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The Wobbly Millennium bridge reopens

By imrdkl in Technology
Sat Feb 23, 2002 at 10:30:02 PM EST
Tags: News (all tags)
News

Perhaps you've noticed the logo at the top of the Kuro5hin frontpage?

Well, this is a story about a wobbly bridge that survived...


The Millennium Bridge in London reopened last friday. The bridge was closed last year, after the opening day crowds caused the bridge to begin "wobbling". The oscillation was reported to be somewhere between 70mm and 20cm, depending upon which account you read.

The bridge was fixed for the price of Pounds 5m, using 90 large damping devices. It was affectionately named the "wobbly" by Londoners after the opening last year.

The bridge was engineered by a firm named Arup. Needless to say, these engineering consultants were just a bit embarassed by the flaw, but it seems they've worked hard to stabilize the bridge, and restore their reputation. They've put together an excellent website which discusses in depth the oscillation, as well as it's cause (sideways force vector from ordinary walking).

Good reading for anyone interested in wobbly bridges, anyways.

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Poll
Wobbly bridges are
o fun 52%
o dangerous 5%
o not made anymore 3%
o Too US-Centric 37%

Votes: 87
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Related Links
o Kuro5hin
o Millennium Bridge
o reopened
o fixed
o affectiona tely named
o Arup
o excellent website
o Also by imrdkl


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The Wobbly Millennium bridge reopens | 10 comments (4 topical, 6 editorial, 0 hidden)
Information on Bridge in K5 Logo (4.66 / 3) (#1)
by rajivvarma on Sat Feb 23, 2002 at 05:20:18 PM EST

For anyone who's interested, here's a link from the FAQ that has additional information on the K5 logo: http://www.kuro5hin.org/?op=special;page=random#bridge.
Rajiv Varma
Mirror of DeCSS.

I was there (4.00 / 1) (#7)
by gidds on Sun Feb 24, 2002 at 12:34:54 PM EST

I walked across it on Friday (night, after some of the crowds had died down).  It's probably more impressive when viewed from land; to walk across, it's simply a large curved walkway, with odd metal rods at various points projecting out over the water.  Nice, though.

And no wobble that I could detect, so I guess the remedial work was a success!

Andy/

Bah (none / 0) (#10)
by I Am A Troll So There on Mon Feb 25, 2002 at 12:09:36 PM EST

And no wobble that I could detect, so I guess the remedial work was a success!

Just because it didn't happen when you were there doesn't mean it won't ever happen again. We're dealing with engineers here... oh wait, that's not the same as marketroids. Oops, sorry.

[ Parent ]

most importantly... (4.33 / 3) (#9)
by kimpton on Mon Feb 25, 2002 at 04:19:09 AM EST

...it links the bustle of The City with the more relaxed South Bank, without having to go across with the traffic on the other bridges. What more could a tourist want? St Pauls Cathedral then a quick stroll across the river to the fantastic Tate Modern...

The Wobbly Millennium bridge reopens | 10 comments (4 topical, 6 editorial, 0 hidden)
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