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Under the railroad on Tunnel Road
Mar 11, 2020 12:38:27   #
Stephan G
 
Using HDR to bring out the interesting road.

Height of tunnel is "14 FEET".



(Download)

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Mar 27, 2020 22:09:59   #
DickC Loc: NE Washington state
 
Interesting concept!

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Mar 27, 2020 22:40:29   #
Stephan G
 
DickC wrote:
Interesting concept!


They support a two lane road right next to the rail line. The next time I'm in the area, I will try to get a shot from the road.

Thanks for checking and the comment.

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Apr 24, 2020 09:53:17   #
DukeTarHeel Loc: NC's "Research Triangle"
 
My first thought was "collapse!"; I've never seen a rail overpass without apparent structural support. Would love to see the engineering plans for this construct. Nice shot.

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Apr 24, 2020 10:38:53   #
Stephan G
 
The idea of arches as support structures goes back a long way.

I believe that the corrugated tubes were easily attained for such uses.

A thought bubble just burst! I vaguely recall something of this nature in regards of building the Chunnel across the English channel. As to why the dig was circular/tubaler. (Did a quick google, but could not form the correct question.)

Thanks for the checking and the comment.

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