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Old 22nd September 2012, 02:59 AM   #11
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It doesn't look very musical. If all cables contribute the same upward force, how are their frequencies related?
Toumani Diabaté - Cantelowes live at El Real Alcazar - YouTube

I know it's small, but I still found this scary

mayl 2003 - my london diary

on a motorcycle in a howling wind, because it looks so flimsy and there's not much to stop you falling off. I figured that the frequency of each cable must be similar, so if they all resonate in alternate phase, the deck would ripple and snap in the middle and concertina towards the pillars.

Dirt cheap and easy to monitor and maintain, by the looks. No hollow sections or buried cables. Perhaps it's the kind of thing that analysis has recently become able to pronounce safe?

Another scary example

Millau Viaduct - Wikipedia, the free encyclopedia
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Old 22nd September 2012, 03:34 AM   #12
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mayl 2003 - my london diary

That's a smaller version. We have those too, as mentioned it's a popular style. The ones around that are single and double cable include both auto and train bridges:
File:AlexFraserBridge.jpg - Wikipedia, the free encyclopedia
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Google Image Result for http://farm2.static.flickr.com/1295/751626532_c764d34e15.jpg
North Arm Bridge, Vancouver | Flickr - Photo Sharing!
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Old 22nd September 2012, 05:13 AM   #13
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I never knew that the Sydney Harbour bridge (up till now) was the widest long span bridge in the world! I've travelled over it many times. All the more impressive when you consider when it was built!

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Old 22nd September 2012, 06:24 AM   #14
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Not a widest bridge... but certainly a bridge story. Just after last year of University me & the GF were coming down the 101 (from the Notyh) into San Fransisco, it was my 1st visit, it was after sunset and it was foggy... "the Golden Gatr bridge has to be coming up soon, oh there are the tool booths, here it is". Wasn't long before we realized that the toll booths were on the south end of the bridge. We did go back and do it on a sunny day.

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Old 26th September 2012, 07:00 AM   #15
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mostly live golden gate bridge cam -

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Quote:
Originally Posted by PlasticIsGood View Post


If all cables contribute the same upward force,

how are their frequencies related?

i have no idea.

as an uneducated guess,

i'm confident that they will all be tuned before the bridge is opened ...

Construction Cams | Bay Bridge Info


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Old 19th October 2012, 08:57 AM   #16
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Hahah!
Bridges!

I read it "Widest Bride in the world"

Very disappointed :-D
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Old 19th October 2012, 08:59 PM   #17
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lol
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Old 10th November 2012, 02:22 AM   #19
Pano is offline Pano  United States
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Wasn't long before we realized that the toll booths were on the south end of the bridge. We did go back and do it on a sunny day
Summer time? The bridge can really get lost on a foggy summer or fall day. Hope you enjoyed it on your return visit. It's fun to walk across, too.
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Old 10th November 2012, 06:40 AM   #20
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Would have been June. GF & i drove down after we finished university.

dave
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