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Paving with Recycled Asphalt Shingles

Using recycled asphalt shingles (RAS) in hot mix asphalt pavements is cost competitive, diverts valuable resources from landfills, and advances sustainability goals. Join the growing list of local and state agencies around the country that are benefiting from using RAS

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Reclaimed Asphalt Pavement (RAP) and Reclaimed Asphalt ...

Reclaimed asphalt shingles (RAS). RAS is from the processing and grinding of preconsumer or post-consumer shingles. RAS shall be a clean and uniform material with a maximum of 0.5 percent unacceptable material, as defined in Bureau of Materials and Physical Research Policy Memorandum “Reclaimed Asphalt Shingle (RAS

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Asphalt - King County

Jun 11, 2018  Recycled asphalt shingles (RAS) can be processed into a ground product and used for road applications as a percentage of hot mix asphalt (HMA) pavement and cold patch. The manufacturing of warm mix asphalt

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Use of Reclaimed Asphalt Pavement and Recycled Asphalt ...

TRB's National Cooperative Highway Research Program (NCHRP) Synthesis 495: Use of Reclaimed Asphalt Pavement and Recycled Asphalt Shingles in Asphalt Mixtures summarizes current practices for the use of reclaimed asphalt pavement (RAP) and recycled asphalt shingles (RAS) in the design, production, and construction of asphalt

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Operations Lake County, IL

Recycled Asphalt Shingles (RAS) RAS is reclaimed asphalt shingles resulting from the processing and grinding of either pre-consumer or post-consumer shingles. A core value of the DOT’s Strategic Plan is being environmentally responsible. Increasing the amount of recycled and reclaimed

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Use of Reclaimed Asphalt Pavement and Recycled Asphalt ...

TRB's National Cooperative Highway Research Program (NCHRP) Synthesis 495: Use of Reclaimed Asphalt Pavement and Recycled Asphalt Shingles in Asphalt Mixtures summarizes current practices for the use of reclaimed asphalt pavement (RAP) and recycled asphalt shingles (RAS) in the design, production, and construction of asphalt

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Recycled Asphalt Shingles (RAS) Cut Costs and Stretch ...

Dec 15, 2011  A ton of liquid asphalt is approximately $400 to $500 so the oil in the shingle is worth more than $100 per ton,” says Vondra. A typical mix uses 5% RAS. “The 5% in the hot-mix makes up

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King County Environmental Purchasing

May 08, 2014  Recycled Asphalt Shingles (RAS) Reducing Greenhouse Gas Emissions According to the U.S. EPA, recycling one ton of shingles reduces greenhouse gas (GHG) emissions by 287 lbs. of carbon dioxide equivalents (CO2e) LinkUp – Shingles

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Doa Cadman Noc - Puget Sound Clean Air Agency

15. There shall be no visible emissions from the reclaimed asphalt pavement (RAP) and recycled asphalt shingle (RAS) feed bins and conveyors. FACILITY-WIDE EMISSION LIMIT 16. Facility-wide

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Paving with Recycled Asphalt Shingles

Using recycled asphalt shingles (RAS) in hot mix asphalt pavements is cost competitive, diverts valuable resources from landfills, and advances sustainability goals. Join the growing list of local and state agencies around the country that are benefiting from using RAS in pavements.

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Recycled Asphalt Shingles (RAS) - Vulcan Materials

12/03/2019 RECYCLED ASPHALT SHINGLES– Page 4 of 9 SDS #3239-026 Entry Program as specified in 29 CFR 1910.146. Do not store near food, beverages or smoking materials. Respirable crystalline silica-containing dust may be generated when recycled asphalt shingles is subjected to mechanical forces,

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CMS11: Recycled Asphalt Shingles (RAS) in Town Gravel ...

Gravel roads are well documented to have issues with rutting, potholing, washboarding, airborne dust and repeated need for maintenance work. Several states have implemented the use of Recycled Asphalt Shingles (RAS) in gravel roads and seen improvement in performance as compared to conventional aggregate. Poster: [Click to enlarge]

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INCORPORATION OF RECYCLED ASPHALT SHINGLES IN

Shingles (MWSS) into Hot Mixed Asphalt (HMA) Pavement Mixtures. This research project was undertaken to address the responsible incorporation of Recycled Asphalt Shingles (RAS) into HMA pavement mixtures to ensure environmental benefits are realized and pavement durability is

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How reconsidering RAS concentrations may help paving ...

Jul 28, 2020  The use of recycled asphalt shingles (RAS) in asphalt pavement has become increasingly popular among paving contractors seeking a cost-efficient alternative to virgin materials. Consisting of asphalt cement, aggregate and fiber, the composition of RAS can make it an ideal substitute for the virgin asphalt and fine aggregate routinely used in ...

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High Percentages of Reclaimed Asphalt Affect the ...

May 20, 2020  Reclaimed asphalt roofing shingles (RAS) are another potential source of asphalt binder. There is growing interest in allowing significantly higher percentages of RAP and RAS in asphalt mixes used on state and local roadways. However, making this change has raised concerns regarding how these composite binders may influence the performance and ...

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IDEALS @ Illinois: Impact of recycled asphalt shingles on ...

recycled asphalt shingles (RAS) reclaimed asphalt pavements (RAP) Abstract: The use of recycled materials in asphalt mixtures such as reclaimed asphalt pavements (RAP) and more recently recycled asphalt shingles (RAS) have become widely accepted in the United States as a replacement for virgin asphalt binder or virgin aggregates.

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Performance Evaluation of Asphalt Mixtures with Reclaimed ...

procedures for incorporating reclaimed asphalt pave-ment (RAP) into asphalt mix designs are not completely performance-based. Over 10 million tons of tear-off roofing shingles are currently stockpiled, creating the potential for large-scale recycling of recycled asphalt shingles (RAS). Recycling these materials in asphalt

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Is RAS primed for a comeback? - Construction Demolition ...

Aug 27, 2019  Five years ago, recycled asphalt shingles (RAS) found their place in the market. In 2014, the paving industry utilized nearly 2 million tons of RAS to supplement mixes and lay down new roads, signaling a strong, growing customer base for a material often sent to landfill. But as asphalt cement prices dropped, RAS use spiraled.

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(PDF) Optimizing Recycling Reclaimed Asphalt Pavement (RAP ...

sumes more than 10 percent of recycled asphalt shingles (RAS). T he National Asphalt Pavement Association (NAP A) esti- mates that the amount of RAS in asphalt pavement and road base, nationwide ...

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NCAT Characterization of Asphalt Binder Extracted from ...

Engineers began using reclaimed asphalt shingles (RAS) in pavement mixtures as an alternate asphalt source in the 1980s and 1990s (1). When polymer modification of asphalt binders became more common in the Superpave Performance Grading (PG) specifications, practitioners

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"Impact of Reclaimed Asphalt Pavement and Recycled Asphalt ...

Jan 01, 2017  The use of recycled materials in Asphalt Concrete (AC) mixes is highly promoted in the transportation industry. Recycled materials minimize the use of virgin materials, reduce the consumption of resources, and cut costs for new construction or rehabilitation projects. The incorporation of Reclaimed Asphalt Pavement (RAP) and Recycled Asphalt Shingles (RAS) in the AC mixture is

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) and/or Reclaimed Asphalt Shingles

Reclaimed Asphalt Shingles (RAS) – waste from the manufacturing of roofing shingles, not to . include any material from building waste or other salvaging operations. Virgin Asphalt Binder – new asphalt binder used in hot mix asphalt mixtures. Binder Replacement – reclaimed asphalt binder from RAP and/or RAS that replaces virgin . binder ...

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RAS-Tech - Recycled Asphalt Shingle Technology (RAS-Tech,)

RAS-Tech was founded on the idea that there is a better way to recycle asphalt shingles. Through extensive research and development, we created a proprietary process, by which, the valuable asphalt locked inside asphalt shingles can be reclaimed, reused and manufactured into new products. We pride ourselves on being a Roofs to Products company.

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CMS11: Recycled Asphalt Shingles (RAS) in Town Gravel ...

Gravel roads are well documented to have issues with rutting, potholing, washboarding, airborne dust and repeated need for maintenance work. Several states have implemented the use of Recycled Asphalt Shingles (RAS) in gravel roads and seen improvement in performance as compared to conventional aggregate. Poster: [Click to enlarge]

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Pavement Materials Partnering Committee Work Product ...

Use of Recycled Asphalt Shingles (RAS) in Hot Mix Asphalt July 9, 2019 Page 2 of 8 Updated 7/9/19 aggregate. However, the use of RAS creates new challenges for SHAs to specify and control the quality of asphalt mixtures to ensure long-term pavement performance

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Recycled Asphalt Shingles (RAS) in Town Gravel Roads

Recycled Asphalt Shingles (RAS) in Town Gravel Roads. Acknowledgments . Thank you to the Town Maintenance Workers of Waltham, Waterbury, Cornwall, Shoreham, Panton, Shaftsbury and Pownal. James Surwilo, ANR DEC. Tanya Miller, VTrans. Introduction. Gravel roads are well documented to have issues with rutting, potholing,

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Asphalt QMS Manual - 08 Recycling of Asphalt Pavements

Reclaimed Asphalt Pavement (RAP) or Reclaimed Asphalt Shingles (RAS) may be incorporated into asphalt plant mixes in accordance with Article 1012-1 and the following applicable requirements. However, use of RAP materials is not allowed in Open Graded Friction Course (OGFC) mixes or Ultra-Thin Bonded Wearing Course (UBWC) mixes.

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Evaluation of the Combined Effects of Recycled Asphalt ...

This report summarizes the main findings from a project funded by the National Center for Sustainable Transportation to investigate the use of higher percentages of reclaimed asphalt pavement (RAP) and reclaimed asphalt shingles (RAS) as a replacement for a percentage of the virgin binder in new asphalt mixes in California.

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Recycled Asphalt Shingles

On the other hand, a recycled asphalt shingle (RAS) program may face challenges such as market fluctuations and organizational logistics. This analysis is intended to provide stakeholders with the background, resources, and a variety of scenarios that can be used to further discuss the merit of

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Using recycled asphalt materials as an alternative ...

Using recycled materials in pavement applications is a viable option to reduce costs and limit the environmental impact of road construction. During the past decades, many agencies in the U.S. have investigated the effect on pavement performance of adding Reclaimed Asphalt Pavement (RAP), and, more recently, Recycled Asphalt Shingles (RAS) to asphalt mixtures, and limits were proposed on

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Is RAS primed for a comeback? - Construction Demolition ...

Aug 27, 2019  Five years ago, recycled asphalt shingles (RAS) found their place in the market. In 2014, the paving industry utilized nearly 2 million tons of RAS to supplement mixes and lay down new roads, signaling a strong, growing customer base for a material often sent to landfill. But as asphalt cement prices dropped, RAS use spiraled.

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The Effects of Recycling Agents on Asphalt ... - OAKTrust Home

Economic and environmental benefits motivate transportation agencies to increase the amount of reclaimed asphalt pavement (RAP) and recycled asphalt shingles (RAS) used in asphalt mixtures. In the U.S., materials cost savings in 2017 totaled approximately $2.2 billion with RAP and RAS materials replacing virgin asphalt binder and aggregate in ...

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Anova Asphalt Rejuvenator Reverse Impact of Aging on ...

Increasing the usage of recycled asphalt material from pavements or roofing shingles reverses the impact of aging on the asphalt’s rheological and damage properties. These products are excellent tools for a wide range of pavement types and pavement preservation applications: High RAP and RAS mixtures with up to 100% RAP, while reducing ...

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Rheological investigation of asphalt mixtures containing ...

N2 - Reclaimed Asphalt Pavement (RAP) and Recycled Asphalt Shingles (RAS) are valuable materials commonly reused in asphalt mixtures due to economic and environmental benefits. However, the aged binder in these materials may negatively influence the low temperature properties of the final asphalt mixtures.

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Asphalt QMS Manual - 04 Asphalt Mix Design and Job Mix ...

Reclaimed Asphalt Pavement (RAP) or Reclaimed Asphalt Shingles (RAS) may be incorporated into asphalt plant mixes in accordance with Article 1012-1 and the following applicable requirements. However, use of RAP materials is not allowed in Open Graded Friction Course (OGFC) mixes or Ultra-Thin Bonded Wearing Course (UBWC) mixes.

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