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determining asphalt content for recycled asphalt

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DETERMINING ASPHALT CONTENT FOR RECYCLED

Determining Asphalt Content for Recycled Asphalt Pavement (RAP) Materials Final Report 6. Performing Organization Code 7. Author(s) Gary Thompson 8. Performing Organization Report No. 10. Work Unit No. (TRAIS) 9. Performing Organization Name and Address Asphalt Pavement Association of Oregon Asphalt Research Program 5240 Gaffin Rd. SE Salem ...

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Determining asphalt content for recycled asphalt pavement ...

The State of Oregon uses significant amounts of Recycled Asphalt Pavement (RAP) in dense-graded mixes on State highways. The design process for these mixes relies on accurately knowing the amount of asphalt cement in the RAP materials being used.

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DETERMINING ASPHALT CONTENT FOR RECYCLED

DETERMINING ASPHALT CONTENT FOR RECYCLED ASPHALT PAVEMENT (RAP) MATERIALS. FINAL REPORT. The State of Oregon uses significant amounts of Recycled Asphalt Pavement (RAP) in dense-graded mixes on State highways. The design process for these mixes relies on accurately knowing the amount of asphalt cement in the RAP materials being used.

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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 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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DETERMINING ASPHALT CONTENT FROM ASPHALT PAVING

Recycled Asphalt Shingles (RAS)2 500–700 1. Refer to Table 1 for required sample weights. 2. Sample size exceeding the required weight above may not completely ignite the asphalt. PART I—DETERMINE ASPHALT CONTENT BY IGNITION METHOD 7. SCOPE 7.1 Use this procedure to determine the asphalt content of hot mix asphalt (HMA) paving mixtures using an

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Determining the optimum amount of recycled asphalt ...

Dec 20, 2019  The recycled asphalt pavement (RAP) applied in this research was provided by a heavy traffic highway in Tehran, Iran. The residual asphalt binder content of RAP was gained by the centrifugal extractor apparatus according to standard test method as ASTM D 2172. The results of recovered asphalt from RAP are shown in Table 5.

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DETERMINING ASPHALT CONTENT FOR RECYCLED ASPHALT

DETERMINING ASPHALT CONTENT FOR RECYCLED ASPHALT PAVEMENT (RAP) MATERIALS. FINAL REPORT. The State of Oregon uses significant amounts of Recycled Asphalt Pavement (RAP) in dense-graded mixes on State highways. The design process for these mixes relies on accurately knowing the amount of asphalt cement in the RAP materials being used.

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Determining the optimum amount of recycled asphalt ...

Dec 20, 2019  The recycled asphalt pavement (RAP) applied in this research was provided by a heavy traffic highway in Tehran, Iran. The residual asphalt binder content of RAP was gained by the centrifugal extractor apparatus according to standard test method as ASTM D 2172. The results of recovered asphalt from RAP are shown in Table 5.

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METHOD OF DETERMINING ASPHALT CONTENT OF

METHOD OF DETERMINING ASPHALT CONTENT OF BITUMINOUS MIXTURES BY USE OF THE NUCLEAR GAGE A. SCOPE . This test method describes the procedure for determining the asphalt content of either a conventional bituminous mixture or a recycled mixture by means of an Asphalt Content Gage. The gage operates on the principal of neutron moderation.

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DETERMINING RECYCLED ASPHALT BINDER LIMITS

The idea of recycling asphalt pavements and shingles has been in practice for more than a couple of decades. Reclaimed Asphalt Pavement (R AP) and Reclaimed Asphalt Shingles (R AS) hold significant value with regard to the recycled binder and the recycled aggregate both of which can be incorporated into Hot Mix Asphalt (HM A).

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Recycled Asphalt Shingles in Asphalt Pavements

Recycled, or Reclaimed, Asphalt Shingles (RAS) is a technology that holds promise for reduced impacts on landfills, reducing asphalt costs, and enhancing pavement performance. However, the manner in which RAS influences certain pavement properties has

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DETERMINING ASPHALT CONTENT FROM ASPHALT

DETERMINING ASPHALT CONTENT FROM ASPHALT PAVING MIXTURES BY THE IGNITION METHOD TXDOT DESIGNATION: TEX-236-F CONSTRUCTION DIVISION 6 – 6 05/09–12/10 8.15 Calculate the asphalt content of the sample according to Section 9.1. Note 15—Asphalt content reported by the ignition oven may be used if proven accurate. 8.16 Empty the contents of the basket

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Refining the Ignition Method for Asphalt Content Determination

Asphalt Content Average Correction Factors - Mix 3. Table 2 summarizes the average asphalt content, average CF, and within- and between-lab standard deviations for each mix. Mixes 1 and 2 had similar within- and between-lab standard deviations: 0.089 and

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The Nuclear Asphalt Content Gauge FHWA

Currently, there are three gauges on the market for determining the asphalt content. Two are made by Troxler Corporation, Models 3241-C and 3242, and one by CPN Inc., Model AC-2. The other nuclear density gauge manufacturers, Seaman and Humboldt, do not currently offer asphalt content gauges. These gauges consist of a control unit, sample ...

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What Is Recycled Asphalt Asphalt Recycling Benefits 2020

Jun 29, 2020  Taxpayers save money by recycling asphalt. Contractors also save on transportation, energy and material costs. Other benefits of using recycled asphalt include reduce the demand for new asphalt that’s more expensive, improved asphalt stiffness, and reduces the likelihood of cracking when used on pavements.

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SYNOPSIS OF RECYCLED ASPHALT PAVEMENT (RAP)

asphalt content of the mixture is compared to virgin asphalt binder added to the mixture. An extraction of the asphalt mixture is required to determine the total asphalt binder content as placed. The amount of virgin asphalt binder added is known from the plant

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ncat asphalt content furnace labplant

A Proven ignition method for determining asphalt content. Accommodate larger sample testing and reduce labour and cost with the Thermo Scientific™ NCAT Asphalt Content Furnace, which uses an environmentally friendly, cost-effective ignition method to determine asphalt content by eliminating the cost of solvent and solvent disposal.

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Evaluation of Fatigue Characteristics of Reclaimed Asphalt ...

Nov 15, 2021  The Marshall mixture design method as per ASTM D1559 was used for determining the optimum asphalt content (OAC). Five percentages of virgin (new) asphalt of (4, 4.5, 5, 5.5, and 6) % by weight of total mix were blended with new aggregate for preparing the specimens.

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FOP AASHTO T 308 (20) - WAQTC

Some agencies allow the use of recycled asphalt mixtures. When using recycled asphalt mixtures, check with the agency for specific correction procedures. Asphalt binder in the asphalt mixture is ignited in a furnace. Asphalt binder content is calculated as the percentage difference between the initial mass of the asphalt mixture and

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Authority to Operate Asphalt Pavement Crushing and ...

Authority to Operate Asphalt Pavement Crushing and Recycling Equipment The San Diego Air Pollution Control District (District) Rule 10 requires written authorization to operate equipment that may cause the issuance of air contaminants. The requirement for written authorization to operate includes asphalt pavement crushing and recycling equipment.

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Determination of Optimum Emulsified Asphalt Content of ...

Determination of Optimum Emulsified Asphalt Content of Cold In-Place Recycled Mixtures . FLH Designation: T 524 . 1. SCOPE 1.1. This standard practice is used to determine the percent of emulsified asphalt and other additives to use for recycling asphalt concrete when using Cold In-Place Recycling (CIR) of bituminous pavements.

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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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DETERMINING RECYCLED ASPHALT BINDER LIMITS

The idea of recycling asphalt pavements and shingles has been in practice for more than a couple of decades. Reclaimed Asphalt Pavement (R AP) and Reclaimed Asphalt Shingles (R AS) hold significant value with regard to the recycled binder and the recycled aggregate both of which can be incorporated into Hot Mix Asphalt (HM A).

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METHOD OF TEST FOR QUANTITATIVE DETERMINATION OF

QUANTITATIVE DETERMINATION OF ASPHALT CEMENT CONTENT BY IGNITION AND ANALYSIS OF REMAINING AGGREGATE FROM BITUMINOUS PAVING MIXTURES 1. SCOPE 1.1 This method covers the quantitative determination of asphalt cement in a bituminous paving mixture by ignition in a furnace. It can be used for mixes containing recycled asphalt pavement (RAP).

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Asphalt Binder Extraction Protocol for Determining Amount ...

are different well established AASHTO procedures to determine the asphalt content of an asphalt mix, the accuracy of these test procedures may be sensitive to local materials. In addition, as the use of high recycled binder content mixes increases, there is a need to evaluate the within-lab and between-lab variability. A second goal for this ...

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The Nuclear Asphalt Content Gauge FHWA

Currently, there are three gauges on the market for determining the asphalt content. Two are made by Troxler Corporation, Models 3241-C and 3242, and one by CPN Inc., Model AC-2. The other nuclear density gauge manufacturers, Seaman and Humboldt, do not currently offer asphalt content gauges. These gauges consist of a control unit, sample ...

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SYNOPSIS OF RECYCLED ASPHALT PAVEMENT (RAP)

asphalt content of the mixture is compared to virgin asphalt binder added to the mixture. An extraction of the asphalt mixture is required to determine the total asphalt binder content as placed. The amount of virgin asphalt binder added is known from the plant

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PennDOT RECYCLING MATERIAL FACT SHEET Reclaimed

Asphalt pavement is America’s most recycled and reused material. A recent FHWA survey reported that asphalt pavement recycled and reused rate is approximately 99 percent for WMA. In 2018, the National Asphalt Pavement Association (NAPA) reported: • RAP usage in asphalt mixtures reached an all-time high of approximately 82.2 million tons,

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

Hot-Mix Recycled Asphalt Pavement and Recycled Asphalt Shingles ... Determine the RAP or RAS asphalt content using PTM No. 757 Section 5 or PTM No. 702 (use a specific gravity of 1.030 for the asphalt cement). PTM No. 702 is the referee method if results are questionable or greater accuracy

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Investigation of fatigue performance of asphalt mixtures ...

The addition of recycling agents (RA) or softer virgin binder to asphalt mixtures containing high RAP content has been suggested to mobilize the RAP binder for diffusion with the virgin binder which is required for replacement of virgin binder, mitigate the increased stiffness of the blended binder, and restore the RAP binder properties (with a ...

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INTERESTED IN GIVING RECYCLED ASPHALT PAVEMENT A

total asphalt content of the mixture is compared to vir-gin asphalt binder added to the mixture. An extraction of the asphalt mixture is required to determine the to-tal asphalt binder content as placed. The amount of virgin asphalt binder added is known from

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ncat asphalt content furnace labplant

A Proven ignition method for determining asphalt content. Accommodate larger sample testing and reduce labour and cost with the Thermo Scientific™ NCAT Asphalt Content Furnace, which uses an environmentally friendly, cost-effective ignition method to determine asphalt content by eliminating the cost of solvent and solvent disposal.

View More

FOP AASHTO T 308 (20) - WAQTC

Some agencies allow the use of recycled asphalt mixtures. When using recycled asphalt mixtures, check with the agency for specific correction procedures. Asphalt binder in the asphalt mixture is ignited in a furnace. Asphalt binder content is calculated as the percentage difference between the initial mass of the asphalt mixture and

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Four important considerations when ... - Asphalt magazine

The gradation and particle shape of the aggregate influences the mixture volumetrics, compactability and load-carrying capability. The moisture content of the stockpiled RAP will influence how the mix coats and holds its asphalt film. 2. Determining asphalt binder content. There are two standardized methods of determining the binder content of ...

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