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Thread started 13 Sep 2019 (Friday) 16:27
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Bridges?

 
avondale87
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Post edited 15 days ago by avondale87.
     
Nov 23, 2022 13:44 |  #286

windpig wrote in post #19448881 (external link)
Wow, that's like wearing a belt and suspenders at the same time.:-P

Here's an old photo linked from https://www.victorianp​laces.com.au/node/6449​7 (external link)
Testing the Moorabool viaduct 1894

IMAGE: https://www.victorianplaces.com.au/sites/default/files/styles/watermarked/public/exhibits/JYB0432.jpg?itok=ekz77gxU


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windpig
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Nov 23, 2022 15:14 |  #287

avondale87 wrote in post #19449436 (external link)
Here's an old photo linked from https://www.victorianp​laces.com.au/node/6449​7 (external link)
Testing the Moorabool viaduct 1894

QUOTED IMAGE

they don't build things like they use to:-P


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fotoi
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Nov 23, 2022 19:46 |  #288

Talbrücke Obere Argen, Germany. https://commons.wikime​dia.org …albr%C3%BCcke_O​bere_Argen (external link)


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Eidelweiss
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Nov 24, 2022 06:06 |  #289

avondale87 wrote in post #19449436 (external link)
Here's an old photo linked from https://www.victorianp​laces.com.au/node/6449​7 (external link)
Testing the Moorabool viaduct 1894

QUOTED IMAGE


Very scientific process...:-D:rolleyes::-D


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Chimper. There, I said it.
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Capn ­ Jack
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Nov 24, 2022 07:34 |  #290

fotoi wrote in post #19449519 (external link)
Talbrücke Obere Argen, Germany. https://commons.wikime​dia.org …albr%C3%BCcke_O​bere_Argen (external link)
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Hosted photo: posted by fotoi in
./showthread.php?p=194​49519&i=i136792377
forum: Architecture, Real-Estate & Buildings

That's an interesting bridge, and a nice image. From that angle, it seems the stays don't do anything to support the bridge. The link doesn't enlighten me either since the images there don't show the whole bridge.




  
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fotoi
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Nov 24, 2022 08:42 |  #291

Capn Jack wrote in post #19449695 (external link)
That's an interesting bridge, and a nice image. From that angle, it seems the stays don't do anything to support the bridge. The link doesn't enlighten me either since the images there don't show the whole bridge.

From what I can see, it looks like the cables support the deck which crosses a narrow valley. Unfortunately, I wasn’t able to get an image of the entire structure.




  
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windpig
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Nov 24, 2022 08:47 |  #292

https://commons.wikime​dia.org …Ccke_Obere_Arge​n,_12.jpeg (external link)


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Nov 24, 2022 11:19 |  #293

Harbour Bridge, Sydney


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speedync
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Nov 25, 2022 04:25 |  #294

Bridges fascinate me. The engineering & design that goes into them, all the calculations for loadings etc, & they look damn good as well. Restored rail bridge.


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speedync
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Nov 25, 2022 04:27 |  #295

Old & new


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avondale87
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Nov 25, 2022 05:26 |  #296

speedync wrote in post #19449934 (external link)
Bridges fascinate me. The engineering & design that goes into them, all the calculations for loadings etc, & they look damn good as well. Restored rail bridge.

Agree on all of those sentiments.
Timber bridges were, are a work of art.
I was privileged to grow up in my work environment with the government road building organisation that included bridge building.

I loved seeing the craftsmanship that went into them.
The squaring of the beams with just an adze and a squaring axe, the long hand augers for the massive bolts, latter made by our blacksmith, later machinists.
One of my jobs was to seek out suitable trees for bridges when surveying in the bush.

I still remember setting out what was probably the last timber bridge in Tasmania. The end of an era . Sadly it washed away in 2016 floods.

When I built my first house I had cathedral ceiling with 10X3" beams supported on a 15X4" beam.
The design was for ¾" bolts holding the lot together.
I asked the bridge foreman could he drill the holes through them, including the 15X4 beam.
He stood it on edge, perched himself on top and just augered down coming out exactly square and in middle of the underside. Mind blowing accuracy, all by hand.

That's a lovely example Speedync.



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speedync
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Nov 25, 2022 06:00 |  #297

The original Barwon heads/Ocean Grove bridge. After restoration.


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fotoi
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Post edited 13 days ago by fotoi. (2 edits in all)
     
Nov 25, 2022 09:45 |  #298

A wildlife crossing bridge spanning the Autobahn in Germany.


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speedync
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Nov 25, 2022 14:27 |  #299

avondale87 wrote in post #19449953 (external link)
Agree on all of those sentiments.
Timber bridges were, are a work of art.
I was privileged to grow up in my work environment with the government road building organisation that included bridge building.

I loved seeing the craftsmanship that went into them.
The squaring of the beams with just an adze and a squaring axe, the long hand augers for the massive bolts, latter made by our blacksmith, later machinists.
One of my jobs was to seek out suitable trees for bridges when surveying in the bush.

I still remember setting out what was probably the last timber bridge in Tasmania. The end of an era . Sadly it washed away in 2016 floods.

When I built my first house I had cathedral ceiling with 10X3" beams supported on a 15X4" beam.
The design was for ¾" bolts holding the lot together.
I asked the bridge foreman could he drill the holes through them, including the 15X4 beam.
He stood it on edge, perched himself on top and just augered down coming out exactly square and in middle of the underside. Mind blowing accuracy, all by hand.

That's a lovely example Speedync.

That would have been a great job avondale. Just about perfect. In the great outdoors, wandering around the bush, doing a bit of survey work, fabulous. I'm actually a bit jealous :)




  
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FLphotoguy
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Nov 25, 2022 14:27 |  #300

a trestle on the Conway Scenic Railroad in New Hampshire


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Bridges?
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