The worst building collapse accidents in the United States have only begun, but experts who examined the video of this accident in Miami, Florida may have caused the initial failure to cause a structural collapse.He is paying attention to the bottom of the apartment, probably in the underground parking lot or below.
This phenomenon, whose interior of the structure has been slowly diffused, is called a "pancake crash", and has a low robustity that was recognized by the design defects and the building standard law 40 years ago when the apartment was built.It may have occurred for various reasons such as structure.
However, without the early fatal failure, such a situation could not happen.As a result of scrutinizing the video of a coarse surveillance camera, which was released a few hours after the collapse, the clues were given for the first time where it was.
"The failure seems to start from the bottom of the structure or nearby," said Donaldo O. Dusenberry, a consulting engineer, who has investigated many structures."A failure occurred at a high altitude of the apartment, and it did not spread to fall down."
The initial survey was that the rescue squad went on the 4th day of the huge mountain of the 12 -story building "Sharp Rain Towers South" on June 24th, on the morning of the huge debris.It is something.As a new body was discovered, the number of deaths was 11, and more than 150 people were missing.
Every year, many bridges, viaducts, and building buildings are broken, but the living buildings are rarely collapsed, as long as there are no bombs and earthquakes, so the investigative authorities have no urgent warning.I have a hard time understanding whether this happened.
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