers were poorly maintained and had been leaking for years, more likely decades.
When we saw signs of concrete decay under them, we started investigating. While probing the concrete directly under one of the chillers, the crowbar punched right through the 8” concrete slab under it’s own weight. When we finished removing the decayed concrete, there was a 30’ x 40’ hole before we got to something we could build back on. We sometimes take concrete for granted but it’s not the forever material we often think it to be. Much older concrete that was made before the science was well understood was often over designed. These newer buildings constructed on the cheap and poorly maintained that went up when the science was understood by the designers, allowing more efficient designs but the skill not available in the workers are worrisome. Sent from my iPhone using Tapatalk |
CCTV of the condo collapse. It was half the building!
https://twitter.com/catturd2/status/1408056149677576196 |
They will most likely find that cracks in the concrete balconies allowed water intrusion and rust to develop on the rebar and/or post tension cables. Lack of proper maintenance. Lawyers are circling I'm sure.
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Wow, that is something I would only expect to see in a strong earthquake or in some third world country.
I bet there will be a LOT of building inspections in Florida starting today. That video is just scary. I can't imagine the terror of hearing the building collapse next to you. I assume the building next door has been evacuated. |
"The collapse has left at least one person dead—though authorities are expecting far more fatalities. A huge rescue operation is underway with at least 35 people pulled alive from the rubble and 12 reported injuries. Some 51 people remain unaccounted for, Miami-Dade County Commissioner Sally Heyman told CNN."
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If only one person died in that, it would be a miracle. Unless it was unoccupied. Sad situation.
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