Sharp curves surface?

mattech · Oct 16, 2017

I've noticed lately on alot of back roads with sharp curves they are resurfacing only the curved portion with a different material than asphalt. Almost looks like a very course sandpaper. Does anyone know much about this, I'm just curious about it

lagrangedave · Oct 16, 2017

Pervious concrete?

mattech · Oct 16, 2017

Not concrete, I stopped at a curve and looked at it. It's very small round pebbles, about the size of a bb and smaller. And it looks like it's held down with a glossy type paint.kind of hard to explain, until you see it.

sparky · Oct 16, 2017

they put it on 60 between morganton and suches in some curves,trying to keep 2 wheelers from sliding,i guess

T-N-T · Oct 16, 2017

That surface and some Z rated tires = good times

naildrvr · Oct 16, 2017

I noticed it here in Thomaston on SR 36. This has a brown look unlike the black asphalt.

lagrangedave · Oct 16, 2017

You just described pervious concrete..............

mattech · Oct 16, 2017

naildrvr said:
I noticed it here in Thomaston on SR 36. This has a brown look unlike the black asphalt.

That's where I noticed it the most, I was driving between thomaston and Waverly hall. That's a very curvy road, and they have it on about every curve.

mattech · Oct 16, 2017

lagrangedave said:
You just described pervious concrete..............

Maybe, I'm.not sure, but you can tell it's a thin layer they put on top of the asphalt.

Miguel Cervantes · Oct 16, 2017

lagrangedave said:
You just described pervious concrete..............

Found it. It's a high traction epoxy base.

https://www.fhwa.dot.gov/publications/publicroads/08july/05.cfm

swampstalker24 · Oct 16, 2017

I think they call it "chip sealing" around my parts. They basically lay down on new layer of asphalt then cover it with small rock, let it dry then sweep away the excess.

mattech · Oct 16, 2017

Miguel Cervantes said:
Found it. It's a high traction epoxy base.

https://www.fhwa.dot.gov/publications/publicroads/08july/05.cfm

Looking at the picture on that link, that is definitely it. Pretty cool stuff, but I bet it would make for horrible road rash.

ddgarcia · Oct 16, 2017

It is called chip sealing. Spray a layer of Asphalt Oil then coat with rock chips. Cheap resurface job. Helps traction and prolongs the life of the road assuming the base is good

NOYDB · Oct 16, 2017

mattech said:
Looking at the picture on that link, that is definitely it. Pretty cool stuff, but I bet it would make for horrible road rash.

It does. Picked the little gravel out of my kneecaps with some needle nose pliers after dropping my bike. Thirty plus years latter still have scars.

Hilsman · Oct 17, 2017

They have that mess up most of 212. It was like riding on a gravel road until they got it cleaned up 3 weeks after they put it down

bassboy1 · Oct 17, 2017

I've heard the term tar and chip.

They've been doing the bridges up I-75 in the Cartersville area - both on the interstate bridges over the river and the exit bridges over the interstate.

naildrvr · Oct 17, 2017

mattech said:
That's where I noticed it the most, I was driving between thomaston and Waverly hall. That's a very curvy road, and they have it on about every curve.

They needed it. With all those curves, there has been some nasty wrecks on that stretch of highway.

hancock husler · Oct 17, 2017

Actually it's a polymer overlay. Epoxy bade and speed withe pea stone. See it mostly on old bridges and approach slabs

mattech · Oct 19, 2017

Interesting

Sharp curves surface?

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