geekydude
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15-story Hotel Put Up In 90 Hours!

Fri Nov 12, 2010 3:49 am

A largely prefabricated hotel was built in Changsha, China within a week. I have seen high-rise Japanese office buildings built within a few months with the same prefab method. But this one just blows my mind.

http://www.youtube.com/watch?v=Ps0DSihggio&feature=player_embedded

http://www.businessinsider.com/15-st...1#comment-4cdc82d74bd7c86536030000

edit: added youtube link

[Edited 2010-11-11 20:33:03]
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n229nw
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RE: 15-story Hotel Put Up In 90 Hours!

Fri Nov 12, 2010 4:14 am

Pretty amazing. I take it the insides (plumbing, electrical, etc. etc.) took a good while longer afterward, right?

In any case, maybe the US can build a High Spped Rail or the Second Avenue Subway in the same number of years that that took hours...
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DocLightning
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RE: 15-story Hotel Put Up In 90 Hours!

Fri Nov 12, 2010 6:56 am

Anyone have interior photos?
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geekydude
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RE: 15-story Hotel Put Up In 90 Hours!

Fri Nov 12, 2010 7:52 am

Quoting n229nw (Reply 1):
I take it the insides (plumbing, electrical, etc. etc.) took a good while longer afterward, right?

I would think so.

The company that built the Lego hotel originally started with making centralized air-conditioning systems for commercial buildings. They are very experienced in making energy efficient designs. Now it seems that they are making a push into making low carbon footprint, low waste, super energy efficient buildings.

The boss of the that company is said to be among the first entrepreneurs in China to have purchase business jets and helicopters.
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GQfluffy
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RE: 15-story Hotel Put Up In 90 Hours!

Fri Nov 12, 2010 3:04 pm

Regardless of where this building was made, I wouldn't want to be anywhere near a 15 story building that went from elevation to 15 stories in just under 4 days.

I don't care how it was built...that's just too fast. This thing won't last 20 years.
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geekydude
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RE: 15-story Hotel Put Up In 90 Hours!

Fri Nov 12, 2010 7:18 pm

Quoting GQfluffy (Reply 11):
I don't care how it was built...that's just too fast. This thing won't last 20 years.

The Empire State Building was built in 400 days with technology from the 30's, with no massive prefab input as this Chinese hotel. That was real fast as well.
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hka098
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RE: 15-story Hotel Put Up In 90 Hours!

Fri Nov 12, 2010 8:34 pm

Quoting GQfluffy (Reply 11):
Regardless of where this building was made, I wouldn't want to be anywhere near a 15 story building that went from elevation to 15 stories in just under 4 days.

I don't care how it was built...that's just too fast. This thing won't last 20 years.

  

Who wants to live in a building that went up in 90 hours?
 
aloges
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RE: 15-story Hotel Put Up In 90 Hours!

Fri Nov 12, 2010 9:47 pm

Quoting HKA098 (Reply 16):
Who wants to live in a building that went up in 90 hours?

First, it's a hotel. Second, they bolted a pre-fabricated steel frame together. Third, what they did in those 90 hours was build the shell and some walls - all the interior fitting was left for later, by appearances. Fourth, you can see in the video how they threw a huge amount of resources at the build: there was a crane wherever one would fit and oodles of construction workers.

It's funny how people laud Henry Ford for slashing the time it takes to build a car and yet they ridicule a building that's been erected following the exact same principles.
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JBirdAV8r
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RE: 15-story Hotel Put Up In 90 Hours!

Fri Nov 12, 2010 11:20 pm

Quoting HKA098 (Reply 6):

Who wants to live in a building that went up in 90 hours?

It's not so much the building going up quickly itself as the engineering behind it. China doesn't have the world's greatest track record for engineering prowess.

Although when you put something so large together so quickly, you have to wonder if it was done right--or well. Even though it was largely prefabricated, there's still a lot that can go wrong. It's not exactly like building with Tinker Toys or Legos.
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hka098
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RE: 15-story Hotel Put Up In 90 Hours!

Sat Nov 13, 2010 12:22 am

Quoting aloges (Reply 7):
It's funny how people laud Henry Ford for slashing the time it takes to build a car and yet they ridicule a building that's been erected following the exact same principles.

Big difference between a car and a building. Though cars kill more folks than buildings... I can see the reason behind building cars in a rapid fashion, not so much for a hotel.
 
captaink
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RE: 15-story Hotel Put Up In 90 Hours!

Sat Nov 13, 2010 12:28 am

HAHA, only some Americans seem to have their doubts about this.. Interesting..

But I tend to lean on their side, China has some very questionable practices. Their car look alikes have terrible crash tests results. I hope their buildings and airplanes are different.

[Edited 2010-11-12 16:30:31]
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ltbewr
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RE: 15-story Hotel Put Up In 90 Hours!

Sat Nov 13, 2010 12:48 am

During WW II, the Kaiser Company build basic cargo ships, using prefabricated components and welding instead of traditional steel shipbuilding methods in days. I believe they went from laying the keel to ability to float in as little as 4 days. Problem is that the designed was flawed and many of the fast built ships had serious structural problems in rough seas, breaking bulkheads and the keels with a number of them sinking. Most buildings of such size as to their main structures, will take about one week per floor. For example, the WTC 1 tower in NY City, is taking about 2 weeks per floor once they got beyond the 10-15th floor above ground level.
 
PC12Fan
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RE: 15-story Hotel Put Up In 90 Hours!

Sat Nov 13, 2010 1:07 am

Quoting GQfluffy (Reply 4):
Quoting HKA098 (Reply 6):
Quoting JBirdAV8r (Reply 8):
Quoting HKA098 (Reply 9):

Ummmm, hello? Have you people not thought about the foundation? If you have a good foundation...............
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hka098
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RE: 15-story Hotel Put Up In 90 Hours!

Sat Nov 13, 2010 1:10 am

Quoting PC12Fan (Reply 12):
Ummmm, hello? Have you people not thought about the foundation? If you have a good foundation...............

Will the concrete required for a building of that size, properly dry in 90 hours? I am not a construction engineer, but it took three days for the concrete foundation in my house to properly dry.
 
PC12Fan
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RE: 15-story Hotel Put Up In 90 Hours!

Sat Nov 13, 2010 2:02 am

Quoting HKA098 (Reply 13):

I may have missed something, but I didn't see where the foundation was part of the 90 hour process.
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hka098
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RE: 15-story Hotel Put Up In 90 Hours!

Sat Nov 13, 2010 1:36 pm

Quoting PC12Fan (Reply 14):
I may have missed something, but I didn't see where the foundation was part of the 90 hour process.

Perhaps? Pouring a foundation is part of the building process.
 
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Tugger
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RE: 15-story Hotel Put Up In 90 Hours!

Sat Nov 13, 2010 4:37 pm

Just to clarify, there are two "clocks" in the video. One shows it took 46 hours, 38 minutes, and 12 seconds(?!) to construct the steel structure and the other shows an additional 90 hours, 9 minutes, and 52 seconds (again, ? Really, 52 seconds?) to build the.... exterior (and I assume basic interior? You can still see straight through the building to the other side at the "end" of the construction clock).

And as others here have mentioned, the foundation.... how long did that take? For any building the foundation is an integral, critical part of it. Just not as visible a part.


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comorin
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RE: 15-story Hotel Put Up In 90 Hours!

Sat Nov 13, 2010 4:46 pm

Let's give credit where credit is due. If this building had been erected in Pittsburgh we'd all be going ooh and aah.

China is on a tear and has a desperate need for new buildings, so it makes sense to try new prefab construction methods. Even if the buildings are ersatz, they can be torn down and rebuilt.

We must give China its due in the area of manufacturing and construction technology. Easy to smirk at their quality, but we did the same with the Japanese a while ago. Both nations have a heritage of exquisite craftsmanship, and the will to produce the best products in the world.

As The Buddha said, a wise man yet learns from a novice...
 
GQfluffy
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RE: 15-story Hotel Put Up In 90 Hours!

Sun Nov 14, 2010 3:32 am

Quoting comorin (Reply 17):
China is on a tear and has a desperate need for new buildings,

Oh really?

http://theweek.com/article/index/208524/the-ghost-city-of-china

Read the entire article. Their economy is booming because of construction. Huh. Sound familiar?
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mham001
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RE: 15-story Hotel Put Up In 90 Hours!

Sun Nov 14, 2010 4:05 pm

This has been going on with large scale buildings for decades. It's nothing more than a high speed version of western techniques, engineering and methods. A propaganda ploy or publicity stunt that adds significantly to the costs.
 
geekydude
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RE: 15-story Hotel Put Up In 90 Hours!

Mon Nov 15, 2010 12:18 am

Quoting mham001 (Reply 19):
A propaganda ploy or publicity stunt that adds significantly to the costs.

Geez, it's just a private company making a pitch for a new line of business. The company is quite well-known in China.

They have their own website, in Chinese only. http://www.broad.com/
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mham001
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RE: 15-story Hotel Put Up In 90 Hours!

Mon Nov 15, 2010 5:32 am

Quoting geekydude (Reply 20):

Geez, it's just a private company making a pitch for a new line of business.

So, a publicity stunt.

In construction, everybody wants good, fast and cheap. In reality, only two are possible. Take your pick.
 
mham001
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RE: 15-story Hotel Put Up In 90 Hours!

Mon Nov 15, 2010 5:54 am

The mods seem pretty determined that the Chinese will not be cast in any negative way here, but this is what Time said about it today...

"A few decades ago, our [country's] main concern was still to provide shelters for people as quickly as possible, and that had created lots of poor-quality buildings," says Zheng. "But things have been very different in recent years. We've seen more relentless developers who would do anything to maximize profits, even if that means compromising the quality of buildings."

http://www.time.com/time/world/artic...8599,2030548,00.html#ixzz15KNIsMQQ
 
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Francoflier
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RE: 15-story Hotel Put Up In 90 Hours!

Mon Nov 15, 2010 10:31 am

Quoting GQfluffy (Reply 18):
Their economy is booming because of construction. Huh. Sound familiar?

there is no doubt that there is a growing property bubble in China, but I wouldn't say that the country's entire economy is based on this.

China has enormous resources in the form of everything you and me buy being manufactured there. There is a rapidly expanding middle class led by a ever growing number of extremely rich people. Funds for infrastructure and investment is almost limitless.

Time only will tell if the construction frenzy is justified.
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alberchico
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RE: 15-story Hotel Put Up In 90 Hours!

Mon Nov 15, 2010 4:44 pm

Funny how we are talking about chinese building safety and this happens

http://www.nydailynews.com/news/worl...ls_at_least_8_injures_90_more.html

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GQfluffy
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RE: 15-story Hotel Put Up In 90 Hours!

Mon Nov 15, 2010 8:39 pm

Heh...I could play devil's advocate and say "The silence of those in favor of this "slap a prefab building together" is deafening."...but that's unfair. This could happen anywhere.
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PPVRA
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RE: 15-story Hotel Put Up In 90 Hours!

Mon Nov 15, 2010 9:02 pm

Quoting HKA098 (Reply 9):
I can see the reason behind building cars in a rapid fashion, not so much for a hotel.

How about the same exact reason as building a car fast? That's the whole point of pre-fabs.

Quoting alberchico (Reply 24):
Funny how we are talking about chinese building safety and this happens

This is at least the second major fire at a Chinese high-rise since the Olympics. Not good.

Quoting GQfluffy (Reply 25):
Heh...I could play devil's advocate and say "The silence of those in favor of this "slap a prefab building together" is deafening."...but that's unfair. This could happen anywhere.

Is it a pre-fab? Doesn't look like to me.
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FlyDeltaJets87
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RE: 15-story Hotel Put Up In 90 Hours!

Tue Nov 16, 2010 3:47 am

Quoting comorin (Reply 17):
Let's give credit where credit is due. If this building had been erected in Pittsburgh we'd all be going ooh and aah.

If we were talking about "90 hours" and "Pittsburgh", we would be talking about the amount of time between run-ins with the law and Ben Roethlisberger, not construction.   

Quoting GQfluffy (Reply 4):
Regardless of where this building was made, I wouldn't want to be anywhere near a 15 story building that went from elevation to 15 stories in just under 4 days.

  
Even if much of this was pre-fabricated, I wouldn't want go near this either.

Quoting ltbewr (Reply 11):
Most buildings of such size as to their main structures, will take about one week per floor. For example, the WTC 1 tower in NY City, is taking about 2 weeks per floor once they got beyond the 10-15th floor above ground level.

At the rate they built this thing (and all engineering considerations aside), they could build the original Twin Towers in about 29 days.

Quoting ltbewr (Reply 11):
During WW II, the Kaiser Company build basic cargo ships, using prefabricated components and welding instead of traditional steel shipbuilding methods in days. I believe they went from laying the keel to ability to float in as little as 4 days. Problem is that the designed was flawed and many of the fast built ships had serious structural problems in rough seas, breaking bulkheads and the keels with a number of them sinking.

We discussed the "Liberty Ships" in my Engineering Materials class. IIRC (and I may not be so if someone else knows, please chime in), that it had to do with the welds and cracking, especially when the crack spread from one section to another and when the ship hit rough seas, bad things happened.
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WarRI1
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RE: 15-story Hotel Put Up In 90 Hours!

Tue Nov 16, 2010 4:10 am

Quoting FlyDeltaJets87 (Reply 27):

Even if much of this was pre-fabricated, I wouldn't want go near this either.

Nor would I, I have claustrophobia, I fear being trapped in a collapsed building.
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Cadet985
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RE: 15-story Hotel Put Up In 90 Hours!

Thu Nov 18, 2010 2:03 am

Quoting n229nw (Reply 1):
In any case, maybe the US can build a High Spped Rail or the Second Avenue Subway in the same number of years that that took hours...

Hey......the Second Avenue Subway has only been in the planning stages since 1929  .

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