investigation of recycled asphalt pavement (rap) mixtures
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investigation of recycled asphalt pavement (rap) mixtures .

Investigation of Recycled Asphalt Pavement (RAP) Mixtures

Abstract. This report presents the results of a study on recycled asphalt pavement (RAP) mixtures. The report includes a literature review on RAP and a summary of past research. The research focuses on the use of resilient modulus and complex modulus testing to compare mixtures compacted with only virgin materials to those compacted with ...

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INVESTIGATION OF RECYCLED ASPHALT PAVEMENT

INVESTIGATION OF RECYCLED ASPHALT PAVEMENT (RAP) MIXTURES. This report presents the results of a study on asphalt pavement (RAP) mixtures. The report includes a literature review on RAP and a summary of past research. The research focuses on the use of resilient modulus and complex modulus testing to compare mixtures compacted with only virgin ...

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Investigation on the effect of high amount of Re-recycled ...

Application of a high percentage of reclaimed asphalt pavement in an asphalt mixture: blending process and performance investigation Road Materials and Pavement Design , 18 ( 3 ) ( 2017 ) , pp. 753 - 765 , 10.1080/14680629.2016.1182941

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Detection of Recycled Asphalt Pavement (RAP) in

Jun 01, 2004  Detection of Recycled Asphalt Pavement (RAP) in Bituminous Mixtures ITRC Project IA-H1 FY02 FINAL REPORT Submitted By: William G. Buttlar Associate Professor, Department of Civil Engineering University of Illinois at Urbana-Champaign 205 N. Mathews Ave. Urbana, Illinois 61801 (217) 333-5966 Fax (217) 333-1924 Email: [email protected] Walid Nassar

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Investigation of Effects of the Recycled Asphalt Pavement ...

Behnia, Dave, Ahmed, Buttlar, Reis 1 Investigation of Effects of the Recycled Asphalt Pavement (RAP) Amounts on Low Temperature Cracking Performance of Asphalt Mixtures using Acoustic Emissions (AE) Behzad Behnia (Corresponding Author) Graduate Research Assistant Department of Civil Environmental Engineering University of Illinois at Urbana-Champaign 205 N. Mathews MC 250,

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Investigation of recycled asphalt mixtures in Missouri ...

Feb 25, 2021  Investigation of recycled asphalt mixtures in Missouri: laboratory, field, and ILLI-TC modelling. Published: 02/25/2021 ... USA, containing reclaimed asphalt pavement (RAP) and recycled asphalt shingles (RAS). Laboratory tests including disk-shaped compact tension fracture (DC(T)), indirect tension (IDT) creep and strength, Illinois flexibility ...

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Investigation on the effect of high amount of Re-recycled ...

Application of a high percentage of reclaimed asphalt pavement in an asphalt mixture: blending process and performance investigation Road Materials and Pavement Design , 18 ( 3 ) ( 2017 ) , pp. 753 - 765 , 10.1080/14680629.2016.1182941

Get Price

RAP Final Report20020220

This report presents research findings from the Investigation of Recycled Asphalt Pavement (RAP) Mixtures project. The objectives of this report were to: 1. Describe the RAP material used in the project. 2. Describe the test methods used and the results obtained from the testing. 3.

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Detection of Recycled Asphalt Pavement (RAP) in

Jun 01, 2004  Detection of Recycled Asphalt Pavement (RAP) in Bituminous Mixtures ITRC Project IA-H1 FY02 FINAL REPORT Submitted By: William G. Buttlar Associate Professor, Department of Civil Engineering University of Illinois at Urbana-Champaign 205 N. Mathews Ave. Urbana, Illinois 61801 (217) 333-5966 Fax (217) 333-1924 Email: [email protected] Walid Nassar

Get Price

Investigation of Effects of the Recycled Asphalt Pavement ...

Behnia, Dave, Ahmed, Buttlar, Reis 1 Investigation of Effects of the Recycled Asphalt Pavement (RAP) Amounts on Low Temperature Cracking Performance of Asphalt Mixtures using Acoustic Emissions (AE) Behzad Behnia (Corresponding Author) Graduate Research Assistant Department of Civil Environmental Engineering University of Illinois at Urbana-Champaign 205 N. Mathews MC 250,

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Recycled Asphalt Pavement: Study for High-RAP Asphalt ...

Local Road Research Board (LRRB) project number 889, titled, “Study of High Recycled Asphalt Pavement (RAP) Asphalt Mixtures was sponsored by the Minnesota Local Road Research Board. The project included: surveys of local road performance, study of asphalt activation in the plant and lab, and the design and testing of high-RAP laboratory ...

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(PDF) Laboratory Investigation of Mixing Hot-Mix Asphalt ...

Aged asphalt binder in reclaimed asphalt pavement (RAP) or recycled asphalt shingles (RAS) blends only partially with the virgin binder. ... Investigation into three-layered HMA mixtures. May 2006 ...

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Investigation of Properties of Plant-Produced Reclaimed ...

The influence of reclaimed asphalt pavement (RAP) content on the mixture and recovered binder properties of plant-produced hot-mix asphalt (HMA) was examined by studying the complex moduli of RAP mixtures and binders. RAP was added at 15%, 25%, and 40% levels to HMA with PG 64-22 and at 25% and 40% levels to HMA with PG 58-28 binder.

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Recycled Asphalt Shingles in Asphalt Pavements

positive results for asphalt mixtures in Arkansas, provisions for the design, verification, and construction of pavement utilizing RAS will contribute to the pavement engineering community. Recycled, or Reclaimed, Asphalt Shingles (RAS) is a technology that holds promise for reduced impacts

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Laboratory Investigation on Residual Strength of Reclaimed ...

recycling asphalt mixture and its mix design method [6-8]. However, the performance of cold recycled asphalt mixture is not as good as hot mix asphalt mixture or hot recycled asphalt mixture. Thus, cold recycling of asphalt mixture is mainly used as base layers. More importantly, there are still many disagreements about the practical

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Double-Recycled Reclaimed Asphalt Pavement: A Laboratory ...

In this study, the low-temperature response of asphalt mixture prepared with single-recycled RAP (SRRAP) and double-recycled RAP (DRRAP), prepared in the laboratory, is experimentally investigated based on creep testing performed with the bending beam rheometer (BBR).

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Continuing and Ongoing RAP Research

Mar 01, 2010  Investigation of Recycled Asphalt Pavement and Recycled Shingle Pavement Characterization Procedure Development of Specification for Recycled Asphalt Pavement. ALDOT. NCAT. 3/1/2010. Field Control and Performance of Asphalt Mixtures Containing Greater than 25 Percent Reclaimed Asphalt Pavement. ALDOT. NCAT. 6/30/2014

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Investigation of Blending Mechanisms for Reclaimed Asphalt ...

Jan 01, 2016  The use of reclaimed asphalt pavement (RAP) in new pavement construction or pavement rehabilitation projects contributes to sustainable construction. However, the blending between RAP binder and virgin binder could significantly affect pavement performance, especially in

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fly ash stabilization of recycled asphalt pavement

Nov 15, 2002 subgrade stabilization using recycled asphalt pavement and fly ash mixtures This paper describes field and laboratory testing conducted to evaluate the performance of soft subgrade stabilized with combinations of fly ash as a chemical stabilizer and Recycled Asphalt Product (RAP) as a mechanical stabilizer.

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Investigation of recycled asphalt mixtures in Missouri ...

Feb 25, 2021  Investigation of recycled asphalt mixtures in Missouri: laboratory, field, and ILLI-TC modelling. Published: 02/25/2021 ... USA, containing reclaimed asphalt pavement (RAP) and recycled asphalt shingles (RAS). Laboratory tests including disk-shaped compact tension fracture (DC(T)), indirect tension (IDT) creep and strength, Illinois flexibility ...

Get Price

Investigation on the effect of high amount of Re-recycled ...

Application of a high percentage of reclaimed asphalt pavement in an asphalt mixture: blending process and performance investigation Road Materials and Pavement Design , 18 ( 3 ) ( 2017 ) , pp. 753 - 765 , 10.1080/14680629.2016.1182941

Get Price

RAP Final Report20020220

This report presents research findings from the Investigation of Recycled Asphalt Pavement (RAP) Mixtures project. The objectives of this report were to: 1. Describe the RAP material used in the project. 2. Describe the test methods used and the results obtained from the testing. 3.

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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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Investigation of the Black Rock Issue for Recycled Asphalt ...

As part of the NCHRP 9-12 research, Incorporation of Reclaimed Asphalt Pavement in the Superpave system, a study was carried out to investigate whether Reclaimed Asphalt Pavement (RAP) acts like a black rock when added to hot mix asphalt mixtures. Three RAPS with different stiffness, two new binders, and two RAP ratios were used. For mixtures with 10% RAP, there was no significant

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Investigation of cracking resistance of recycled superpave ...

Reclaimed Asphalt Pavement (RAP) and Recycled Asphalt Shingles (RAS) are used in Hot-Mix Asphalt (HMA). However, as higher amounts of RAP/RAS material are being promoted, the potential for premature pavement distresses especially cracking is increasing.

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Minnesota Local Road Research Board (LRRB) Investigation ...

May 29, 2012  Investigation 864 and, MPR Project No. 6-(022) Recycled Asphalt Pavement: MnROAD Study of Fractionated RAP . Task 4 Summary Report: Laboratory Testing of Conventional and Fractionated RAP Bituminous Mixtures from MnROAD Phase 2 Construction . Submitted to the LRRB and FHWA technical advisory panels: May 29, 2012

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Laboratory Investigation on Residual Strength of Reclaimed ...

recycling asphalt mixture and its mix design method [6-8]. However, the performance of cold recycled asphalt mixture is not as good as hot mix asphalt mixture or hot recycled asphalt mixture. Thus, cold recycling of asphalt mixture is mainly used as base layers. More importantly, there are still many disagreements about the practical

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Recycling of Laboratory-Prepared Reclaimed Asphalt ...

In this study, a laboratory investigation was conducted on the possibility of laboratory-prepared crumb rubber–modified RAP being recycled in Superpave mixtures according to a normal recycling practice. Six mixtures (three recycled mixtures containing laboratory-prepared crumb rubber–modified RAP and three control virgin mixtures) were ...

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Investigation of Blending Mechanisms for Reclaimed Asphalt ...

Jan 01, 2016  The use of reclaimed asphalt pavement (RAP) in new pavement construction or pavement rehabilitation projects contributes to sustainable construction. However, the blending between RAP binder and virgin binder could significantly affect pavement performance, especially in

Get Price

fly ash stabilization of recycled asphalt pavement

Nov 15, 2002 subgrade stabilization using recycled asphalt pavement and fly ash mixtures This paper describes field and laboratory testing conducted to evaluate the performance of soft subgrade stabilized with combinations of fly ash as a chemical stabilizer and Recycled Asphalt Product (RAP) as a mechanical stabilizer.

Get Price

(PDF) LABORATORY INVESTIGATION ON HOT MIX ASPHALT

es total limit (m aggregate 0% 20% 30% 40% The properties of the recycled mixture are believed to be m) passing the RAP RAP RAP RAP mainly influenced by the aged reclaimed asphalt pavement IS sieves (RAP) binder properties and the amount of RAP in the 26.5 100 100 100 100 100 100 mixture.

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A LABORATORY EVALUATION ON THE USE OF RECYCLED

Reclaimed asphalt pavement (RAP) is produced either by cold planning (CP) or by heating/softening and removal of the existing aged asphalt pavement. Recycling of the RAP has become more popular since the late 1970’s although it had been practiced as early as 1915. The

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Stiffness Characterization of Asphalt Mixtures with High ...

Jan 01, 2017  However, given the concerns about long-term pavement performance, state departments of transportation (DOTs) tend to limit the quantities of these recycled materials unless certain mixture modifications are made [e.g., use of a softer virgin binder performance grade (PG) and warm-mix asphalt technology, the addition of a recycling agent (RA ...

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