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Europes Tallest Building On Fire And In Danger Of Collapsing


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HOLA441

http://rt.com/on-air/moscow-skyscraper-federation-fire/

Moscow's Federation Tower, designed to be the tallest building in Europe, has caught fire in Moscow's business center. As firefighters try to put out the flames on the top floors, the danger the incomplete building might collapse is growing every minute.

Still at least they could rebuild it to boost GDP.

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HOLA442

http://www.huffingtonpost.com/2012/04/02/moscow-federation-tower-fire_n_1397623.html

s-MOSCOW-FEDERATION-TOWER-large.jpg

MOSCOW -- Firefighting helicopters are trying to put out a spectacular blaze atop an under-construction Moscow skyscraper, planned to be Europe's tallest building.

Orange flames were leaping about 250 meters (880 feet) Monday, visible in the night sky to much of the city.

No injuries have been reported at the fire in the eastern tower of the Federation Tower complex, part of a massive development along the Moscow River about 2.5 kilometers (1.5 miles) west of the Kremlin.

Who's financing the tower?

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HOLA443
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HOLA446

Nonsense it won't fall down!!

Buildings don't fall down just because they catch fire!!

:lol:

Hmmm

Fire ... tall buildings ... collapse ... on an internet forum

You don't need psychic abilities to see where this one is going

Until the BBC reports the building has fallen down twenty minutes before it actually falls down I'm not having any of it

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HOLA447

Until the BBC reports the building has fallen down twenty minutes before it actually falls down I'm not having any of it

Even worse, the BBC isn't reporting it at all. Information blackout!!!

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HOLA4410

Nonsense it won't fall down!!

Buildings don't fall down just because they catch fire!!

Can't we just have a bit of drama. :P

Fire and Collapse, Faculty of Architecture Building, Delft University of Technology: Data Collection and Preliminary Analyses

ABSTRACT

On the morning of May 13, 2008, a fire that started in a coffee vending machine on the 6th floor of the 13-story Faculty of Architecture Building at the Delft University of Technology (TUD), Delft, the Netherlands, quickly developed into an extreme loading event. Although all building occupants evacuated safely, the rapid fire spread severely impacted fire department operations, allowing the fire to burn uncontrolled for several hours, eventually resulting in the structural collapse of a major portion of the building. With the fire continuing to burn after collapse, damage was ultimately significant enough that the building had to be demolished. Collecting and archiving data from this fire is extremely important because structural collapse of high-rise buildings due to fire has historically been quite rare. There are several reasons for this, from the overall infrequency of fire ignition in high-rise buildings, to the combination of structural fire resistance of the frame, fire-rated compartment barriers, automatic fire suppression systems, and fire department suppression activities generally associated with the fire protection strategy for high-rise buildings. This event offers a unique opportunity to study the performance of a codecompliant

high-rise building in a major fire wherein the outcome was different than might typically be expected. In order to facilitate analyses of this event, researchers in the United States, under a Small Grant for Exploratory Research (SGER) from the National Science Foundation (NSF award 0840601), teamed up with researchers from TNO and Efectis in the Netherlands, along with Prof. Kees van Weeren of the TUD Faculty of Architecture, to collect data on the fire and collapse. A summary of data collected and outcomes of preliminary analyses are presented.

Rare but it's not impossible.

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HOLA4417

Buildings can and are falling in fire.

- Timber ones - obvious why

- Metal frames - steel does not burn but at certain temperature will start sagging, eventually loosing support. Once a member fails the structural scheme changes. it may survive but part of it usually collapses;

-concrete buildings: again when heated concrete does not burn but at certain temerature may start spalling exposing the reinforcement. Reinforcement usually is on the bottom side of elements where the heat is most intense (fire from the floor beneath, just think M1).

Usually the buildings are protected from fire BUT to allow sufficient time for evacuation.

My link

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HOLA4419

The melting (or weakening point) of steel is quite high and not normally reached in a common building fire.

Remembering the usual combustibles which due to continual leglisation have had their ability to burn reduced over the years. In a common British house for example it would be the soft furnishings and of course the furniture. If the fire was particularly fierce or it was some minutes before the blaze was tackled it would be able to burn through normal plasterboard (which I believe has to carry a 30 minute fire rating). Then of course it is into the timber joists and floorboards on upper levels. Once these were gone then the interior (all that enclosed within the brick walls) would collapse in on itself. Walls themselves would only be taken down if they were struck by say a large section of the roof on the way down.

Modern office buildings and sky scrapers have very little wooden construction so would not burn in the same fashion. Yes office furniture and soft furnishings but enough to reach a temperature to affect the integrity of steel?

Part of the explanation into the towers was the aviation fuel released allowed the fire to burn at a much higher temperature.

Just what the feck was in that coffee machine???

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HOLA4420

Especially not with people stood waving out of the windows in the areas where the fire is so intense it "melts the steel structure".

Steel melting has not, as far as I am aware, ever been proposed as the collapse mechanism for any building collapse.. mind you, it does lose a lot of strength even at 500 degrees C, which would be a problem for a compromised structure.

Your average bonfire burns at perhaps 800-1000 degrees C.. how far away do you need to stand?

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HOLA4422

since when was Moscow in Europe?

1812?

Edit.. European Russia tends to be informally defined as anything West of a line through the Ural mountains down to the Caspian Sea.. you can then draw a line through the Caucasus to the black sea to defined Europe. Then you ave to decide if Turkey is European or not..

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HOLA4424

Not always

Europe was everything west of the German Empire - with Russia to the East and the Ottoman Empire to the south east. The divide being a line from the German Baltic to the Black sea

[pic]http://upload.wikimedia.org/wikipedia/commons/2/26/Map_Europe_alliances_1914-en.svg[/pic]

Some history being re-written there

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HOLA4425

Not always

Europe was everything west of the German Empire - with Russia to the East and the Ottoman Empire to the south east. The divide being a line from the German Baltic to the Black sea

[pic]http://upload.wikimedia.org/wikipedia/commons/2/26/Map_Europe_alliances_1914-en.svg[/pic]

Some history being re-written there

I think we need a game of Diplomacy on HPC to sort this out..

http://en.wikipedia.org/wiki/Diplomacy_(game)

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