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Parramatta Stadium Rebuild and other stuff

T.S Quint

Coach
Messages
15,525
I'm guessing it has to do with there being more facilities in the Western stand.

Actually, I'm not guessing. I just read what Suity wrote.

Ah, right.

So it was a stupid question then.
Then again, I can't just go around reading all of Suity's posts. He'll accuse me of being another Bartman alt!
 

Suitman

Post Whore
Messages
56,827
Ah, right.

So it was a stupid question then.
Then again, I can't just go around reading all of Suity's posts. He'll accuse me of being another Bateman alt!

You can read as many as you like. I'm here to offer information on the re-build because construction is a passion of mine. And no, it wasn't a stupid question.
I'm sure you won't be a complete dick about them though like the former poster on here Bartman always was.
By the way, I wonder where he is? He hasn't posted for a while. :)
 

Suitman

Post Whore
Messages
56,827
Can't remember exactly. Something to do with the movement or vibrations. Basically to see if the structure could withstand the force of everyone jumping. Some engineer was worried it may not take it. Everything was fine.

I wonder who commissioned for that report to be initiated?
How f**king stupid!!!
The place was built with a full concrete framework which has less deflection for live loads than a steel framework.
What would be the difference from a full stand doing the Poznan compared to say, an Eels try in the last minute of a semi final to win a game? The loads would be similar.
I can tell you from experience that the stands at Central Coast Stadium (which was built with a similar steel frame as what our new stadium is currently) actually does bounce up and down. I've felt it myself.
Engineers take these sort of excessive live loads into account when designing stadiums.
What a waste of f**king money that report would have been.
As I said, I've felt the CCS stands moving up and down. Never felt it at Parra Stadium.
@Twizzle
 

I bleed blue & gold

First Grade
Messages
8,867
I wonder who commissioned for that report to be initiated?
How f**king stupid!!!
The place was built with a full concrete framework which has less deflection for live loads than a steel framework.
What would be the difference from a full stand doing the Poznan compared to say, an Eels try in the last minute of a semi final to win a game? The loads would be similar.
I can tell you from experience that the stands at Central Coast Stadium (which was built with a similar steel frame as what our new stadium is currently) actually does bounce up and down. I've felt it myself.
Engineers take these sort of excessive live loads into account when designing stadiums.
What a waste of f**king money that report would have been.
As I said, I've felt the CCS stands moving up and down. Never felt it at Parra Stadium.
@Twizzle

IIRC they tested during Parra and WSW games and found that during the Poznan there was more movement or whatever and that it wasn’t built to take thousands of people jumping up and down so they wanted to be sure.

But yeah, th main consensus was it would be fine and it was. Just like the main consensus was th stadium didn’t need to be demolished...
 
Last edited:

Gary Gutful

Post Whore
Messages
53,881
Lets just hope no-one starts doing Tae Bo.

https://www.geek.com/geek-cetera/ko...m-17-middle-aged-people-doing-tae-bo-1405157/

Korean skyscraper shakes from 17 middle-aged people doing Tae Bo
By Jennifer Bergen 07.21.2011 :: 4:01AM EST
technomart-262x352.jpg


Earlier this month, TechnoMart, a 39-story skyscraper in Seoul, South Korea was evacuated after its occupants felt the building shake for about 10 minutes. However, there was no seismic activity at the time of the tremors, which left many scientists puzzled for the past two weeks. So, what caused the building to shake so much? Apparently, it was a group of 17 middle-aged people doing Tae Bo.

The group of people doing Tae Bo, which is a mixture of aerobics and Taekwondo made popular by fitness instructor Billy Blanks, caused the top floors to feel the tremors while listening to Snap’s “The Power,” a huge hit from 1990.

Scientists later recreated the event (which makes us chuckle as we imagine lab-coat wearing scientists doing Tae Bo) and found the same result. The gym is on the 12th floor, and Chung Lan, a professor of architectural engineering at Dankook University, said that the “vibration cycle caused by Tae Bo collided with the vertical vibration cycle unique to the building.”

Lee Dong-guen, an architectural professor at Sungkyunkwan University who helped conduct the experiment, said that the upper floors of the building vibrated at ten times the normal level while the scientists were doing upper-cuts and roundhouse kicks. This is apparently a phenomenon called resonance, which always results in a large vibration. The scientists are still examining the issue further, but are confident that the shaking came from the Tae Bo workout

TechnoMart gets about 50,000 visitors daily but was closed for two days after the incident. The building itself is said to be structurally sound, so it seems the only thing necessary is a sign on the gym that says “No Tae Bo.”

via CNN and Wall Street Journal Korea
 

Gary Gutful

Post Whore
Messages
53,881
https://www.cbsnews.com/news/collapse-at-brazil-stadium-kills-7-fans/

Collapse At Brazil Stadium Kills 7 Fans
image3539127x.jpg

A hole is seen in a section of stands at the Fonte Nova soccer stadium in Salvador, northeastern Brazil, Sunday, Nov. 25, 2007. Eight people died after a section of stands at a soccer stadium in northeastern Brazil gave way as fans cheered at the end of a game, police said. (AP Photo/Welton, Agencia O Globo) ** BRAZIL OUT **
At least seven soccer fans died Sunday after a section of stands collapsed at a stadium in northeastern Brazil criticized for its crumbling infrastructure, sending the victims plunging to the ground from the venue's highest bleachers.

The victims fell through a hole that suddenly opened beneath their feet at the Fonte Nova stadium in the coastal city of Salvador as fans jumped up and down at the end of a game.

Police initially said eight people were killed, but the government news service of Bahia state where Salvador is the state capital on Monday said seven died and several were severely injured.

Police Maj. Edmilson Tavares said it was not clear what caused the collapse, but the 56-year-old stadium was recently highlighted as the worst of 29 soccer venues across Latin America's largest nation in a survey conducted by a Brazilian association of engineers and architects.

The accident happened as the game ended, when fans of the Bahia soccer team went into a wild celebration, storming the field because their team managed a goalless draw with Vila Nova, securing Bahia a place in the nation's second division.

Fans were jumping up and down in glee when a hole measuring several yards wide opened in the concrete floor of the stand. The victims fell several stories to the ground.

About 60,000 people were at the stadium for the game, and many didn't realize that the section of bleachers had given way as they invaded the field in celebration.

The stadium was built in 1951, and the soccer stadium survey released last month by Brazil's Sinaeco association of architects and engineers said Fonte Nova's stands were "in ruins."

The group's report also featured pictures of crumbling support beams under the stands, and characterized Fonte Nova overall in "pitiful state, (with) no comfort or security for users."

The survey was conducted because Brazil will host the 2014 World Cup, and the association wanted to give authorities an idea of what sort of improvements are needed to make the tournament a success. Salvador would almost certainly get some of the games.

Brazil, which has won a record five World Cups, was awarded the right last month to host the 2014 tournament by FIFA, soccer's governing body. Latin America's largest country hosted the competition once before, in 1950.

The state governor of Bahia state, Jacques Wagner, ordered the Fonte Nova stadium closed while authorities investigate the cause of the accident.

:copyright: 2007 The Associated Press. All Rights Reserved. This material may not be published, broadcast, rewritten, or redistributed.
 

Gary Gutful

Post Whore
Messages
53,881
I wonder who commissioned for that report to be initiated?
How f**king stupid!!!
The place was built with a full concrete framework which has less deflection for live loads than a steel framework.
What would be the difference from a full stand doing the Poznan compared to say, an Eels try in the last minute of a semi final to win a game? The loads would be similar.
I can tell you from experience that the stands at Central Coast Stadium (which was built with a similar steel frame as what our new stadium is currently) actually does bounce up and down. I've felt it myself.
Engineers take these sort of excessive live loads into account when designing stadiums.
What a waste of f**king money that report would have been.
As I said, I've felt the CCS stands moving up and down. Never felt it at Parra Stadium.
@Twizzle
I think IBB&G is just referring to some basic monitoring/tests rather than an exorbitant 'report'.

You are correct about concrete stadiums being better equipped to deal with live loads than a steel framework.

However, there is absolutely no way that the mechanical resonance created by sustained 'jumping up and down' is in the same ball park of everyone getting excited when the eels score a try to win a semi final (which is a once in a blue moon event).

The stadium was built 30 years ago and at the time I doubt people were envisaging sustained "jumping up and down" being a thing.

Granted, the risk of any damage is probably low but there may have been some uncertainty around this. If some simple (and cheap) monitoring was able to remove that uncertainty and confirm that the risk was indeed low then I then I think it was a very sensible decision.
 

strider

Post Whore
Messages
79,165
I think IBB&G is just referring to some basic monitoring/tests rather than an exorbitant 'report'.

You are correct about concrete stadiums being better equipped to deal with live loads than a steel framework.

However, there is absolutely no way that the mechanical resonance created by sustained 'jumping up and down' is in the same ball park of everyone getting excited when the eels score a try to win a semi final (which is a once in a blue moon event).

The stadium was built 30 years ago and at the time I doubt people were envisaging sustained "jumping up and down" being a thing.

Granted, the risk of any damage is probably low but there may have been some uncertainty around this. If some simple (and cheap) monitoring was able to remove that uncertainty and confirm that the risk was indeed low then I then I think it was a very sensible decision.
Marine biologists would know all about this

But seriously, agree ... imagine the outrage IF the unlikely event that something bad did happen and they had done nothing to check
 

Gary Gutful

Post Whore
Messages
53,881
Marine biologists would know all about this
Its no different to when myself and @Bazal round up all of our colleagues on a Friday evening and get on the sauce. It often ends in us all jumping up and down on a whale in the name of 'research'. Baz insists we take our pants off.
 

forward pass

Coach
Messages
10,239
IIRC they tested during Parra and WSW games and found that during the Poznan there was more movement or whatever and that it wasn’t built to take thousands of people jumping up and down so they wanted to be sure.

But yeah, th main consensus was it would be fine and it was. Just like the main consensus was th stadium didn’t need to be demolished...

lol

If you have ever actually been part of the poznan, it is basically a bunch of people turning around and bouncing up and down. People don't actually jump, they just bounce up and down without lifting heir feet. Who the f**k has the energy or fitness to actually jump up and down for a whole minute !! f**k that !

I agree with Suit - what a ridiculous study.
 

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