high performance thin overlay

  • Use of New High Performance Thin Overlays (HPTO)

    CAIT RUTGERS High Performance Thin-Overlay Focused Applications Preventative Maintenance – NJDOT – Placed after signs of surface distress – Also potential use of “Shim” course on PCC prior to Wearing Course Pavement Overlay – Locals/Municipalities – Place immediately on surface of pavements showing signs of surface distress without milling

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  • Thin Overlays - New Jersey

    Types of Thin HMA Surfacings • Dense-graded mixes – Continuously graded, Superpave – High Performance Thin Overlay (HPTO) • Open-graded mixes – 15-22% voids, fibers and polymer or crumb rubber – Used to reduce splash and spray, improve high speed friction and reduce tire noise • Gap-graded systems – SMA and SMAR mixes (9.5mm & 12.5mm) – Ultra-Thin systems (Novachip)

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  • Slurry Seal vs Thin Overlay: How to Pick the Right Material

    High Performance Thin Overlay Benefits and Considerations. On the other hand, the advantages associated with working with high performance thin overlays are many. The first benefit has to do with cost savings and efficiency. While slurry seals can be somewhat effective, they are not nearly as flexible in terms of thickness.

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  • TxDOT High Performance Thin Overlays - ftp.dot.state.tx.us

    Genesis of Thin Overlays Austin District Thin Overlay Pilot Program (2007): –Locally available high quality aggregate with finer gradations –70% Grade 5 Sandstone –30% Screenings –PG 76-22 –1” Thin Overlay Mixture 6 Not everything is bigger in Texas

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  • NJ I-280 High Performance Thin Overlay - Modified Asphalt

    NJ I-280 Resurfacing No funding for major rehabilitation (future rubblization will be limited by structures) Pavement Design Strategy: Underseal joints with chemical grout to stabilize vertical deflections and limit water infiltration Apply High Performance Thin Overlay (HPTO) as leveling course and help seal and insulate the surface

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  • High Performance Thin Overlays Take Off - apai.net

    High Performance Thin Overlays Take Off S ince its introduction in Iowa three years ago, the excitement around the use of the High-Performance Thin Overlay, aka “HIPRO”, has grown exponentially . The reason is clear: HIPRO is a progressive, cost-effective, and long-lasting asphalt pavement preservation technique It .

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  • PAVEMENT SPECIFICATION CHANGES - New Jersey Asphalt ...

    • Composite pavement with moderate to high severity reflective cracking of the existing 1.5” to 3” thick HMA overlay • Delamination of the 1.5” thick OGF in shoulder areas • Design • Mill 1.5” and pave with • 1.5” thick High Performance Thin Overlay (HPTO) • Shoulders • …

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  • DS-15071 (Replaces DS-15066) DEVELOPMENTAL …

    high performance thin lift overlay effective date april 16, 2019 the standard specifications, series 2015, are amended by the following modifications and additions. these are developmental specifications and they prevail over those published in the standard specifications. 15071.01 description.

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  • Design and Performance Evaluation of Very Thin Overlays in ...

    thick mats rather than 2-inch thick, there is a clear economic advantage of using these high quality materials. TxDOT is in the process of updating SS 3109, and a statewide specification is scheduled for release in early 2009. 17. Key Words Thin Overlay, Rutting, Cracking, Skid Resistance, Hamburg, Overlay, Ground Penetration Radar,

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  • New HMA Products and Trends for NJDOT - state.nj.us

    High Performance Thin-Overlay (HPTO) • Focused Applications – Preventative Maintenance – NJDOT • Placed after signs of initial surface distress • Also potential use of “Shim” course on PCC prior to Wearing Course – Pavement Overlay – Locals/Municipalities

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  • High Performance Thin Overlays Take Off - apai.net

    High Performance Thin Overlays Take Off S ince its introduction in Iowa three years ago, the excitement around the use of the High-Performance Thin Overlay, aka “HIPRO”, has grown exponentially . The reason is clear: HIPRO is a progressive, cost-effective, and long-lasting asphalt pavement preservation technique It .

    Get Price

  • NYC Uses a High Performance Thin Overlay to Solve a Hard ...

    NYC Uses a High Performance Thin Overlay to Solve a Hard Problem. New York City’s First Avenue in Manhattan is now safer for vehicles, bicycles and pedestrians, and quieter for residents thanks, in part, to a new surface of High Performance Thin Overlay (HPTO) mix with a …

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  • Asphalt Overlay - Concrete Surface Repair - Pavement ...

    When it comes to asphalt and concrete surface overlays, it is their durability that matters most. In an effort to make pavement stand the test of time, some contractors apply sealers to its surface while others use bonding agents.

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  • Thin Overlays - National Asphalt Pavement Association

    Thin Overlays A new generation of thin-lift asphalt overlays called Thinlays™ are a popular approach to pavement preservation because of their ability to provide improved ride quality, reduce pavement distresses, maintain surface geometrics, reduce noise levels, …

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  • SUDAS Revision Submittal Form - intrans.iastate.edu

    May 17, 2019 · C. High Performance Thin Lift: Use PG 58-34E+ PG 64-34E+ complying with requirements of ... With the thin lift overlays, the nominal maximum aggregate size must be no larger than 1/3 the thickness of the overlay. The mix has more asphalt binder (approximately 8%) than a

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  • DS-15071 (Replaces DS-15066) DEVELOPMENTAL …

    high performance thin lift overlay effective date april 16, 2019 the standard specifications, series 2015, are amended by the following modifications and additions. these are developmental specifications and they prevail over those published in the standard specifications. 15071.01 description.

    Get Price

  • Guidelines on Design and Construction of High …

    Guidelines on Design and Construction of High Performance Thin HMA Overlays Cindy K. Estakhri Tommy Blackmore . Tom Scullion Published: August 2016

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  • High-Performance Thin Asphalt Overlay Rises to Challenge

    prohibit the use of a thick asphalt overlay. The cost of these rehabilitation options also were well out of the city’s budget. Promising Applications Recent work by the New Jersey Depart-ment of Transportation (DOT) on the development of high-performance thin overlay (HPTO) material showed prom-ise for a new type of application. NuStar

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  • Applications of High-Performance Concrete for Ultra -Thin ...

    Ultra-thin whitetopping is a technique requiring several field conditions to be met concerning the old asphalt pavement in order to perform well as an overlay. They are full bond condition at the interface of HPC and asphalt concrete (generally provided by milling), asphalt concrete without fatigue cracking and rational joint spacing.

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  • Solving a “Hard” Problem For The NYC DOT With a High ...

    Solving a “Hard” Problem For The NYC DOT With a High Performance Thin Overlay NEAUPG Annual Meeting Portsmouth, NH October 24, 2013 Ronald Corun

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  • Rocky Mountain Asphalt Conf.

    NJ High Performance Thin-Overlay • Identified Applications –Needed a cost effective material for Interstate to: •To extend serviceability 4 -7 years •Without effecting bridge/guardrail clearance –Pavement Overlay –on primary roads •Place directly on distressed surface of pavements without milling –(curb reveal –man holes)

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  • Asphalt Resurfacing: Your Complete Guide - braenstone.com

    Asphalt overlays have proven to be extremely effective in terms of asphalt resurfacing and preservation, and high performance thin overlay is the newest incarnation of these overlays. As long as the asphalt is structurally sound, thin overlay can be used to successfully extend the life of the asphalt and improve driving safety and conditions.

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  • Ultra Thin heavy Reinforced High Performance Concrete …

    Ultra Thin Heavy Reinforced High Performance Concrete Overlays technically attractive since they are not designed to place in large thin overlays which will result in difficulties with casting and finishing. These products are especially technically attractive for prefab- and industrial applications.

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  • Thin Asphalt Overlays - roads.maryland.gov

    Thin Asphalt Overlay Options: Developing a work plan to add to our Thin Overlay toolbox: 1” 9.5mm, PG64E-22, L1, HDFV ¾” –4.75mm, PG64E-11, L1, HDFV Open-Graded Friction Course (OGFC) High Performance Thin Overlay (HPTO) Ultra-thin Bonded Wearing Course (UTBWC) 5/8”-3/4”

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