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Asphalt Mix Design - FPA

•Add mix sample to beaker, maintain boil for 10 m ± 30 s •Remove beaker and skim asphalt from water surface •Decant water and empty wet mix onto white towel •Visually estimate degree of stripping •Repeat after mix has dried for 24 ± 2 hrs •Report as estimated % stripping after drying period

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Choosing the Right Asphalt Mix For the Right Road

Asphalt Mix For the Right Road Clark Morrison Pavement Management Unit . What is the Difference Between Asphalt Surface Mixes? SF9.5A S9.5B S9.5C S9.5D . As you go from A to B to C to D: •Liquid AC gets stiffer ... Surface Mix Level Any A More than 4” B More than 7" C

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HOT MIX ASPHALT PAVEMENT DESIGN GUIDE

4 Chart 1: Recommended Mixes for Normal HMA Applications (Proposed compaction levels based on NCHRP 9-9 levels @ 4% Per Voids) Low Volume Design Level Recommended Aggregate Size Binder Type Compaction Level Compacted Thickness Surface 9.5mm PG64-22 50 gyrations 1.5” Base 12.5mm PG64-22 50 gyrations 2” 19mm PG64-22 50 gyrations 3”

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Asphalt Pavement Thickness and Mix Design - Asphalt

Mix temperature is dependent on the grade of asphalt used in the mix. Less viscous the asphalt requires lower the temperatures, while more viscous asphalt requires higher temperatures. At the start of a mix design project, target temperatures are specified for proper mixing and compaction.

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Asphaltic Concrete Mix Design Road Surface Asphalt

Mix Design Method MS 535 Specification for asphaltic concrete for road pavement and airfield runway by the Marshall test method. Asphalt Institute MS-2 Mix design methods for asphalt concrete. Mix Design Requirements 1. Grading of combined aggregates + filler Table 4.8 JKR/SPJ. 2. Bitumen content - Table 4.9 JKR/SPJ. 3.

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Mix Design Road Surface Asphalt

Mix Design - Free download as Powerpoint Presentation (.ppt), PDF File (.pdf), Text File (.txt) or view presentation slides online. Mix Design

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Asphalt Paving Design Guide - APAO

Asphalt Paving Design Guide prepared for the Asphalt Pavement Association of Oregon 5240 Gaffin Road, SE Salem, OR 97301 by R.G. Hicks Department of Civil Engineering Oregon State University Corvallis, OR 97331 Paul Curren Pavement Engineering Inc. Petaluma, CA 94954 and James R. Lundy Department of Civil Engineering Oregon State University

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Asphalt Pavement Association Of Michigan Selecting the ...

Selecting the Right Mix Asphalt Mix History 1970’s 4.11 Bituminous Aggregate Pavement 4.12 9A Binder ... surface of mix) Asphalt Pavement Association Of Michigan Selecting the Right Mix. Binder Grade Selection Grade varies with: ... – for toll road PG 64-22

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Asphalt mix design manual for South Africa

Asphalt mix design manual for South Africa, provisional working document November 2014 Asphalt mix design manual for South Africa Draft document June 2014 Southern African Bitumen Association (Sabita) Post Net Suite 56, Private Bag X21 Howard Place, 7450

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Hot Mix Asphalts 101 - State

Specific Mix Design Objectives • Stability (permanent deformation resistance) ... Basic Mix Design Philosophy Asphalt binder content – As much asphalt as possible for • Durability • Fatigue resistance ... surface, 0.5 x 0.7 mm. Wegan and Brulé, AAPT, 1999.

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SUBJECT: HOT MIX ASPHALT (HMA) MIXTURE DESIGN AND

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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DIVISION 5 – HOT MIX ASPHALT PAVEMENTS AND

in section 902. Provide a mix design that meets the requirements in Table 501-1, Table 501-2, and Table 501-3. For mix design purposes, top and leveling courses are the mix layers within 4 inches of the surface. The base course consists of the layers below 4 inches from the

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MATERIAL SPECIFICATION FOR HOT MIX ASPHALT - Road

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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Development of a Fundamental Skid Resistance Asphalt Mix ...

Development of a Fundamental Skid Resistance Asphalt Mix Design Procedure Sullivan, B.W. 1 1 Pavement Management Service, Sydney ... road surface it is necessary to first displace the lubrication water film that is between ... a design asphalt mixture will need to have at least 4%, at refusal or maximum gyrations, to limit bleeding and ensure ...

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STANDARD CONSTRUCTION SPECIFICATIONS FOR ASPHALT

Mix Design Methods for Asphalt Concrete, by The Asphalt Institute. Page 3 Standard Construction Specifications Division 40 – Asphalt Surfacing Revised 11/08 ... and gravel surfaces. Article 2.2 Asphalt The Contractor shall submit a certified analysis of the proposed asphalt from the refinery

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SuperpaveTM Mix Design - Memphis

Superpave Mix Design 1. Select suitable aggregates 2. Select a suitable asphalt binder 3. Select appropriate mixing and compaction temps 4. Select a suitable aggregate structure 5. Mix and compact samples in the lab 6. Analyze mix volumetrics (air voids, etc.) 7. Select the optimum asphalt content 8.

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Reclaimed Asphalt Pavement - User Guideline - Asphalt ...

Mar 08, 2016  The Asphalt Institute’s manual on asphalt hot mix recycling also provides trial mix design examples that indicate how to use a viscosity blending chart to design a recycled hot mix. The Asphalt Institute suggests that when 20 percent or less RAP is used in a mix, no change in asphalt grade is required.

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Georgia DOT Asphalt Pavement Selection Guidelines

Types of asphalt pavement covered include Bituminous Surface Treatments (BST) and Hot Mix Asphalt (HMA) composed of the Department's 4.75, 9.5 and 12.5 Superpave mixes. These materials and their construction requirements are described in Sections 400, 424, 824, and 828 of the Standard

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Bituminous Mix Design for Pavement - Types, Materials and ...

🕑 Reading time: 1 minuteA pre-planned bituminous mix design for pavement construction helps in producing a mix that is workable, durable, strong, and economical in nature. One of the widespread use of bitumen is in the pavement design and construction. There are mainly two stages of mix design in bringing a bituminous pavement: Dry Mix []

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SECTION 400 – ASPHALT PAVEMENTS SECTION 401 –

* The mix design gradation shall be less than or equal to the PCS control point for all 9.5 mm surface mixtures. The mix design gradation can be greater than the PCS control point when used on non-Department maintained facilities. ** The total blended aggregate gradation for the 4.75 mm mixture shall have a fineness modulus greater

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Road Standards and Paving Standards - ASTM International

Road Standards and Paving Standards. ASTM's road and paving standards provide the specifications and test methods pertinent to the material, physical, mechanical, performance, and application requirements of road surfaces and pavements. These geotechnical surfaces are laid down on specified areas intended to sustain either or both foot and ...

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Hot Mix Asphalt Materials Mixture Design And Construction

Hot Mix Asphalt Materials Mixture Design And Construction 3/7 [DOC] recycle or trash? - residential materials A NORTH-East council is using rubber waste from worn tyres to create more durable and environmentally-friendly road surfaces.

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Best Practices Handbook on Asphalt Pavement Maintenance

Also given are recommended applications for crack sealers and fillers, surface treatments, and pothole patching. Specifications, technical memoranda and special provisions are included for all treatment methods recommended in the 1 7 1)ocurnenl Analysisi1)escriptots -7--18. Availability Statement Asphalt pavement maintenance Fog seal Seal coat

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Asphalt Surface Treatment Guide

Guide for selecting and installing asphalt surface treatments; current practice 4. TITLE AND SUBTITLE Asphalt Surface Treatment Guide 6. AUTHOR(S) Robert L. McHattie, P.E. 5. FUNDING NUMBERS AKSAS 74586 HPR-4000(22) 7. PERFORMING ORGANIZATION NAME(S) AND ADDRESS(ES) Inkworks 2324 Waterford Road Fairbanks, Alaska 99709 8. PERFORMING ORGANIZATION ...

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Chapter 11 MARSHALL METHOD OF ASPHALT-CONCRETE

MARSHALL METHOD OF ASPHALT-CONCRETE MIX DESIGN 11.1 INTRODUCTION Bituminous mixes (some times called asphalt mixes) are used in the surface layer of road and airfield pavements. The mix is composed usually of aggregate and asphalt cements. Some types of bituminous mixes are also used in base coarse. The design of asphalt paving mix, as with the

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HOT-MIX ASPHALT - Mix Selection

5. For shoulder width 6': HMA Surface Course, Mix "D", N70 or HMA Surface Course, Mix "D", N50 if mainline is also N50. 6. Quality Management Program (QMP) consists of up to 3 designations: Quality Control/Quality Assurance (QC/QA), Quality Control for Performance (QCP), or Pay for Performance (PFP).

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4RATING 10RATING P Asphalt Roads P

Flushing is excess asphalt on the surface caused by a poor initial asphalt mix design or by paving or sealcoating over a flushed surface. Repair by blot-ting with sand or by overlaying with properly designed asphalt mix. Polishing Polishing is a smooth slippery surface caused by traffic wearing off sharp edges of aggregates. Repair with

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DIVISION 400 – ASPHALT PAVEMENTS

* The mix design gradation shall be less than or equal to the PCS control point for all 9.5 mm surface mixtures. The mix design gradation can be greater than the PCS control point when used on non-Department maintained facilities. ** The total blended aggregate

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SECTION 400 – ASPHALT PAVEMENTS SECTION 401 –

* The mix design gradation shall be less than or equal to the PCS control point for all 9.5 mm surface mixtures. The mix design gradation can be greater than the PCS control point when used on non-Department maintained facilities. ** The total blended aggregate gradation for the 4.75 mm mixture shall have a fineness modulus greater

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Development of a Fundamental Skid Resistance Asphalt Mix ...

Development of a Fundamental Skid Resistance Asphalt Mix Design Procedure Sullivan, B.W. 1 1 Pavement Management Service, Sydney ... road surface it is necessary to first displace the lubrication water film that is between ... a design asphalt mixture will need to have at least 4%, at refusal or maximum gyrations, to limit bleeding and ensure ...

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Stone Matrix Asphalt – Pavement Interactive

In mix design a test for voids in the coarse aggregate (AASHTO T 19) is used to ensure there is stone-on-stone contact. Other reported SMA benefits include wet weather friction (due to a coarser surface texture), lower tire noise (due to a coarser surface texture) and less severe reflective cracking.

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Asphalt for highways and footways Tarmac

Flexible, crack resisting polymer modified asphalt for highly trafficked roads. A range of products specifically developed to combat reflective cracking and road surface deformation, Tarmac ULTILAYER combines a high-performance polymer modified binder (PMB) and a carefully designed aggregate grading. This makes it highly flexible, very strong ...

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Hot-Mix Asphalt Material Properties

Hot-Mix Asphalt Material Properties . SCDOT Designation: SC-M-402 (03/11) 1. SCOPE. 1.1 Use the following specifications for preparing, constructing, and accepting Hot-Mix Asphalt (HMA) material properties. NOTE: Refer to the Standard Specifications, Division 300 for HMA Base Courses and on 400 for HMA Surface and Divisi

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Design Construction of Heavy-Duty Pavements

2 Design Construction of Heavy-Duty Pavements NATIONAL ASPHALT PAVEMENT ASSOCIATION • QIP 123 Technical Report Documentation Page 1. Report No. Quality Improvement Series QIP-123 2. Report Date August 2019 3. Title and Subtitle Design Construction of Heavy-Duty Pavements, 2nd Edition

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Asphalt Surface Treatment Guide

Guide for selecting and installing asphalt surface treatments; current practice 4. TITLE AND SUBTITLE Asphalt Surface Treatment Guide 6. AUTHOR(S) Robert L. McHattie, P.E. 5. FUNDING NUMBERS AKSAS 74586 HPR-4000(22) 7. PERFORMING ORGANIZATION NAME(S) AND ADDRESS(ES) Inkworks 2324 Waterford Road Fairbanks, Alaska 99709 8. PERFORMING ORGANIZATION ...

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Rutting – Pavement Interactive

Ruts are particularly evident after rain when they are filled with water. There are three basic types of rutting: mix rutting, subgrade rutting, and densification. Mix rutting. Occurs when the subgrade does not rut yet the pavement surface exhibits wheelpath depressions as a result of compaction/mix design problems. Subgrade rutting.

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Asphalt Mixture - an overview ScienceDirect Topics

Samples of asphalt mixtures were prepared at four different asphalt contents by weight of asphalt mix mass (5%, 5.5%, 6%, and 6.5%), with three replications per asphalt content. For base asphalt cement and each modifier concentration, one asphalt cement content was chosen, which met the requirement of Superpave mix design 4% air voids.

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Chapter 4 Thickness Design - APAI

Thickness Design 4-1 Chapter 4 Thickness Design GENERAL CONSIDERATIONS Several procedures can be used to calculate the thickness of the proposed asphalt pavement. All are based on the volume and weight of the traffic that will use the facility and on the load-supporting capability of the underlying soil. The AASHTO Road Test and other studies

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