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High rise implosion, Frankfurt

Muc

Critical Thinker
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I hope this is only semi-off-topic here:

Tomorrow in Frankfurt (Germany), the AfE-Turm (116 m) will be demolished. It will be the tallest building ever imploded in European history, and I fully expect every single video of this which will be uploaded to YouTube to be plastered with Truther comments.

Here is what they are planning to do:

First they will implode the outer columns with explosives placed in the lower floors (red dots in the graph below) to let the outer part of the building collapse into the basement. Three and a half seconds later they will detonate charges in two areas of the core (containing the stairs and the elevator shafts) to make it collapse slightly sideways. All in all, 1,400 charges with a total of almost a ton of the explosive pentaerythritol tetranitrate will be used.

so-laeuft-die-sprengung-des-afe-turms-ab.jpg


Of course not only will this look quite unlike the top-down twin tower collapses, but it will also be the result of preparations that took months during which everything but the reinforced concrete has been removed so they don't have shrapnel and asbestos flying all over the place (the building looks like this now), and it will be really, really loud.

They have also placed two dozen water tanks all over the building (blue squares in the graph) in an attempt to reduce the amount of dust (or should I say "pyroclastic-like clouds"). More than 50,000 tons of rubble are expected. The prohibited zone is in a radius of 135m around the tower. Residents are allowed in a radius of 250m, if they stay indoors. As you can see on the photos there are other buildings pretty close to the tower, so this is going to be a bit tricky.

Originally they had planned to remove the building floor by floor from the top down, but then changed their minds because residents complained about the long demolition process. The newspaper "Die Welt" quotes one of the people responsible as saying that in this case a demolition with explosives is still a practicable solution because the high rise is not a steel building, which would make an implosion much more complicated.

N-TV, the german partner of CNN, will broadcast the event live at 10am Central European Time tomorrow. Web stream will be here.
 
Muc said:
They have also placed two dozen water tanks all over the building (blue squares in the graph) in an attempt to reduce the amount of dust (or should I say "pyroclastic-like clouds").
Click to expand...

Did they actually say that was their purpose? Looking at the demolition time sequence, I think they needed to add mass they didn't need to worry about flying away. Mass is a good thing if you want something to come straight down. ;)
 
DGM said:
Did they actually say that was their purpose? Looking at the demolition time sequence, I think they needed to add mass they didn't need to worry about flying away. Mass is a good thing if you want something to come straight down. ;)
Click to expand...


Yeah, that's what they said. All of the tanks together only hold around 25 tons of water, so I guess the additional mass would be negligible.
 
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Muc said:
Yeah, that's what they said. All of the tanks together only hold around 25 tons of water, so I guess the additional mass would be negligible.
Click to expand...
Thanks. I was at a demolition once where they needed to add mass, water worked good but they did have to make sure it didn't wash debris into the surrounding water ways. The amounts in this case would be negligible.
 
Brace yourself for the inevitable comments:

"They should have just flown a plane into it or lite a rubbish bin on fire and the whole building would have fallen neatly into its own footprint"...

The amount of times I've seen comments like that...
 
Wow, job well done! Noisy s.o.b though, wasn't it?
 
Especially in the second video it's quite impressive how incredibly loud the explosions (and their echos) seemed to be even from a distance. You could probably hear those booms for many miles. I guess the echos from such high explosives in the urban canyons of Manhattan would have been enormous.

Btw, the smug Truther ratio is already significant in the comments section of all three of those videos.
 
Muc said:
Especially in the second video it's quite impressive how incredibly loud the explosions (and their echos) seemed to be even from a distance. You could probably hear those booms for many miles. I guess the echos from such high explosives in the urban canyons of Manhattan would have been enormous.
Click to expand...

At the same time, I was surprised how quiet the collapse itself seemed to be.
 
I hope someone has got a sample of that dust before its cleared away!
 
Wow...that building was totally dustified. Did anyone else see that invisible space beam. I also got to only two "clunkity clunks."
 
How could they perform this demolition without the aid of Danny Jowenko? I thought he was the top European controlled demolition expert.:confused:
 
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