What is with the gravel
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fixing the roads. If you ever look at older asphalt you will see that it is just a bunch of compacted gravel. They lay down tar, then put gravel on top and once the excess gravel is gone then they (sometimes) put more new tar on, and there you have it, more new road.
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^^^there you go cheap roads all always good...
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Fargo wrote:
Do you guys make this stuff up as you go or what????Sometimes, which part of the post are you refering to?
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I am avoiding those roads like the plague, but my g/f lives on 10th so thats kind of a pain in the rump. Thanks for the info though!
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tjamz wrote:
Sometimes, which part of the post are you refering to?Everyone's post. I did steal this
Chip sealing is one of the oldest methods and most successful of road surfacing. In many countries it is used for high volume roads. In USA it is used for pavement preservation and rehabilitation.
A chip seal is an application of a binder in the form of an emulsion or hot spray or sometimes cutback and an application of an aggregate as close to single size as possible.
The aggregate is the running surface of road so factors of shape, grading, stone embedment and amount of binder are critical. As are application conditions and stone cleanliness.
What is it used for?
Chip Seals are used for restoring skid resistance , protecting a surface from aging, restoring a running surface, eliminating dust, sealing gravel pavements. Special binder types can be used to treat reflection cracking.
Are there different types?
Different stone sizes give different surface textures and are use for different traffic situations these may range from sand, 7mm(1/4 inch), 10mm ( about ½ inch), 14mm ( about ½ inch) 20mm ( about 4/5 inch) and 25mm ( 1 inch).They are used for different applications.
Binders are selected for the type of job. Binders may be emulsified asphalt or other material, emulsified polymer asphalt, latex modified emulsified asphalt, rejuvenating oil modified asphalt emulsions or hot applied binders with asphalt rubber or polymers.
Seal types include, sand seals for low traffic roads and paths, reseals for existing pavements, modified seals for cracked pavements, multiple coat seals for heavy traffic areas or where a smoother surface is required.
VSS will advise on the type of seal that is suitable.
How is Chip Sealing done?
Chip Sealing is a three stage process, after the surface has been prepared by patching, crack filling ( if required) a spray of binder is applied via a computer controlled calibrated spray unit.Then a layer of chippings is applied using a computer controlled and calibrated self propelled chip spreader.
The final operation is several passes from a mulityred roller.
The road is usually opened to traffic after sweeping or may be opened to slow moving traffic almost immediately.
What does it do?
Chip Seals protect and preserve, and extend pavement life. This results in a pavement that is better to drive on, look at and will cost less in the long run. -
darkelvis wrote:
fixing the roads. If you ever look at older asphalt you will see that it is just a bunch of compacted gravel. They lay down tar, then put gravel on top and once the excess gravel is gone then they (sometimes) put more new tar on, and there you have it, more new road.I like this one best
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I haven't been on any of the resurfaced roads in town yet, but from what I was told the whole road is being ripped up in some of the spots and I would assume that they are putting down a layer of gravel so that the torn up area can still be driven on (slowly one would hope) while the other side is being ripped up, thereby allowing traffic to still pass through the construction areas. Afterwards I would imagine it will either be paved or covered in concrete to create a prefered driving surface.
btw, that was one of my favorites too Bill.
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imprttuner2 wrote:
K just a question to see if anyone knows what the heck is up with fargo converting 10th 19th and broadway(I'm sure there are more) into gravel roads! I am getting sick of getting sandblasted everytime someone flys around me going 50 on gravel. K maybe a bit of an exageration but I have my first two rock chips in my windshield thanks to them.I think your over reacting. Rock chips how? Those rocks fit though a straw. I dont see how they can do any damage.
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they are very minor but they are there. a red dodge ram kicked them up on me three nights ago, could have been bigger rocks falling off of it I guess, the truck was filthy.
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