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Evaluation of HMA Modified with Recycled Asphalt Shingles

Evaluation of HMA Modified with Recycled Asphalt Shingles

Evaluation of HMA Modified with Recycled Asphalt Shingles ...

Oct 07, 2009  Evaluation of HMA Modified with Recycled Asphalt Shingles (RAS) Mixtures Prepared By William R. Vavrik Applied Research Associates, Inc. Debra Haugen Debra S. Haugen, LLC Samuel H. Carpenter University of Illinois Steven Gillen Illinois State Toll Highway Authority Jay Behnke Fred Garrott S.T.A.T.E. Testing, LLC

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Evaluation of HMA Modified with Recycled Asphalt Shingles ...

Evaluation of HMA Modified with Recycled Asphalt Shingles (RAS) Mixtures Prepared By William R. Vavrik Applied Research Associates, Inc. Debra Haugen Debra S. Haugen, LLC Samuel H. Carpenter University of Illinois Steven Gillen Illinois State Toll Highway Authority Jay Behnke Fred Garrott S.T.A.T.E. Testing, LLC Illinois State Toll Highway ...

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Performance Evaluation of Asphalt Mixtures with Reclaimed ...

ber modified WMA and crumb rubber modified hot-mix asphalt (HMA) performed better than control HMA (9). Arnold et al. showed that addition of RAS to asphalt mixture specimens led to an increase in the peak load and a decrease in the overall fracture energies ( 12). Dave et al. used DC(T) for low-temperature fracture characteriza-

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Evaluation of Specialized Hot Mix Asphalt Mixes for ...

Apr 26, 2019  This study of the Evaluation of Specialized Hot Mix Asphalt (HMA) Mixes for Massachusetts was undertaken as part of the Massachusetts Department of Transportation ... 2.3.2 Recycled Asphalt Shingles (RAS) in HMA ..... 7 2.3.3 Benefits of High RAP Content, RAS, and WMA in Thin Lift Overlay Mixture ..... 8 3.0 Experimental ...

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INCORPORATION OF RECYCLED ASPHALT SHINGLES IN HOT

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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Performance of Recycled Asphalt Shingles in Hot Mix Asphalt

State highway agencies are increasingly intersted in using recycled asphalt shingles (RAS) in hot mix asphalt (HMA) applications, yet many agencies share common questions about the effect of RAS on the performance of HMA. Previous research has allowed for only limited laboratory testing and field surveys.

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LABORATORY EVALUATION OF HIGH ASPHALT BINDER

1970s in the United States, is the use of recycled materials in hot mix asphalt (HMA) such as reclaimed asphalt pavement (RAP), and more recently recycled asphalt shingles (RAS), while this may have been done since 3040 years ago, the economics of it were not viable - until recently. I would say most RAS programs are 610 years old or less.

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Recycled Asphalt Shingles in HMA

Recycled Asphalt Shingles in HMA and Other Applications A Presentation at the 80th Annual Meeting of the ... established based on a virgin-shingle binder blending evaluation 5-9 (Justus, September 2004) AASHTO Specification-cont. ¥Deleterious Material-Maximum of 0.50%

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Performance of Recycled Asphalt Shingles in Hot Mix

State highway agencies are increasingly intersted in using recycled asphalt shingles (RAS) in hot mix asphalt (HMA) applications, yet many agencies share common questions about the effect of RAS on the performance of HMA. Previous research has allowed for only limited laboratory testing and field surveys.

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Shingles in Hot-mix Asphalt Pavements - TxDOT

However, consumer waste has been successfully used in hot mix asphalt (HMA) as much or more than manufacturing waste. Two types of HMA were modified with ground roofing and tested in the laboratory. These included a dense-graded, Type D mixture and a coarse matrix-high

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LABORATORY EVALUATION OF HIGH ASPHALT BINDER

1970s in the United States, is the use of recycled materials in hot mix asphalt (HMA) such as reclaimed asphalt pavement (RAP), and more recently recycled asphalt shingles (RAS), while this may have been done since 3040 years ago, the economics of it were not viable - until recently. I would say most RAS programs are 610 years old or less.

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Incorporation of Recycled Asphalt Shingles in Hot-Mixed ...

of recycled asphalt shingles (RAS) into HMA pavement mixtures to ensure environmental benefits are realized and pavement durability is retained or improved. The research consisted of a literature review, extensive laboratory testing and field evaluations of in service

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Chapter Two - Roofing Shingles Recycled Materials and ...

Applicationsâ bound Hot Mix Asphalt Decker (2002) provided a detailed evaluation of shingle byproduct processing and introduction of the shingle byprod- ucts into the HMA plant. He noted his experience with two types of shredding methods, which were a conventional mill- ing head and an anvil method. ... Ps = recycled shingle asphalt in the new ...

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IDOT HMA Update - University of Illinois Urbana-Champaign

Recycled Asphalt Shingle (RAS) • IDOT permits use of manufacturer’s waste shingles in HMA – Must be scrap shingles generated from production of asphalt roofing shingles – Max of 5% • Tear-Off Shingles currently not permitted due to concern w/ asbestos. 27

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National Center for Asphalt Technology

19-01: Preliminary Evaluation of Recycled Asphalt Shingles in Warm Mix Asphalt in Wilson, North Carolina Grant Julian, Adam Taylor, Fabricio Leiva Download: Full Report 18-04: Phase VI (2015-2017) NCAT Test Track Findings Randy West, David Timm, Buzz Powell, Michael Heitzman, Nam Tran, Carolina Rodezno, Don Watson, Fabricio Leiva, Adriana ...

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Research - Warm Mix Asphalt Final Report WSDOT

WMA is an allowable substitute for conventional HMA on all projects using less than 20 percent recycled asphalt pavement (RAP). WMA is not allowed when the RAP content exceeds 20 percent or when any percentage of recycled asphalt shingles (RAS) is incorporated.

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

RECLAIMED ASPHALT PAVEMENT AND RECLAIMED ASPHALT SHINGLES (D-4) ... or crushing an existing hot-mix asphalt (HMA) pavement. RAP will be considered ... of Characterizing Reclaimed Asphalt Pavement (RAP)” or Illinois Modified AASHTO T-164-11, Test Method A. (b) Evaluation of RAS Test Results. All of the test results, with the exception of percent

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UG-Mat Recycled Asphalt Shingles Recycled Materials ...

The recycled asphalt shingles cold patch was determined to be 6% liquid binder, 14% ground asphalt and 80% aggregate. Some found the material to work very well and have long stick power and easy to use. Others found it too stiff to work with and low quality and therefore discontinued use of the product.

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Overcoming the Barriers to Asphalt Shingle Recycling ...

product containing a maximum 10 percent recycled shingles by volume. This RAS / aggregate base demonstration project has not yet been finally completed. The primary economic driver for asphalt shingle recycling is the virgin asphalt cost savings derived by HMA producers. RAS becomes a partial replacement of the virgin asphalt. BRI

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Pavement Materials Partnering Committee Work Product ...

Asphalt Task Group/Recycling Subtask Group Use of Recycled Asphalt Shingles (RAS) in Hot Mix Asphalt July 9, 2019 Page 3 of 8 Updated 7/9/19 o Specification changes o Test method changes (e.g. Crack test, solvent extraction, etc.) o Testing equipment changes o Contract administration changes o Materials changes (e.g. Rejuvenator usage, etc.)

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Publications — Materials and Pavements

Characterization and Best Use of Recycled Asphalt Shingles in Hot-Mix Asphalt: 0-6614-2: F. Zhou, H. Li, S. Hu, J.W. Button, J.A. Epps ... Field Evaluation of Asphalt Mixture Skid Resistance and Its Relationship to Aggregate Characteristics ... Short-Term Guidelines to Improve Crumb Rubber Modified Asphalt Concrete Pavements: 1332-2F: S. Rebala ...

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Recycled Asphalt Shingles in HMA

Recycled Asphalt Shingles in HMA and Other Applications A Presentation at the 80th Annual Meeting of the ... established based on a virgin-shingle binder blending evaluation 5-9 (Justus, September 2004) AASHTO Specification-cont. ¥Deleterious Material-Maximum of 0.50%

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0-6614: Use of Recycled Asphalt Shingles in HMA

0-6614: Use of Recycled Asphalt Shingles in HMA Background In the last several years, both reclaimed asphalt pavement (RAP) and recycled asphalt shingles (RAS) have been widely used in paving Texas highways. Compared to RAP, RAS has two features: 1) much higher asphalt binder content, and 2) super stiff asphalt binder. Thus, the use of

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TECHNOLOGY TRAN SFER PROGRAM Evaluation of Asphalt ...

as an Additive in Hot-Mix Asphalt (HMA)” as “any type of waste roofi ng asphalt shingles that have been processed into a recyclable product,” have become another promising candidate for recycling, also because of the high compatibility with paving asphalt mixtures.

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Blending Efficiency of Asphalt Mixtures Containing ...

The current tendency in paving industry is to increase the use of recycled asphalt pavement (RAP) and recycled asphalt shingle (RAS). TDOT Materials and Test Division has been collaborating with the University of Tennessee conducting studies of recycling RAP/RAS into hot-mix asphalt (HMA) or warm mix asphalt (WMA). The studies have

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Overcoming the Barriers to Asphalt Shingle Recycling ...

product containing a maximum 10 percent recycled shingles by volume. This RAS / aggregate base demonstration project has not yet been finally completed. The primary economic driver for asphalt shingle recycling is the virgin asphalt cost savings derived by HMA producers. RAS becomes a partial replacement of the virgin asphalt. BRI

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Sustainable Material Solution for Flexible Pavements ...

and benefit by substituting one or a combination of three recycled materials in HMA. The three recycled materials are Recycled Asphalt Shingle (RAS), Municipal Solid Waste Incineration (MSWI) Bottom Ash, and Recycled Concrete Aggregate (RCA). erformance evaluation of P the HMA including those recycled materials has been performed by a series of ...

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Best Practices for the Use of RAS in HMA: Instructor Guide

pavement (RAP), recycled asphalt shingles (RAS), tires, etc. The earliest recycling asphalt pavement dates back to 1915. In addition to conserving energy and protecting the environment, the use of RAP/RAS can significantly reduce the cost of hot-mix asphalt (HMA) paving. RAP has been the most extensively recycled material in the history of the ...

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Chapter Two - Roofing Shingles Recycled Materials and ...

Applicationsâ bound Hot Mix Asphalt Decker (2002) provided a detailed evaluation of shingle byproduct processing and introduction of the shingle byprod- ucts into the HMA plant. He noted his experience with two types of shredding methods, which were a conventional mill- ing head and an anvil method. ... Ps = recycled shingle asphalt in the new ...

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IDOT HMA Update - University of Illinois Urbana-Champaign

Recycled Asphalt Shingle (RAS) • IDOT permits use of manufacturer’s waste shingles in HMA – Must be scrap shingles generated from production of asphalt roofing shingles – Max of 5% • Tear-Off Shingles currently not permitted due to concern w/ asbestos. 27

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Graduate Thesis Or Dissertation Initial performance ...

This thesis documents the evaluation of the initial performance of pavement containing recycled asphalt shingles (RAS) in Oregon. The research was funded by the Oregon Department of Transportation (ODOT) and the Federal Highway Administration and was conducted at

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Publications — Materials and Pavements

Characterization and Best Use of Recycled Asphalt Shingles in Hot-Mix Asphalt: 0-6614-2: F. Zhou, H. Li, S. Hu, J.W. Button, J.A. Epps ... Field Evaluation of Asphalt Mixture Skid Resistance and Its Relationship to Aggregate Characteristics ... Short-Term Guidelines to Improve Crumb Rubber Modified Asphalt Concrete Pavements: 1332-2F: S. Rebala ...

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(PDF) RECLAIMED ASPHALT PAVEMENT – A LITERATURE REVIEW ...

Quantitative evaluation of low-temperature performance of sustainable asphalt pavements containing recycled asphalt shingles (RAS) By Megan McGovern and Behzad Behnia. The properties of asphalt binder blended with variable quantities of recycled asphalt

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Recycling Tear-Off Asphalt Shingles - King County

The primary high-value market today for RAS is hot mix asphalt (HMA) due to the quality and content of asphalt cement in shingles. RAS is just one of several types of recycled feedstock materials used by HMA plants today. 15, 16, 17 Use of recycled asphalt pavement (RAP) has grown

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Development of a Self-Healing and Rejuvenating Mechanisms ...

Jun 17, 2019  Recycled materials such as reclaimed asphalt pavements (RAP) and recycled asphalt shingles (RAS) have been incorporated into hot mix asphalt (HMA) to reduce virgin materials’ consumption and to alleviate the environmental effects of paving operations. However, the aged binder in these recycled materials may affect the cracking

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