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design factors for using rap in hot mix asphalt

design factors for using rap in hot mix asphalt

Design Factors For Using RAP In Hot Mix Asphalt

2021-11-23  Design Factors For Using RAP In Hot Mix Asphalt Greater Iowa Asphalt Conference March 2006. What is RAP ? Recycled Asphalt Pavement A s p ha l t p a v e m e n t A s p ha l t p a v e m e n t r e m o v e ... Recovery of Asphalt Binder from Hot Mix Asphalt (HMA) DESIGN PG 64 -22 64 C-22 C-11 C 86 C-28 C 58 C RAP DESIGN VIRGIN. RAP in HMA Binder ...

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Evaluation of RAP impact on hot-mix asphalt design and ...

The study concluded that using RAP materials may increase the potential for low-temperature cracking. AB - This study investigates the reclaimed asphalt pavement (RAP) effect on hot-mix asphalt (HMA) volumetric and mechanical properties. An experimental program, including tests for measuring mixture complex moduli and fracture energy, was ...

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Evaluation of RAP Impact on Hot-Mix Asphalt Design and ...

2009-3-15  Evaluation of RAP Impact on Hot-Mix Asphalt Design and Performance. The objective of this paper is to investigate the reclaimed asphalt pavement (RAP) effect on hot-mix asphalt (HMA) volumetric and mechanical properties. An experimental program, including tests for measuring mixture complex moduli and fracture energy, was conducted.

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Design considerations of high RAP-content asphalt

2018-7-3  A control hot mix asphalt which was manufactured with 49 dmm penetration binder and asphalt mixtures containing 50% RAP produced at temperatures between 95 and 135 °C and at different mixing times were investigated in terms of volumetric properties, indirect tensile stiffness modulus, and indirect tensile strength.

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Mix design considerations for warm mix recycled asphalt ...

2012-3-1  Highlights Warm mix recycled asphalt (WMRA) with bitumen emulsion. Low temperature production, use of large amounts of recycled asphalt pavement (RAP) and low CO 2 emissions. Characterise the material composition of warm-mix asphalt recycled (RAP and bitumen emulsion). Studied the different design methods in order to choose the most suitable

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Correction Factors for Hot Mix Asphalt (HMA)

2021-5-19  containing RAP. Correction factor(s) must be determined before any acceptance testing is completed and repeated each time a change in the mix design occurs. Any changes greater than 5 percent in stockpiled aggregate proportions shall require new correction factors. A1.1.1. Asphalt binder correction factor—Certain virgin aggregate types or RAP ...

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RAP Mix Design for HMA Pavements Roads Bridges

2000-12-28  The procedure is essentially the same as presented in the Asphalt Institute’s MS-2 and MS-20 publications and has been the primary method used for RAP mix design since its development. Viscosity blends in RAP When the viscosity blending approach was first introduced, the graphical solution to percentage RAP was used for each RAP mix design.

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An Investigation of the Performance of Hot Mix Asphalt ...

2016-4-28  allow the use of 30% or more RAP in the design of Hot Mix Asphalt (HMA), the current average RAP usage is only about 10 to 20%. This is because of the uncertainty about the performance of HMA mixes with a high RAP content. Several factors influence the performance of the HMA mixes with a high RAP content.

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Performance-based design of asphalt mixtures and review

2018-3-5  However, the growing use of Reclaimed Asphalt Pavement (RAP), warm mix asphalt (WMA) technologies, use of alternative aggregates, bitumen modifiers, improvements in oil refinery processes and other technological advances are changing asphalt concrete beyond the narrow margins for which empirical mix design criteria hold true.

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Volumetric Design for Hot-Mix Asphalt (HMA)

2020-4-17  Volumetric Design for Hot-Mix Asphalt (HMA) 1. Scope . 1.1 This standard for mix design evaluation uses aggregate and mixture properties to produce a hot-mix asphalt (HMA) job-mix formula. The mix design is based on the volumetric properties of the HMA in terms of the air voids (V ), voids in the mineral aggregate (VMA), and voids . a

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Asphalt Mixture with RAP: Mix Design Optimization

The addition of reclaimed asphalt pavement (RAP) in hot mix asphalt is now common practice in Switzerland. With the increases of RAP content in asphalt mixture, the problematic of the mix design optimization becomes an important issue to be considered. The described project deals with the mix design optimization of hot mix asphalt containing 40 % RAP.

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An Investigation of the Performance of Hot Mix Asphalt ...

2016-4-28  allow the use of 30% or more RAP in the design of Hot Mix Asphalt (HMA), the current average RAP usage is only about 10 to 20%. This is because of the uncertainty about the performance of HMA mixes with a high RAP content. Several factors influence the performance of the HMA mixes with a high RAP content.

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DESIGN PROCEDURE FOR RECYCLED HOT MIX ASPHALT

This document outlines the mix design procedures for Superpave hot mix asphalt containing. Reclaimed Asphalt Pavement (RAP) or Roof Shingle Tabs (RST) or both. The method essentially follows MTO LS-309, Practice for Superpave Mix Design, which modifies AASHTO R 35, Standard Practice for Superpave Volumetric Design for Hot-Mix Asphalt (HMA). 2.

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Use of Reclaimed Asphalt Pavement (RAP) Under

2014-4-1  Provided the RAP properties are properly accounted for in the material selection and mix design process, Superpave mixtures with RAP can perform very well. 17. Key Words Reclaimed Asphalt Pavement, RAP, recycling, Superpave, hot mix asphalt, rutting 18. Distribution Statement No restrictions. This document is available to the public through the

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HOT MIX ASPHALT PAVEMENT DESIGN GUIDE

2021-5-13  HOT MIX ASPHALT PAVEMENT DESIGN GUIDE The Maryland Asphalt Association,Inc. Requirements for Successful Asphalt Pavement Construction 1 GOOD PLANNING 2 GOOD DESIGN 3 GOOD CONSTRUCTION A) Materials B) Subgrade C) Workmanship 4 GOOD MAINTENANCE published for Maryland Asphalt Association, Inc.

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METHOD OF TEST FOR COMBINING GRADATIONS FOR

2019-11-22  MS-2 "Mix Design Methods for Asphalt Concrete and Other Hot Mix Types ," and Superpave Series No.2 (SP-2) "Superpave Mix Design" provide in-depth procedures for preparing HMA using RAP and/or RAS for mix design and the determination of a job mix formula (JMF). C. APPARATUS 1. Ovens: Oven(s) with free circulation of air for heating aggregates ...

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SUBJECT: HOT MIX ASPHALT (HMA) MIXTURE DESIGN

2019-3-14  Compacted Hot Mix Asphalt (HMA) Using Saturated Surface-Dry Specimens. 19. AASHTO T 176 - Standard Method of Test for Plastic Fines in Graded Aggregates and Soils by Use of the Sand Equivalent Test. 20. AASHTO T 209 – Standard Method of Test for Theoretical Maximum Specific Gravity (Gmm) and Density of Hot Mix Asphalt (HMA). 21.

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Volumetric Design for Hot-Mix Asphalt (HMA)

2020-4-17  Volumetric Design for Hot-Mix Asphalt (HMA) 1. Scope . 1.1 This standard for mix design evaluation uses aggregate and mixture properties to produce a hot-mix asphalt (HMA) job-mix formula. The mix design is based on the volumetric properties of the HMA in terms of the air voids (V ), voids in the mineral aggregate (VMA), and voids . a

get price

Asphalt Pavement Thickness and Mix Design - Asphalt

Home » Engineering » Frequently Asked Questions (FAQs) » Asphalt Pavement Thickness and Mix Design While there are an infinite number of questions that can be asked, we compiled a list of those questions that have been directed to us the most. These FAQs are categorized into subject areas listed in the contents dropdown box Continue reading Asphalt Pavement

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Quality Control Manual for Hot Mix Asphalt Using ...

2020-2-28  The Statistical Pay Factor specifications, Section 39-. õ “Type A Hot Mix Asphalt using Statistical Pay Factors,” and 39-., “Rubberized Hot Mix Asphalt Gap-Graded Using Statistical Pay Factors,”will be added as a special provision in each contract prior to being incorporated into the Standard Specifications. Like the old QCQA ...

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Asphalt Mixture with RAP: Mix Design Optimization

The addition of reclaimed asphalt pavement (RAP) in hot mix asphalt is now common practice in Switzerland. With the increases of RAP content in asphalt mixture, the problematic of the mix design optimization becomes an important issue to be considered. The described project deals with the mix design optimization of hot mix asphalt containing 40 % RAP.

get price

DESIGN PROCEDURE FOR RECYCLED HOT MIX ASPHALT

This document outlines the mix design procedures for Superpave hot mix asphalt containing. Reclaimed Asphalt Pavement (RAP) or Roof Shingle Tabs (RST) or both. The method essentially follows MTO LS-309, Practice for Superpave Mix Design, which modifies AASHTO R 35, Standard Practice for Superpave Volumetric Design for Hot-Mix Asphalt (HMA). 2.

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Use of Reclaimed Asphalt Pavement (RAP) Under

2014-4-1  Provided the RAP properties are properly accounted for in the material selection and mix design process, Superpave mixtures with RAP can perform very well. 17. Key Words Reclaimed Asphalt Pavement, RAP, recycling, Superpave, hot mix asphalt, rutting 18. Distribution Statement No restrictions. This document is available to the public through the

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Balanced Asphalt Mixture Design – A Formula for Success

2020-1-28  Minnesota Balanced Design of Asphalt Mixtures Texas Develop Guidelines and Design Program for Hot-Mix Asphalts Containing RAP, RAS, and Other Additives through a Balanced Mix Design Process Wisconsin 1. Analysis and Feasibility of Asphalt Pavement Performance -Based Testing Specifications 2. Regressing Air Voids for Balanced HMA Mix

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Laboratory Investigation of Cracking Resistance of Hot-Mix ...

This paper presents the results from a laboratory study in which hot-mix asphalt (HMA) mixtures with No. 4 sieve screened reclaimed asphalt pavement (RAP) were characterized for their cracking resistance through laboratory performance testing.

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SUBJECT: HOT MIX ASPHALT (HMA) MIXTURE DESIGN

2019-3-14  Compacted Hot Mix Asphalt (HMA) Using Saturated Surface-Dry Specimens. 19. AASHTO T 176 - Standard Method of Test for Plastic Fines in Graded Aggregates and Soils by Use of the Sand Equivalent Test. 20. AASHTO T 209 – Standard Method of Test for Theoretical Maximum Specific Gravity (Gmm) and Density of Hot Mix Asphalt (HMA). 21.

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MATERIAL SPECIFICATION FOR HOT MIX ASPHALT

RAP, the mix design procedures and tests shall be in accordance to the Marshall Method in the Asphalt Institute Manual Series No. 2, MS-02, following the LS-261, LS-262, LS-263, LS-264, LS-265, and T-283-03 tests and the requirements detailed herein. Mix design procedures for mixes that contain RAP shall be according to Table 10.

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METHOD OF TEST FOR COMBINING GRADATIONS FOR

2019-11-22  MS-2 "Mix Design Methods for Asphalt Concrete and Other Hot Mix Types ," and Superpave Series No.2 (SP-2) "Superpave Mix Design" provide in-depth procedures for preparing HMA using RAP and/or RAS for mix design and the determination of a job mix formula (JMF). C. APPARATUS 1. Ovens: Oven(s) with free circulation of air for heating aggregates ...

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Estimating Blending Level of Fresh and RAP Binders in ...

2019-4-24  producing and using RAP has been seen in asphalt pavement industry in United States. According to National Asphalt Pavement Association (NAPA) currently approximately 500 million tons of new asphalt pavement material is produced in U.S., and this amount includes 60 million tons of reclaimed material reused or recycled into pavements.

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Asphalt Pavement Thickness and Mix Design - Asphalt

Home » Engineering » Frequently Asked Questions (FAQs) » Asphalt Pavement Thickness and Mix Design While there are an infinite number of questions that can be asked, we compiled a list of those questions that have been directed to us the most. These FAQs are categorized into subject areas listed in the contents dropdown box Continue reading Asphalt Pavement

get price