Pavement Preservation with Slurry Seal
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- เผยแพร่เมื่อ 24 ต.ค. 2021
- A longer look at an updated job to highlight all aspects of slurry seal being applied to preserve pavement in Cecil County, Maryland.
For pavements still in good condition, slurry seal can be used alone or in conjunction with other treatments to extend the pavement life by 5-7 years and restore some of the skid resistance of the original asphalt overlay, all at a discount to milling and overlay that will be prematurely necessary otherwise. It is a surface treatment designed to restrict moisture intrusion, protecting the structure from further oxidation and raveling, and restoring a uniform black appearance.
Slurry seal is a mixture of asphalt emulsion (sometimes polymer-modified), mineral aggregate, water, and additives. It is precisely proportioned, mixed onsite in a special truck-mounted rig, and uniformly spread over a properly prepared surface at a single stone thickness. As a homogenous mat with good bonding properties, it adheres firmly to a properly prepared surface. It can be applied rather quickly, allowing traffic soon after the emulsion “breaks,” causing only reasonable disruption to the traveling public.
The Delaware T2/LTAP Center provides direct technical assistance, training, and technology transfer to Delaware local agencies relative to their transportation challenges.
sites.udel.edu/dct/t2-center/
/ delawaret2
![ทททททททท #27 [หลุยส์ เค โตมายังไง ณ สระบุรี]](http://i.ytimg.com/vi/CaKoYw_Xmtg/mqdefault.jpg)
they just finished with my street earlier today, they started and finished pretty much an entire neighborhood in only a couple of days. street finally looks good again after over a decade of nothing but patches and filling in cracks.
Yes, for the right road at the right time, this can extend the life of the pavement and freshen up the look for some time.
you guys don't pull your flares ? moping it in looks nasty when dry.
Is a seal coating with Material mix in with it
I have a 550 seal rig... We run Neyra coal tar at 25% water w 1.5gl pave gel 200lbs sand per 100gl raw sealer...
We want to get a thick mix for some grind then hand work with sealer... What do I do to get a thick slurry like this.. can we run this mix through our 2in pump and out the hose with no tip.... Is this a large sand or rock.. please help me with some info... I seem a job last month and I was convinced I needed to figure out that mix
We are not experts on the mix side. I would reach out to Slurry Pavers - www.slurrypavers.com/ - they're out of Richmond, VA and did the work here. You can also look at the resources at ISSA - www.slurry.org/ - a great industry association. Their Slurry Systems Workshop is in Las Vegas in January and that's a great opportunity to learn from peers across the industry.
I remember they did this to my street when I was a kid. Completely ruined the surface for roller hockey, when I thought they were fixing it.... I hate this stuff lol.
Did the same ahit to my street 20 years ago. Was so pissed.
I couldn't believe how much asphalt cost until I got my 1600 ft driveway redone. This looks super cool hopefully it's saving money in a super efficient good luck and great video.
No kidding, Dave. That's why the pavement preservation toolbox is so important for local agencies to explore. You have to pick the right ones for the right roads at the right time, but you can really stretch the pavement life with some of these methods. The result can be a road that looks great and rides well through the majority of its lifetime, rather than just declining to a disappointing surface for the last several miserable years before you can afford to mill and pave. Thanks for the comment.
@@DelawareT2Center you know what It don't understand? Why the towns spend and waste so much money half-assing it. For example they must have patched my block I don't know every single winter and it looks terrible why not just take the time and do it right once. Anyway yeah thanks for the explanation man that all sounds great brother
How much would it of cost
@@DelawareT2Centerwhat’s a pavement restoration toolbox?
My recollection is that they paid about $2.40/SY at that time.
Does this work & asphalt overlay
It certainly can be applied as a pavement preservation to asphalt in otherwise good condition (i.e., without advanced distresses). It does not provide additional structural strength; it seals out the surface to minimize water intrusion through minor cracks, stems the advance of oxidation and raveling, and can provide a little bit of skid resistance. More commonly (at least in our neck of the woods), it follows another treatment like chip seal. It is a low-cost treatment to extend the life of a pavement that has not deteriorated too far. Remember the central tenant of the pavement preservation toolbox - use the right technology for the right road at the right time. See also roadresource.org/.
👏👏👏👏👏
I work asphalt in Orlando, this looks terrible. We don't do chip seal down here because, why would we if it never freezes. But they're raking with yard rakes, not lutes. Just crazy to me and it looks like shit
u watchin this 93555?
I am asphalt Rackman 8 Experience UAE
Yes, methods like these are used all over the world. Moreover, some of the pavement preservation tools have been developed in one country, adopted by others, and innovated farther by yet other parts of the world. Good ideas don't know much about political boundaries! Thanks for watching.
My company does it differently
Yeah, there are a lot of different approaches for sure. What part of the country/world are you in?
Would look better if you guys did the hand work first then do the straight pull with the variable spreader box after, to mask the ugly hand work joints.
Burlaps give a really ugly finish especially when they get dirty. Would use a secondary rubber to make a nicer finish. You can get it the secondary addon at bergkemps.
I noticed a leak behind the chute of the paver
The 2 guys on the spreader box are way to clean, wich tell me they don't clean the box very often during the day.
Manholes need to be covered with poly then taped at the bottom not with ducktape on top.
At 8:57 the guy on the sled turned on the augers hydraulics while the other guy had his hand inside the box reaching for the lift chain ( very dangerous if the mixer did not turned off the augers.)
Have a guy with a backpack blower in front of paver to removed leaves and debris.
Hope you see this as constructive observations, you guys seem to have a good crew.
Enjoy and pave on!
All constructive dialogue is welcome; that's how we all learn. We don't do the work; that's Slurry Pavers out of Richmond, VA; we're observers and use these materials to educate local agency personnel about techniques and materials. You are correct that you can always improve in various ways and that's why it is helpful to look at operations and constructively critique. Thanks for the input!
It’s called Microsurfacing
I've seen blind kids color inside the lines on a coloring book better than this.
And how much do we the tax payers save on this stuff
That is the correct question, Bill, because that is the goal of all the pavement preservation tools, techniques, technologies. The idea is move in on roads that are still in good condition and extend their service life at a lower per annum cost. So for example, if you expect a pavement mill and overlay to last 12 years and you can extend it, say 6-8 years, at 30-40% of the cost of mill/overlay, you are ahead of the game financially and the road surface spends more of its years in good condition, rather than the deterioration that results without intervention. The real art is applying the right technology to the right road at the right time.
@@DelawareT2Center it sounds fantastic to me and i wish you guys the best with it also save us all some cash lol and great job
@@DelawareT2Center plattsmouth Nebraska streets are terrible small town they patch there streets & never do this
Horrible job