Most Efficient Skyscraper Demolition

Submitted by: eugenius 8 years ago Weird
/media/65226_MostEfficientSkyscraperDemolition.flv
Damn, the Japanese even demolish their buildings better than us.
There are 72 comments:
Male 156
how is it more efficient?
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Female 74
awwwwwww. i wanted to watch something blow up. oh well. it was still pretty interesting to watch the whole process, anyway. *sigh* even if it didn`t include a mushroom cloud of rubble dust....its the thought that counts.
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Female 498
looks really odd like the ground got hungry or something....
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Female 2,695
safe, effecient.
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Female 374
stupid japs >_> blow the fricking building up!!
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Male 1,265
Yes, because "Wong" is a traditionally Japanese name.
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Male 612
imagine sally wong coming to work on monday..."WHERE HELL IS MY DESK...actually....WHERE THE HELL IS MY FLOOR!!!!!"
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Male 300
To all you people who think that this is inefficient because of time...

Do you realise that part of the demolition of a building involves clearing up all that rubble that you now find on the ground? Just imagine how much of a job it would be clearing up that disorderly mess, as opposed to decontructing the building bit by bit. Oh yeah, it`s a lot more efficient, isn`t it? Plus the added benefits others have mentioned.

And besides, the extra time it takes to lower the building wouldn`t be very long in comparison to the whole job.

Oh and I wouldn`t call fake on this, because although they do loop the footage, it still suggests that one floor has been removed...why would anyone do this unless they are in fact demolishing a building?

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Male 13
Actually, it loks like there it is made with a video camera but the beginning and endingare probally the same because they ran out of footage. I say it`s legit.
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Male 13
everybodys saying it`s shopped, but what you on`t rrealize is this is pictures taken every now and again and it looks the same because they do the same thing for every floor. Accept the fact that it`s cool and more efficient.
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Male 1
Kajima Corporation, a Japanese construction company, demolishes high-rise buildings from the bottom up. They install giant hydraulic jacks on the first floor, break up all the building material on that floor, then lower the jacks and repeat the process on the second floor (which is now resting at ground level.)

Informally, this method is called daruma-otoshi, the name of a Japanese game where you remove the lowest block on a stack by knocking it out with a small mallet.

According to Kajima, the daruma-otoshi demolition method — which is now being used to dismantle a 75 meter (246 ft) tall, 20-story building and a 65 meter (213 ft) tall, 17-story building — is safer and creates less noise and dust pollution because the work is kept close to the ground. In addition, this method cuts demolition time by 20% and makes it easier to separate and recycle the building materials.

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Female 1,264
Well that takes the fun out of it.
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Male 250
SHAWPED
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Male 17
In US/UK/Germany/Spain/Brazil and lots of other countries this has been done before and much more..

They can cut a building in half and move the facade back to open space to the streets.. mind your enginering knowledge before praising something that`s not really that new and a country famous for taking the fame for things they didn`t created.

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Female 90
Cool, but explosions are fun.
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Male 473
well its clean and all, but in reality its much more efficient to just blow it up. With this they have to take every peice off floor by floor, then wait. This would take a very long time.
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Male 1,002
You know what I just realized IAB needs? Comment ratings. You know, like how on YouTube if you get enough thumbs downs your comment gets removed - well I think IAB could really use something like that. Case in point - "boring blowing stuff up is more fun"
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Female 767
That was awesome, but how long does it take?
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Male 693
See- instead of being enviable of the Japanese, why don`t we copy them and give them the credit? Everything would be so much easier.
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Female 488
i`m not sure how they did it but the video looks looped, so i`m calling shenanigans.
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Male 5
better then using planes eh
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Female 660
waste not,want not.
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Female 1,407
Very neat and clean. But it must be quite time consuming; I`d still vote for the ol` reliable explosives. ^_~
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Male 19
"so no one noticed the start and the end of the video are the exact same???" - me post 38

"wait a second it repeats itself. the second floor is just the first half of the video again!" - Dave32891 post 42

COPY CAT :O i said it first!!

Silly copy cat not reading the previous posts :O

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Male 9,306
It may be a longer process but it is a lot cleaner and less noisy!
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Female 450
This reminds me of a Back to the Future quote:
"No wonder this circuit failed, it says made in Japan."
"What do you mean Doc, all the best stuff is made in Japan."
"Unbelievable."
^^
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Male 172
Dawwww Son of a bitch :-(
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Male 10,440
More like slowest, lamest, and LEAST efficient building demolition ever. Imagine how much energy it takes to mechanically support a building for days on end.
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Male 4,867
BLOW IT UP
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Male 2,781
PRETTY COOL
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Male 541
wait a second it repeats itself. the second floor is just the first half of the video again!
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Male 541
i still think America`s better
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Male 19
and and and!!! the shadows are wrong, one second the whole underside is completly dark, they next, it light up again, but the building is lowerd!! i vote its a fake.
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Male 288
Bombs seem more efficient.
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Male 19
so no one noticed the start and the end of the video are the exact same??? meaning they lowerd tiny little white bits (start and end) then they demolished the floor and lowerd the supports, but then it cuts to the white bits that look more like concrete.
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Male 19
its efficicient cos they can then go and use all the bricks and metal and stuff again.
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Female 12
we do that like some bad-asses! Imagine how many little Japanese boys see on the Discovery channel how your supposed to get in there with dynamite, then when Dad gets home. Well, he just gets no respect..
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Female 15,763
So it melts into the ground? That`s oddly confusing.
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Male 354
That building wouldn`t even pass safety inspections here by the looks of it. Unless they removed some internal supports before.
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Male 1,142
ther is probably a system in place underground to clamp on to one set of beams and remove the lower set then lower it a level and repeat. imploding a building isnt very dangerous if its done right by people who know what they are doing. ive seen quite a few videos were they only had around 15-20 feet of clearance on one side of a building and nothing but dust touched the surrounding buildings. use the right explosive for the materials the building is made out of put them in the right places and time the detonations properly and buildings come down in a neat little pile.
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Male 6
thats way too time consuming not that "efficient"
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Male 603
Oh, goodness. I can see the 9/11 conspiracy theorist now...

"This was a ground-level video of the buildings being taken down."

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Male 62
That seems less efficient to me
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Male 1,142
i question both the efficiency of that method and the classification of the building we only see a corner of as a skyscraper.
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Male 263
domo ee!
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Male 2,160
more like ineffecient...and lame.
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Male 105
efficeint?! thatl take forever!
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Male 418
The building melted like the wicked witch of the west
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Male 1,148
umm not really more effeciant, It would take less time and energy to blow it up and clear it away
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Male 773
how?
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Male 3,369
That didnt look so much as demolished as disolved!
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Male 776
figured a japanophile would come and comment on that comment...

i wonder where those pilars go though, it seems as though they are lowered into the ground, so wouldnt that meant it had to be designed to allow a skyscraper high pillar to go underground, not very practical when you think about subway systems and sewage thatd require space underground

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Male 2,395
I think thats a clean way of demolishing it...
I think its as time consuming as cleaning up the debris made when you blow up a building.
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Male 1,455
"Pff...that`s just because they have no space to do anything. You know what the US is better at than Japan? Everything."

I laughed. Hard. You`re quite convinced that the US is much better at failing, right?

What the hell is up with the sudden influx of monosyllabic 13-17s? It`s starting to look like Youtube comment pages.

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Male 2,506
let the sky scapades begin!
but that was seriously boreing tho intresting
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Male 10
I think that the building has to be designed and constructed to pull that off. I don`t think they can just pick any old building and do that. Very cool, neat, and much safer than exploding.

But, like many other posters, I would rather see them blow the crap out of it. Nothing beats the huge cloud of smoke rolling towards you containing who knows what that has the face of Satan on it.

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Male 126
Is blowing the building up a sensible thing to do in the middle of a downtown area? i think not.
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Female 1,002
That`s weird, but I prefer blowing buildings up.
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Male 134
They don`t look very demolished to me.. looks like they just lose support so they can topple in a tragic accident.
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Male 31
an A bomb does it way quicker and looks cooler..... USA all the way
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Male 352
^^ Or Godzilla
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Male 26
yeah if you want to do it the PG way.
i like explosions.
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Male 19
I wish they had goku power up and blow the building away instead
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Male 4,594
Cool, but I have to agree that it`s WAY more fun to watch them implode and come down in a few seconds than it is to watch that.
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Male 17
thats 1 helluva long demolition
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Male 534
Pff...that`s just because they have no space to do anything. You know what the US is better at than Japan? Everything.
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Male 1,686
hmph...uh, thats a very clean way to remove a building. But, well, how exactly does that work?
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Male 668
Wow... that`s really awkward... Like the skyscraper is melting away.
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Male 1,766
boring blowing stuff up is more fun
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Male 268
Cool
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Male 264
What fun is that? Watching buildings explode and tumble down is much better! ~LOL~
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Male 1,620
Link: Most Efficient Skyscraper Demolition [Rate Link] - Damn, the Japanese even demolish their buildings better than us.
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