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(Reddit)   Scientists: "If we put in a stabilizing pendulum into the Taipei Tower, you'll survive with minimal damage, if any." Today it was thoroughly tested with a 7.2 Earthquake. The awesome: There's a video   (reddit.com) divider line
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3509 clicks; posted to STEM » on 19 Sep 2022 at 1:25 AM (9 weeks ago)   |   Favorite    |   share:  Share on Twitter share via Email Share on Facebook



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View Voting Results: Smartest and Funniest


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2022-09-18 8:54:09 PM  
To get a feel for the size and weight of this, that thing is 5.5m (18ft) across and weighs 660mt (728 tons)!!
 
2022-09-18 9:18:36 PM  
Somewhere, an engineer just high-fived another engineer.
 
2022-09-18 9:22:57 PM  
I seen the mass damper in person twice.   That video doesn't do the scale justice.   It's amazing that a 7.2 at the other end of the country made it move that much.
 
2022-09-18 9:23:11 PM  
Science!
 
2022-09-18 9:34:03 PM  
they aren't focaulting around
 
2022-09-18 9:51:39 PM  
If this ball's a-rockin', thank an engineer
 
2022-09-18 9:57:34 PM  
No wonder my coworkers in Taipei are already awake and doing the Monday morning things.
 
2022-09-18 10:29:22 PM  
that is pretty cool
 
2022-09-18 10:29:36 PM  

bloobeary: Somewhere, an engineer just high-fived another engineer.


and unclenched
 
2022-09-18 11:02:01 PM  
Always enjoy stumbling upon a new reddit sub I hadn't seen yet, this video is fantastic on the Interesting As Fark scale.
 
2022-09-18 11:03:18 PM  
The Lance Armstrong of building earthquake mitigation!
 
2022-09-18 11:19:27 PM  

Warthog: I seen the mass damper in person twice.   That video doesn't do the scale justice.   It's amazing that a 7.2 at the other end of the country made it move that much.


The cables alone impressed the hell out of me, that is a lot of really big stuff working in concert.
And, from the comments, they had to take it up in pieces and assemble it, because no crane that can reach the 87th-92nd floors can also do so with 728! tons.
This thing is called a 90 ton crane, because it weighs that much on the road, it can't lift 90 ton
Fark user imageView Full Size
 
2022-09-18 11:24:03 PM  
I've been careless here, while the 100 ton crane can lift 100 ton, there are a ton of calculations that go into the length of boom, the angle, etc. It weighs 118,000 or so lbs.

I hadn't ever dug into why they called em that and now I feel dumb even though my family has been working steel since it was Ironwork.
 
2022-09-18 11:34:40 PM  
Put scientists, engineers, and architects together. And you'll probably something insanely cool, stunning to look at, and yet weirdly terrifying
 
2022-09-18 11:54:53 PM  

Markoff_Cheney: I hadn't ever dug into why they called em that and now I feel dumb even though my family has been working steel since it was Ironwork.


I for one am very disappointed
 
2022-09-19 12:08:23 AM  

Znuh: To get a feel for the size and weight of this, that thing is 5.5m (18ft) across and weighs 660mt (728 tons)!!


This Enormous Woman Will Devour Us All!
Youtube vaP8tN6QNrc
 
2022-09-19 12:35:19 AM  

Lady J: Markoff_Cheney: I hadn't ever dug into why they called em that and now I feel dumb even though my family has been working steel since it was Ironwork.

I for one am very disappointed


WHY DO THEY CALL IT A 90 TON CRANE THEN? OH IT CAN LIFT 90 TONS IF THOSE 90 TONS ARE A FOOT FROM THE CRANE AND THE JIB IS FULLY RETRACTED? 
WELL FARK ME, THE TRUCK DOESN'T EVEN WEIGH 90 TONS!

We also now know why I am not the crane operator for my cousin's company.
 
2022-09-19 12:40:20 AM  
Fark user imageView Full Size


My hotel view of 101 in 2017.

One gigantic ball is all your enormous wang needs.
 
2022-09-19 12:51:50 AM  

Markoff_Cheney: Lady J: Markoff_Cheney: I hadn't ever dug into why they called em that and now I feel dumb even though my family has been working steel since it was Ironwork.

I for one am very disappointed

WHY DO THEY CALL IT A 90 TON CRANE THEN? OH IT CAN LIFT 90 TONS IF THOSE 90 TONS ARE A FOOT FROM THE CRANE AND THE JIB IS FULLY RETRACTED? 
WELL FARK ME, THE TRUCK DOESN'T EVEN WEIGH 90 TONS!

We also now know why I am not the crane operator for my cousin's company.


Mistakes were made?
 
2022-09-19 1:16:10 AM  
So what happens if the ball drops?
 
2022-09-19 1:24:39 AM  
The Japanese knew how to do this centuries ago. One of their largest pagodas has a large tree in the middle. It doesn't support the roof, but rather hangs from it with enough space between the log and the floor for it to swing like the clapper of a bell. It absorbs the movement from an earth quake and counters it as a sort of counter-weight the size of a douglas fir.
 
2022-09-19 1:31:33 AM  

brantgoose: The Japanese knew how to do this centuries ago. One of their largest pagodas has a large tree in the middle. It doesn't support the roof, but rather hangs from it with enough space between the log and the floor for it to swing like the clapper of a bell. It absorbs the movement from an earth quake and counters it as a sort of counter-weight the size of a douglas fir.


They've got modern tricks too.
 
2022-09-19 1:33:56 AM  
 
2022-09-19 1:36:24 AM  

Markoff_Cheney: Lady J:
I for one am very disappointed

WHY DO THEY CALL IT A 90 TON CRANE THEN? OH IT CAN LIFT 90 TONS IF THOSE 90 TONS ARE A FOOT FROM THE CRANE AND THE JIB IS FULLY RETRACTED? 
WELL FARK ME, THE TRUCK DOESN'T EVEN WEIGH 90 TONS!


I'm not interested in excuses.
 
2022-09-19 1:39:21 AM  
Not to put a damper on all this, but this earthquake was about as far away from Tapei 101 as the west gate of Yosemite is from San Francisco.

https://earthquake.usgs.gov/earthquakes/eventpage/us7000i90q/map
 
2022-09-19 1:39:41 AM  

bloobeary: Somewhere, an engineer just high-fived another engineer.


which caused typhoon next year
 
2022-09-19 1:40:06 AM  

Gubbo: Markoff_Cheney: Lady J: Markoff_Cheney: I hadn't ever dug into why they called em that and now I feel dumb even though my family has been working steel since it was Ironwork.

I for one am very disappointed

WHY DO THEY CALL IT A 90 TON CRANE THEN? OH IT CAN LIFT 90 TONS IF THOSE 90 TONS ARE A FOOT FROM THE CRANE AND THE JIB IS FULLY RETRACTED? 
WELL FARK ME, THE TRUCK DOESN'T EVEN WEIGH 90 TONS!

We also now know why I am not the crane operator for my cousin's company.

Mistakes were made?


A random incident or two might have occurred involving the foreman's truck and the 69th floor...
 
2022-09-19 1:45:47 AM  

puffy999: So what happens if the ball drops?


Happy New Year!!!!
 
2022-09-19 1:48:03 AM  
While that IS pretty cool, I hope we manage to get rid of our infatuation of really tall skyscrapers. They don't really make cities better and make the nasty things (like fire) a not nastier.
 
2022-09-19 2:02:50 AM  

Markoff_Cheney: Always enjoy stumbling upon a new reddit sub I hadn't seen yet, this video is fantastic on the Interesting As Fark scale.


I think it's a bold move for Fark to start linking directly to Reddit.  Normally they wait until some other website takes their content, repackages it, and then links to that.
 
2022-09-19 2:38:26 AM  

Markoff_Cheney: Lady J: Markoff_Cheney: I hadn't ever dug into why they called em that and now I feel dumb even though my family has been working steel since it was Ironwork.

I for one am very disappointed

WHY DO THEY CALL IT A 90 TON CRANE THEN? OH IT CAN LIFT 90 TONS IF THOSE 90 TONS ARE A FOOT FROM THE CRANE AND THE JIB IS FULLY RETRACTED? 
WELL FARK ME, THE TRUCK DOESN'T EVEN WEIGH 90 TONS!

We also now know why I am not the crane operator for my cousin's company.


Could a 90 ton crane lift a 90 ton air conditioner?
 
2022-09-19 3:41:32 AM  

neaorin: While that IS pretty cool, I hope we manage to get rid of our infatuation of really tall skyscrapers. They don't really make cities better and make the nasty things (like fire) a not nastier.


Better than suburban urban sprawl.
 
2022-09-19 3:54:03 AM  

neaorin: While that IS pretty cool, I hope we manage to get rid of our infatuation of really tall skyscrapers. They don't really make cities better and make the nasty things (like fire) a not nastier.


Obviously you never built an Arcology in SimCity 2000.

Away with your arcology hating.
 
2022-09-19 5:50:11 AM  

leeksfromchichis: neaorin: While that IS pretty cool, I hope we manage to get rid of our infatuation of really tall skyscrapers. They don't really make cities better and make the nasty things (like fire) a not nastier.

Better than suburban urban sprawl.


Maybe, but those aren't the only two options. Beyond a certain height lie diminishing returns.
 
2022-09-19 6:15:38 AM  

neaorin: leeksfromchichis: neaorin: While that IS pretty cool, I hope we manage to get rid of our infatuation of really tall skyscrapers. They don't really make cities better and make the nasty things (like fire) a not nastier.

Better than suburban urban sprawl.

Maybe, but those aren't the only two options. Beyond a certain height lie diminishing returns.


True, but a six or seven story
 
2022-09-19 6:31:28 AM  

brantgoose: The Japanese knew how to do this centuries ago. One of their largest pagodas has a large tree in the middle. It doesn't support the roof, but rather hangs from it with enough space between the log and the floor for it to swing like the clapper of a bell. It absorbs the movement from an earth quake and counters it as a sort of counter-weight the size of a douglas fir.


https://gizmodo.com/how-japans-oldest-wooden-building-survives-giant-earthq-5846501

article has the details and literally references this tower at the end
I learned something today, thanks!
 
2022-09-19 7:07:21 AM  

markie_farkie: [Fark user image image 850x637]

My hotel view of 101 in 2017.

One gigantic ball is all your enormous wang needs.


pbs.twimg.comView Full Size
 
2022-09-19 8:04:19 AM  

UNC_Samurai: markie_farkie: [Fark user image image 850x637]

My hotel view of 101 in 2017.

One gigantic ball is all your enormous wang needs.

[pbs.twimg.com image 474x460]


I remember that. End of his career.
 
2022-09-19 8:13:19 AM  

neaorin: While that IS pretty cool, I hope we manage to get rid of our infatuation of really tall skyscrapers. They don't really make cities better and make the nasty things (like fire) a not nastier.


boredpanda.comView Full Size
 
2022-09-19 8:42:03 AM  
Skyscraper
Youtube KuChGS_GBws
 
2022-09-19 8:45:25 AM  

Markoff_Cheney: Lady J: Markoff_Cheney: I hadn't ever dug into why they called em that and now I feel dumb even though my family has been working steel since it was Ironwork.

I for one am very disappointed

WHY DO THEY CALL IT A 90 TON CRANE THEN? OH IT CAN LIFT 90 TONS IF THOSE 90 TONS ARE A FOOT FROM THE CRANE AND THE JIB IS FULLY RETRACTED? 
WELL FARK ME, THE TRUCK DOESN'T EVEN WEIGH 90 TONS!

We also now know why I am not the crane operator for my cousin's company.


Fark user imageView Full Size
 
2022-09-19 9:16:20 AM  

Markoff_Cheney: I've been careless here, while the 100 ton crane can lift 100 ton, there are a ton of calculations that go into the length of boom, the angle, etc. It weighs 118,000 or so lbs.

I hadn't ever dug into why they called em that and now I feel dumb even though my family has been working steel since it was Ironwork.


Some workers likely shat themselves at my last job site when a ~20,000 kg concrete panel, at the very far reach of the crane, caused the main strap to break. Fortunately there's always a backup strap, which saved the day. This was about 250 feet above the ground, on a crowded site.

Not that it matters but I think that was a 500t mobile crane
 
2022-09-19 9:25:00 AM  

Enigmamf: Not to put a damper on all this, but this earthquake was about as far away from Tapei 101 as the west gate of Yosemite is from San Francisco.

https://earthquake.usgs.gov/earthquakes/eventpage/us7000i90q/map


How many Rhode Islands is that?
 
2022-09-19 9:28:22 AM  
Pretty farking cool, thanks subby
/Never made it to the original, but went to a Din Tai Fung restaurant location at the base of Taipei 101, it was awesome
 
2022-09-19 9:47:47 AM  

leeksfromchichis: leeksfromchichis:

[encrypted-tbn0.gstatic.com image 400x400]


As an architect who specializes in high rises, this graphic is totally useless. There's literally no information and terms like "birdcage" have no meaning at all. It's like an engineer explained it to a reporter, ego explained it to a graphic designer, neither of whom have the technical understanding to pull it off.

/sorry not sorry
 
2022-09-19 10:41:19 AM  
I wonder how hot the dampers got dissipating that energy.
 
2022-09-19 11:44:05 AM  
If this tower is rockin don't bother knockin...
 
2022-09-19 12:28:04 PM  
I was there in July 2019.  Here's a close-up to get a sense of the size of that big ball.

Fark user imageView Full Size
 
2022-09-19 12:57:55 PM  

Markoff_Cheney: The Lance Armstrong of building earthquake mitigation!


It's on drugs and lied about it?
 
2022-09-19 1:24:28 PM  
I remember a while back reading about a high rise building that they did this with an entire floor of the building, the whole floor was the main mechanical equipment room and all the equipment (and the water that it held) provided the weight needed, but my googlefu is lacking today and I can't find anything, and it may have just been a 'concept' type article
 
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