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best practices for rap and ras management asphalt

best practices for rap and ras management asphalt

Best Practices for RAP and RAS Management

Best Practices for RAP and RAS Management This publication is provided by the Members of the National Asphalt Pavement Association (NAPA), who are the nation’s leading asphalt producer/contractor firms and those furnishing equipment and services for the construction of quality asphalt pavements.

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IAPA :: Best Practices for RAP and RAS Management

Feb 16, 2016  The National Asphalt Pavement Association has released Best Practices for RAP and RAS Management (Quality Improvement Publication 129) by Randy C. West, Ph.D., P.E.. This document covers the current best practices for management of reclaimed asphalt pavement (RAP) and reclaimed asphalt shingles (RAS) as of 2015.

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West Best Practices for Rap and Ras Management

Best Practices for RAP Management 60 th Annual Asphalt Paving Conference Asphalt Pavement Association of Michigan. March 29, 2016. Kalamazoo, MI

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Best Practices for Managing Your RAP at the Plant For ...

Oct 13, 2016  According to NAPA’s “Best Practices for RAP and RAS Management,” poor management of RAP stockpiles is commonly cited as a reason agencies are reluctant to increase allowable RAP contents in asphalt...

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Reclaimed Asphalt Shingles (RAS)

Tier 1 - 0% to 17% RAP and/ or RAS (binder replacement) Use same grade (design binder grade) Tier 2 - 18% to 27% RAP and/ or RAS (binder replacement) At least one grade lower for the low temperature Optional- lowering the high temperature one grade If design binder grade is PG58-28 : Use PG58-34 or 52-34 MDOT RAP /RAS Spec 2013

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NAPA releases books on RAP and RAS best practices, high ...

Feb 01, 2016  Best Practices for RAP and RAS Management (Quality Improvement Publication 129) provides details on pavement milling, inventory management, processing, sampling and testing of RAP and recycled...

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West Best Practices for Rap and Ras Management

Best Practices for RAP Management 60 th Annual Asphalt Paving Conference Asphalt Pavement Association of Michigan. March 29, 2016. Kalamazoo, MI

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Best Practices for RAP And RAS Management

Best Practices for RAP And RAS Management. This document presents guidelines for reclaimed asphalt pavement (RAP) utilization in asphalt paving mixtures from the time of collection through mix design and quality control.

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RECLAIMED ASPHALT PAVEMENT MANAGEMENT

The goal of this best management practices guide is to facilitate the most effective utilization of RAP. Good RAP management practices are important to ensure the greatest economic benefit for RAP and the highest quality of recycled asphalt mixtures. Historical Perspective on Recycling The asphalt paving industry has had great success with ...

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NAPA releases books on RAP and RAS best practices, high ...

Feb 01, 2016  The National Asphalt Pavement Association (NAPA) has released two books aimed at provided best management practices for using reclaimed asphalt pavement (RAP). Best Practices for RAP and RAS ...

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Best Practices for Reclaimed Asphalt Pavement management

Oct 15, 2021  Processing RAP Best Management Practices • “Working the face” - loader or trackhoe blending the feed stock - is typical for making a homogenous product from “different source” stockpiles 11. Processing RAP Best Management Practices • And reducing to 3/8”, 5/8” or 1/2” minus is typical so RAP can be used in “all mixes”

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AsphaltPro Magazine Express Your RAP, RAS Content

19.0%/94.4% = 0.201 or 20.1%. So saying “20 percent RAP by weight of mix” is almost the same as “20 percent RAP aggregate by weight of total aggregate.”. Now let’s consider an example with RAS. Let’s say the mix contains 5 percent RAS by weight of total mix. The asphalt content of the RAS is 21.3 percent and the asphalt content of ...

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

Best Practices for the Use of RAS in HMA: Instructor Guide . ... This course is designed for any individuals seeking to best use RAS/RAP in asphalt mixes. ... The goal of this course is to present best practices for RAS collection, processing, screening, and stockpile management of processed shingles and RAS mix design, production, construction ...

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Balanced Mix Design: The Need and the Process

–Best practices for RAP/RAS processing and stockpile management Multiple sources RAP Well Separated RAP . Limitations of current design methods for ... 0%RAP IH40 (severely cracked thick asphalt pavement) 4 inch/ overlay Cold 30 95

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IAPA :: Sustainable

Best Practices for RAP and RAS Management. NAPA Special Report 200 Black and Green: Sustainable Asphalt, Now and Tomorrow. Asphalt Pavement Alliance Carbon Footprint Asphalt Pavement Alliance The Role of Asphalt in Livable Communities. Asphalt Pavement Alliance Cleaner Water with Asphalt Pavements

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NAPA Guides Help Increase Utilization of Reclaimed Asphalt ...

Feb 01, 2016  Best Practices for RAP and RAS Management (Quality Improvement Publication 129) by Randy C. West, Ph.D., P.E., covers pavement milling, inventory management, processing, sampling, and testing of ...

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Variability of Reclaimed Asphalt Pavement (RAP) Properties ...

May 18, 2020  West, R. Best Practices for RAP and RAS Management. National Asphalt Pavement Association, Quality Improvement Series 129 , Lanham, MD , 2015 . Google Scholar

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Publications — Materials and Pavements

Best Practices for Using RAP and RAS in HMA and WMA: 0-6738-P1: F. ZhouMay 2013: Evaluation of Binder Aging and its Influence in Aging of Hot Mix Asphalt Concrete: 0-6009-S: C.J. Glover2013: Texas M-E Flexible Pavement Design System: Literature Review and Proposed Framework: 0-6622-1: S. Hu, F. Zhou, T. ScullionApril 2012: Best Practice for ...

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Obtaining Mix Performance with High RAP and Modified

• Defining High RAP • Management and Best Practices • Modified Binders • Classification of modifiers • Effects of modification ... NCHRP 9-58 Evaluating the Effects of Recycling Agents on Asphalt Mixtures with High RAS and RAP Binder Ratios. Properties. Results. RAP BR. 0.38. PGH. RAP, °C. 91.0. B. BR. 0.63. PGH. Target, °C. 70.0 ...

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Best Practices for the Use of RAS in HMA: Workshop Student ...

With the recent increased use of asphalt shingles in asphalt mixtures, there is a need to further study this issue. The main objective of this workshop is to present best practices for RAS collection, processing, screening, and stockpile management of processed shingles and RAS mix design, production, construction, and performance evaluation.

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Best Practices for RAP And RAS Management

Best Practices for RAP And RAS Management. This document presents guidelines for reclaimed asphalt pavement (RAP) utilization in asphalt paving mixtures from the time of collection through mix design and quality control.

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Best Practices for the Use of RAS in HMA: Workshop Student ...

With the recent increased use of asphalt shingles in asphalt mixtures, there is a need to further study this issue. The main objective of this workshop is to present best practices for RAS collection, processing, screening, and stockpile management of processed shingles and RAS mix design, production, construction, and performance evaluation.

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Aggregate Handling Best Practices - South Carolina Asphalt ...

That Limit RAP Usage • Sizing all RAP to a 5/8” or 9/16” top size - crushing old asphalt mixes that contain aggregates larger than 1/2” creates excess fines (-200’s). • Combining milled material with material from the RAP crusher: Milled material typically has 4-8% more fines (-200’s) than processed (crushed) RAP.

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Recommendations for Mix Design Using RAP/RAS

Apr 21, 2016  Recommendations for Mix Design Using RAP/RAS 1. CalAPACalAPACalAPACalAPA 2016 Spring Conference2016 Spring Conference2016 Spring Conference2016 Spring Conference Asphalt Institute’s recommendations for Mix Design Using RAP / RAS Robert P. Humer, PE. Sr. Regional Engineer (for CA, AZ, NV, OR, WA and

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Best practices for the design, evaluation and quality ...

Most of the changes incorporated into PennDOT publications were applicable to RAP usage. However, the changes also covered usage of recycled asphalt shingles (RAS). The overall goal of this work was the adaptation and implementation of accepted best practices for mix design procedures and performance evaluation of higher percentage RAP mixes.

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Balanced Mix Design: The Need and the Process

–Best practices for RAP/RAS processing and stockpile management Multiple sources RAP Well Separated RAP . Limitations of current design methods for ... 0%RAP IH40 (severely cracked thick asphalt pavement) 4 inch/ overlay Cold 30 95

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Superpave Design Guidelines for Using Hot-Mix Recycled ...

b. Break up the RAP or RAS into small pieces similar to the AASHTO T 209 sample preparation procedure. c. Scalp the RAP or RAS over the same size sieve being used during production for the mix being designed. d. Dry all samples to a constant mass at 50º C. Do not overheat. 2. RAP or RAS Gradation and Asphalt Content (n=5 to 10) a.

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Superpave Design Guidelines for Using Hot-Mix Recycled ...

manufacturer waste asphalt roofing shingles is most successful when “best practices” are followed. Today, through many years of experience and technological improvements using Recycled Asphalt Pavement (RAP) and experience starting in the mid-1990’s using Recycled Asphalt Shingles (RAS), recommended practices and

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Publications — Materials and Pavements

Best Practices for Using RAP and RAS in HMA and WMA: 0-6738-P1: F. ZhouMay 2013: Evaluation of Binder Aging and its Influence in Aging of Hot Mix Asphalt Concrete: 0-6009-S: C.J. Glover2013: Texas M-E Flexible Pavement Design System: Literature Review and Proposed Framework: 0-6622-1: S. Hu, F. Zhou, T. ScullionApril 2012: Best Practice for ...

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Variability of Reclaimed Asphalt Pavement (RAP) Properties ...

May 18, 2020  West, R. Best Practices for RAP and RAS Management. National Asphalt Pavement Association, Quality Improvement Series 129 , Lanham, MD , 2015 . Google Scholar

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Obtaining Mix Performance with High RAP and Modified

• Defining High RAP • Management and Best Practices • Modified Binders • Classification of modifiers • Effects of modification ... NCHRP 9-58 Evaluating the Effects of Recycling Agents on Asphalt Mixtures with High RAS and RAP Binder Ratios. Properties. Results. RAP BR. 0.38. PGH. RAP, °C. 91.0. B. BR. 0.63. PGH. Target, °C. 70.0 ...

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Effect of Binder Modification and Recycled Asphalt ...

Jul 15, 2018  The objective of this study was to determine if PFC mixtures which incorporate reclaimed asphalt pavement (RAP) will provide performances that are similar to PFC mixtures which only use virgin materials and whether binder type will affect performance. ... West, R. Best Practices for RAP and RAS Management. Publication QIP 129. National Asphalt ...

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References Aggregate Quality Requirements for Pavements ...

Report FHWA-HIF-12-008. Federal Highway Administration, U.S. Department of Transportation, Washington, D.C. National Asphalt Pavement Association (2015). Best Practices for RAP and RAS Management. National Asphalt Pavement Association, Lanham, Md. National Stone, Sand and Gravel Association (2013). Aggregates Handbook, 2nd Edition.

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(PDF) IJCIET_10_01_126.pdf IAEME Publication - Academia

3.10 Randy C. West10 illustrates the current best practices for management of Reclaimed Asphalt Pavement (RAP) and Reclaimed Asphalt Shingles (RAS). A disciplined approach to RAP and RAS management –one based on data to manage inventory, processing, uniformity and quality – will maximize the return of investment in materials, equipment and ...

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