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Old 01-15-2014, 12:12 PM   #21
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Here is a person asking why they don't move the deer crossings to a safer location. I'm serious, and so is the caller! LOL

Please move the deer crossing
OMG! I missed this first time through thread!
Dude, I am laughing so hard, I'm tearing!
What a scream!!!!!
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Old 01-15-2014, 03:01 PM   #22
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It's a Con/Span bridge that will soon have embankment leading up on each side to build approaches for a road to go over.
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Old 02-04-2014, 02:22 PM   #23
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Just had to share a follow up... this is from my calendar for February. Reinforced Earth is the company that provides us MSE (mechanically stabilized earth) wall panels.

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Old 02-04-2014, 03:05 PM   #24
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Just had to share a follow up... this is from my calendar for February. Reinforced Earth is the company that provides us MSE (mechanically stabilized earth) wall panels.

Attachment 45800
So if I am reading correctly,those panels are made of compressed earth/dirt and not concrete?
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Old 02-05-2014, 08:33 AM   #25
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No the panels themselves are reinforced concrete, only about 6" thick. They are attached to metal "straps" that are placed in the dirt fill. The resistance of the straps in the compacted fill holds it all in place, the walls mostly serve a decorative purpose. Fascinating stuff.

Here's a cross section:


Here's an example of what it looks like behind the wall:
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Old 02-05-2014, 08:37 AM   #26
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And now you know what you're driving on.
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Old 02-05-2014, 12:11 PM   #27
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No the panels themselves are reinforced concrete, only about 6" thick. They are attached to metal "straps" that are placed in the dirt fill. The resistance of the straps in the compacted fill holds it all in place, the walls mostly serve a decorative purpose. Fascinating stuff.

Here's a cross section:


Here's an example of what it looks like behind the wall:
Thanks - I never knew that before.
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Old 02-06-2014, 11:35 AM   #28
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Hope they did extensive study on the decay factors for the galvinized straps laid in dirt, that retains a certain moisture 24/7. Looks way cheaper than conventional constuction though. Does anybody know the completion, cost factor compaison, involved with this bridge application over conventional poured deck bridge.
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Old 02-06-2014, 01:52 PM   #29
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MSE walls have been in existence since the 1960's. The backfill in the strap zone is a select fill that drains well. They are built all over the world and in pretty much every intersection built today. You probably don't even notice them. Extensive studies have been completed by almost every testing organization there is out there.

Today, they even use geosynthetics for straps, but they are more difficult to place.

Do you really want to know cost differences? LOL. Because I'm a civil engineer and estimator. It's what I do for a living.
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Old 02-06-2014, 01:53 PM   #30
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I have a feeling the structure originally posted was selected for the purpose of building an earthen bridge for wildlife to pass over. Which makes more sense than a concrete bridge.
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Old 02-06-2014, 08:29 PM   #31
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Just a general cost difference is what I meant. It looks cheaper, but don't really know.
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Old 02-07-2014, 02:11 PM   #32
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On Highway 101 along the northern WA coast, they have the warning light system for several miles. They went for the more complex system because the animals crossing the road are elk, and you sure don't want to hit any of those, particularly if they're in a herd.
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Old 02-07-2014, 02:32 PM   #33
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We came acrossing several of these in Banff National Park in Alberta this summer. The entire road was fenced off forcing the critters to cross the highway on the "ecoducts". http://www.outgoingtides.net/wp-cont...e-crossing.jpg
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Old 02-10-2014, 03:58 PM   #34
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Here in Florida, culverts are often built for alligator crossings.

Or for snowbirds in their golf carts. LOL.

Both are just as much of a nuisance.
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Old 02-10-2014, 06:11 PM   #35
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Or for snowbirds in their golf carts. LOL.

Both are just as much of a nuisance.
HEY!!! I resemble that remark!!!
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