Surfside, Florida Condo Building Collapse
New thread for all discussion regarding the tragic condominium tower collapse in Surfside, Florida on June 24, 2021.
If thread should be located in Buildings & Architecture sub-section, mods please move. |
I rekon it is an engineering post.
Also, check out this footage... insane. Let's hope for a miracle here. https://www.cnn.com/videos/us/2021/0...llapse-vpx.cnn |
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If the part that collapsed matches the other side, then what collapsed was supported by only 3 columns over an open parking garage area. If one of those columns failed, then the remaining columns overloaded failed, then there was absolutely nothing to hold up all those floors.
That entire building has to come down now. Edit: Guys, this is really bad. From the initial reports, it looked like only a small side of the building collapsed, one edge. But looking at the streetview here, the ENTIRE building along the length of the pool is straight up gone and pancaked. And that wasn't just 3 columns. This is a massive structural failure. https://www.google.com/maps/@25.8725...2!8i6656?hl=en "More than 130 units and about half of those have collapsed". |
It collapsed in the middle first and then a part that was left standing collapsed. It all fell into its own footprint, like a controlled demolition. I don't know how this could have happened with the safety factor a building should have.
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My first thought was sinkhole.
If it's geologic, the consequences for South Florida will be incomprehensible. |
Quote:
Original paper: https://faculty.fiu.edu/~swdowins/pu...i-OCM-2020.pdf Article: https://news.yahoo.com/collapsed-mia...181026431.html Collapsed Miami condo had been sinking into Earth as early as the 1990s, researchers say Quote:
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Go three buildings north and there is another one of theses buildings. Same terraces and building footprint. You can see the same roofline on Google aerial view.
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The limited evidence we have points to a geological problem at the site rather than a design flaw. The sister building may not necessarily be in danger.
That said, the building stood for 40 years with no significant issues, so there must have been some kind of triggering event. |
Exactly.
I suspect a geotechnical/soils/water table issue. |
Should this thread be moved to City Discussions then?
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It's very much appropriate here.
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After we pause for the missing and lost of life, this is a geotechnical or/and a structural engineering discussion for the armchair engineers.
Maybe even some professional observations. I am definitely interested in knowing what happen here. |
It's very tragic what happen for those who were trapped inside. I hope they find more survivors. Many years ago I once worked and lived in some of the highrise buildings further north of there. It was part of my job to report any maintenance issues while walking the floors and garage levels (they have to be checked daily using a check list system). Some of these buildings are pretty old and will have to be maintained on a consistent basis (from electrical to structural issues). Every structure is different and will have their own unique issues. My heart really goes out to the victims and their families.
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I always thought concrete was pretty impervious. Wiki sez all sorts of junk can cause it to degrade, especially sea water and rusty rebar....huh....
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The construction site here is today a completed project. Here's a slow motion of the collapse https://youtu.be/xbaCbyQeu8s
A tik Tok 'er mentioned that the residents where concern about the pile driving going on during construction next door. In most old buildings including my building, cracks in walls and ceilings are quickly blamed on new development in there area, which might not be the case or deserved. https://i.imgur.com/QxW8QhZ.jpg https://www.google.ca/maps/place/Sur...!4d-80.1256007 |
Engineer raised concerns about structural damage at Surfside condominium in 2018 report
https://www.townofsurfsidefl.gov/doc...rsn=882a1194_2 |
This has been so sad to watch & read about. There's some new info about structural deficiencies that were unearthed in 2018 -
Quote:
https://www.dropbox.com/s/4w0d033dsr...ling.jpg?raw=1 Source: CNN | Morabito Consultants |
You can see in the photo the tower under construction next door.
If those cracks were there during pile driving I understand the concern and anxiety residents with that knowledge would have had. I wonder if any condo owners asked city hall to revoke the pile driving permit. To get that pile driving permit (or any permit) do you need an integrity report on surrounding structures? |
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