Polymer used as binding agent on road surfaces?
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    green and red man's Avatar
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    Question Polymer used as binding agent on road surfaces?

    Are there any members on here that are familiar with a type of polymer that's used to fuse rock or gravel road surfaces together?

    There was a program on tv that showed a particular road in a remote part of Canada that is a lifeline to the communities. It's the only way in or out and doesn't hold up well to the freeze and thaw cycles. It had to be redone every year and was treacherous at times.

    Don't recall all the finer details, but the road was packed and leveled and all the holes filled. A crushed rock was spread evenly and again packed. Then, water trucks with some type of polymer was introduced or mixed with the water in the tanks. This mixture was then sprayed onto the road surface. After it dried, the molecular structure of the polymer fused the rocks together. To demonstrate what the polymer does, a person with a sledgehammer deliberately swung at the road surface and it was as though the road was concrete. The sledgehammer just bounced off the road.

    A year later the film crew returned and the road surface still looked new.

    Anyone familiar with this polymer stuff? Sounds expensive.

    That was the first and last time I've heard anything about it.



    Last edited by green and red man; 02-18-2013 at 07:18 PM.

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    Scotty370's Avatar
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    Info here? (Maybe?) Thunder Mountain Enterprises, Inc. » Polymer Stabilized Road Surfaces ~Scotty (Just Surfing-No personal experience) ~S

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    green and red man's Avatar
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    Thanks Scotty. That's a cool link. Hope this will become a good alternative to asphalt. I didn't know the road had to be repacked after applying the polymer and water mixture.
    Had thought it would have become common by now in the states. Should be a lot cooler than the black asphalt roads. On high traffic asphalt roads here, they get so hot in the summer and late spring that especially on tight turns where drivers refuse to slow down, the road melts and kind of slides sideways. Looks like ripples. Makes for a rough ride.




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    rgd
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    This may be the same stuff I saw Bob whatshisname using on "This Old House". The show was in Arizona and they used it on the yardscape. They made a design using gravel for the yard and the flower beds had a different color gravel .if I remember correctly, to help differentiate. Once they had it like they wanted , they applied a resin. They didnt have to worry with yardwork anymore.
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    green and red man's Avatar
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    Thanks for mentioning that rgd. I don't remember all of those episodes, so will probably have to try and look them up.




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