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DETERMINATION OF RECYCLED ASPHALT PAVEMENT (RAP)

DETERMINATION OF RECYCLED ASPHALT PAVEMENT (RAP)

Determination of Recycled Asphalt Pavement (RAP) Content ...

Determination of Recycled Asphalt Pavement (RAP) Content in Asphalt Mixes Based on Expected Mixture Durability Prepared in Cooperation with The Ohio Department of Transportation and The U.S. Department of Transportation, Federal Highway Administration Final Report by Osama Abdulshafi, Ph.D., P.E. Bozena Kedzierski, M.S. Michael G. Fitch, M.S., P.E.

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DETERMINATION OF RECYCLED ASPHALT PAVEMENT (RAP)

determination of recycled asphalt pavement (rap) content in asphalt mixes based on expected mixture durability Decreasing supplies of locally available quality aggregate in some areas, growing concern over waste disposal, and the rising cost of asphalt binder have resulted in greater use of recycled asphalt pavement (RAP) for new road construction.

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DETERMINING ASPHALT CONTENT FOR RECYCLED ASPHALT

DETERMINING ASPHALT CONTENT FOR RECYCLED ASPHALT PAVEMENT (RAP) MATERIALS Final Report PROJECT 304-221 by Gary Thompson Asphalt Pavement Association of Oregon 5240 Gaffin Rd. SE Salem, OR 97301 for Oregon Department of Transportation Research Unit 200 Hawthorne SE, Suite B-240 Salem OR 97301-5192 and Federal Highway Administration Washington, D.C.

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Determination of recycled asphalt pavement (RAP) content ...

Determination of recycled asphalt pavement (RAP) content in asphalt mixes based on expected mixture durability. Save. Determination of recycled asphalt pavement (RAP) content in asphalt mixes based on expected mixture durability. Show Reference URL. Use of image is subject to ...

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Determining the optimum amount of recycled asphalt ...

Dec 20, 2019  The new percentage of asphalt binder content for mixtures containing recycled asphalt pavement (RAP), described as a percentage of total mixture weight, can be calculated with the following equation: : (4) Pb N = Pb T-Pb R ∗ TR where Pb N is the new percentage of asphalt binder content (%); Pb T is the optimum asphalt binder content (%); Pb R ...

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Determining the optimum amount of recycled asphalt ...

In this research, Recycled asphalt pavement (RAP) has been applied in warm stone matrix asphalt mixture. • The warm stone matrix asphalt mixture is made by two warm mix additives including sasobit and zycotherm. • A computerized programming has been developed to determine the flow number of different types of the mixture by using dynamic ...

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Recycled Asphalt Pavement - Purdue University

RECYCLED ASPHALT PAVEMENT SAVING PAVEMENT SAVING MONEY SAVING THE ENVIRONMENT Dudley Bonte, Rieth-Riley Becky McDaniel, North Central Superpave Center Indiana LTAP Asphalt Workshop November 12, 2009 1

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FLH Test Methods FHWA

May 04, 2020  FLH-Wide. FLH Addendum to AASHTO T 308 - Standard Method of Test for Correction Factors for Hot Mix Asphalt (HMA) Containing Recycled Asphalt Pavement (RAP) by the Ignition Method. FLH T 521: Standard Method of Test for Determining Riprap Gradation by Wolman Count. FLH T 522: Standard Practice for Determination of Optimum Emulsified or Foamed ...

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Recycling - National Asphalt Pavement Association

Recycling By the Numbers. 2.4 Million Metric Tons The amount of CO2e spared from the atmosphere in 2019 through the use of reclaimed asphalt pavement (RAP) in new mixtures. 89.2 Million Tons The amount of reclaimed asphalt pavement (RAP) recycled into new mixes in 2019. 94% The percentage of asphalt mixture reclaimed from old asphalt pavements and put back to use in new pavements in

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New Jersey Department of Environmental Protection

Recycled Asphalt Pavement (RAP): Recycled asphalt pavement (RAP) shall mean asphalt millings (the material produced from the milling of roads before repaving) and pieces of asphaltic roadway pavement removed from the roadway surface or subbase, or from other asphalt-paved surfaces such as parking lots. RAP does not include other Class

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RAP Detection and Quantity Determination in US Asphalt ...

FHWA, Recycling of Asphalt Pavements Using at Least 80 Percent Recycled Asphalt Pavement (RAP), Engineering and Environmental Aspects of Recycled Materials for Highway Construction, Report No. FHWA-RD-93-088, Environmental Protection Agency and

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DETERMINATION OF USABLE RESIDUAL ASPHALT BINDER

In recent years the use of reclaimed asphalt pavement (RAP) in new hot-mix asphalt (HMA) pavement construction has become more widespread. The use of RAP is desirable to both contactors and agencies due to the recognized cost savings in a recycling operation. Cost savings increase as higher RAP percentages are being used. However, physical

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Recycled Asphalt Pavement - Purdue University

RECYCLED ASPHALT PAVEMENT SAVING PAVEMENT SAVING MONEY SAVING THE ENVIRONMENT Dudley Bonte, Rieth-Riley Becky McDaniel, North Central Superpave Center Indiana LTAP Asphalt Workshop November 12, 2009 1

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Best Practices for RAP and RAS Management

guidance for management of reclaimed asphalt pavement (RAP) materials from the time of collection through processing, mix design, and quality control practices during production of asphalt mixtures containing RAP. Good RAP management practices are important to ensure the greatest economic benefit for RAP and the highest quality of recycled asphalt

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Leaching Characteristics of Recycled Asphalt Pavement: RAP ...

Recycled Asphalt Pavements (aka Milled Asphalt) May Be Safe to Use as Fill Milled Asphalt (frequently referred to as Recycled Asphalt Pavementor RAP) is commonly mixed with Hot Mix Asphalt and re-used in paving projects. However, some research has been conducted on the

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PennDOT RECYCLING MATERIAL FACT SHEET Reclaimed

Reclaimed asphalt pavement (RAP) is the term given to removed and/or reprocessed pavement materials containing asphalt and aggregates. These materials are generated when asphalt pavements are removed for reconstruction, rehabilitations, or resurfacing. Recycling of asphalt pavements dates

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Estimation of Blending of Rap Binder in a Recycled Asphalt ...

Aug 08, 2018  Many of the recycled asphalt pavement (RAP) mix design methods assume 100% blending of the RAP binder with virgin binder to estimate the properties of the binder in the RAP mix. However, 100% blending is not practically achieved.

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» Recycled Asphalt Pavement

Recycled Asphalt Pavement. The 1973 Arab Oil Embargo saw the price of crude oil rise from less than $10 a barrel to more than $35 by 1981. Suddenly binder costs, only 5% of the total mix, were now 68% of the mix materials costs. This dramatic price increase, the aging of the U.S. highway system and the realization both aggregates and binder ...

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Use Of Reclaimed Asphalt Pavement In Asphalt Pavement ...

Reclaimed Asphalt Pavement (RAP) material in hot mix asphalt construction. This specification allows for the use of both Classified and Unclassified RAP. The contractor’s development and processing of RAP into an end paving product must meet SS 502 Asphalt Pavement

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[PDF] Reclaimed Asphalt Pavement – A Literature Review ...

While the state of Illinois has been recycling Reclaimed Asphalt Pavement (RAP) material into hot-mix asphalt (HMA) since 1980, there continues to be questions regarding the correct approach to design HMA with RAP. The Illinois Department of Transportation's current method of RAP HMA design provides 100% contribution for the residual asphalt binder from the RAP based on solvent extractions.

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DETERMINING ASPHALT CONTENT FROM ASPHALT

II. Do not use the same sample used for moisture determination as used for asphalt content determination. Table 2 Required Weight of Recycled Material Sample Recycled Material Type Required Weight of Sample, g Reclaimed Asphalt Pavement (RAP)1 1,000–4,000 Recycled Asphalt Shingles (RAS)2 500–700 1. Refer to Table 1 for required sample ...

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1815 DETERMINATION of RAP AGGREGATE BULK SPECIFIC

1815 DETERMINATION of RAP AGGREGATE BULK SPECIFIC GRAVITY 1815.1 GENERAL This procedure is intended for use in determining the bulk specific gravity of the aggregates in a recycled asphalt pavement (RAP). This procedure is being used as an alternate to AASHTO T84 (Lab Manual 1205) and AASHTO T85 (Lab Manual 1204). 1815.2 SUMMARY of METHOD

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MARSHALL MIX DESIGN METHOD FOR ASPHALTIC

3.2 Reclaimed Asphalt Pavement (RAP) - RAP consists of salvaged, milled, pulverized, broken, or crushed asphalt pavement. RAP contains “RAP aggregate” and bituminous materials hereinafter referred to as “RAP Binder”. The gradation of the RAP material shall conform to

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Detection of Recycled Asphalt Pavement (RAP) in

Jun 01, 2004  to validate the forensic RAP detection and quantification methods developed in this study for a broader range of materials, including polymer-modified asphalts 17. Key Words RAP, Recycled, Reclaimed, Pavement, Bituminous, Asphalt, Quality Assurance 18. Distribution Statement No restrictions. This document is available to the public through the

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RAP Detection and Quantity Determination in US Asphalt ...

FHWA, Recycling of Asphalt Pavements Using at Least 80 Percent Recycled Asphalt Pavement (RAP), Engineering and Environmental Aspects of Recycled Materials for Highway Construction, Report No. FHWA-RD-93-088, Environmental Protection Agency and

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1815 DETERMINATION of RAP AGGREGATE BULK SPECIFIC

1815 DETERMINATION of RAP AGGREGATE BULK SPECIFIC GRAVITY 1815.1 GENERAL This procedure is intended for use in determining the bulk specific gravity of the aggregates in a recycled asphalt pavement (RAP). This procedure is being used as an alternate to AASHTO T84 (Lab Manual 1205) and AASHTO T85 (Lab Manual 1204). 1815.2 SUMMARY of METHOD

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Leaching Characteristics of Recycled Asphalt Pavement: RAP ...

Recycled Asphalt Pavements (aka Milled Asphalt) May Be Safe to Use as Fill Milled Asphalt (frequently referred to as Recycled Asphalt Pavementor RAP) is commonly mixed with Hot Mix Asphalt and re-used in paving projects. However, some research has been conducted on the

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Characterization of Reclaimed Asphalt Pavement (RAP) for ...

Dec 02, 2013  Abdulshafi, O., B. Kedzierski, and M. G. Fitch (2002) Determination of Recycled Asphalt Pavement (RAP) Content in Asphalt Mixes Based on Expected Mixture Durability, Final report submitted to the Ohio Department of Transportation.

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

“Determination of Reclaimed Asphalt Pavement Aggregate Bulk Specific Gravity”. If any individual sieve and/or asphalt binder content tests are out of the above tolerances when compared to the average used for the mix design, the FRAP stockpile shall not be used in Hot-Mix Asphalt unless the FRAP representing those tests is removed from the ...

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MARSHALL MIX DESIGN METHOD FOR ASPHALTIC

3.2 Reclaimed Asphalt Pavement (RAP) - RAP consists of salvaged, milled, pulverized, broken, or crushed asphalt pavement. RAP contains “RAP aggregate” and bituminous materials hereinafter referred to as “RAP Binder”. The gradation of the RAP material shall conform to

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AN OVERVIEW OF RECLAIMED ASPHALT PAVEMENT (RAP)

RECLAIMED ASPHALT PAVEMENT Introduction of reclaimed asphalt pavement In the report of Collins and Ciesielski (1994), RAP is a product of asphalt pavement removal and is the primary recycled material used in asphalt concrete. Milling machines break down the existing asphalt concrete pavement into discrete particles as shown in Figure 1 to

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Evaluation of Technisoil G5 Stabilizer with Recycled Asphalt

performance of a TechniSoil G5® stabilizer with 100% recycled asphalt pavement (RAP) material. The TechniSoil G5® stabilizer is a patent pending, new class of super polymers. It is a bio base stabilizing polymer that reacts with soil/base/RAP components, forming a

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UNIVERSITY OF WISCONSIN SYSTEM SOLID WASTE

The use of recycled asphalt pavement (RAP) as road base material is an increasing trend in the road construction business. Use of RAP will reduce the amount of solid waste disposed in landfills and provide more sustainable construction due to the use of in-situ materials and the lower transportation cost.

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Influence of Reclaimed Asphalt Pavement (RAP) Aggregate ...

Gradation plays significantly towards the amount of active binder in hot mix recycling, as a function of exposed specific surface of aggregates. Existing procedures do not explicitly consider gradation of the Reclaimed Asphalt Pavement (RAP) mixture in the determination of active binder content (RAb).

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UG-Mat Reclaimed Asphalt Pavement Recycled Materials ...

Reclaimed Asphalt Pavement - Material Description ORIGIN Currently there are many thousands of miles of roads, many of which are near, at or past their design life. (1) The need for roadway maintenance and roadway deconstruction has afforded a material that can be readily used for the repairs, recycled asphalt pavement (RAP).

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Determination of usable residual asphalt binder in RAP.

For current recycled mix designs, the Illinois Department of Transportation (IDOT) assumes 100% contribution of working binder from Recycled Asphalt Pavement (RAP) materials when added to Hot Mix Asphalt (HMA).

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Reclaimed Asphalt Pavement (RAP)

Asphalt Content: The asphalt content of most old pavements will comprise approximately 3 to 7 percent by weight and 10 to 20 percent by volume of the pavement. Due to oxidation aging, the asphalt cement has hardened and consequently is more viscous and has lower penetration values than the virgin asphalt

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