Asphalt Emulsion Treatments Development
Associations and organizations collaborate to advance the development of asphalt emulsion treatments through AASHTO standards, quality assurance measures, and research efforts. Material specifications, test methods, and construction guide specifications are key focus areas in the pursuit of enhanced performance based specifications for emulsion binders.
Download Presentation
Please find below an Image/Link to download the presentation.
The content on the website is provided AS IS for your information and personal use only. It may not be sold, licensed, or shared on other websites without obtaining consent from the author.If you encounter any issues during the download, it is possible that the publisher has removed the file from their server.
You are allowed to download the files provided on this website for personal or commercial use, subject to the condition that they are used lawfully. All files are the property of their respective owners.
The content on the website is provided AS IS for your information and personal use only. It may not be sold, licensed, or shared on other websites without obtaining consent from the author.
E N D
Presentation Transcript
States Academia Chico State University Texas A&M University of Texas Producers Associated Asphalt Ergon Flint Hills Resource Husky Energy Marathon Petroleum MTE Services Illinois DOT Maine DOT Minnesota DOT Montana DOT Rhode Island DOT AASHTO AASHTO Resource TSP 2 NCPP Testing Lab PRI Asphalt
Associations Consultant GHK, LLC FHWA Federal Lands Resource Center Asphalt Institute Asphalt Emulsion Manufacturers Association Asphalt Reclaiming and Recycling Association FP2 (Foundation for Pavement Preservation) International Slurry Surfacing Association Total ETF Members = 29 Total ETF Friends = 47
Co-chaired by Colin Franco, RIDOT and Chris Lubbers, Kraton Polymers 1. Residue Recovery and Testing 2. Spray & Mix Design Group 3. Supplier Certification & Quality Assurance 4. Recycling Emulsions 5. Messaging & Implementation 6. Rejuvenators 7. Research
1. Develop AASHTO Standards for all Emulsion Treatments 2. Advance the Development of Performance Based Specifications for Emulsion Binders (EAPG). 3. Develop Quality Assurance Standards for all Emulsion Treatments 4. Develop Research Problem Statements for Asphalt Emulsions
Material Specifications Test Methods Design Practices Construction Guide Specifications
M (Materials, full standard) MP (Materials, provisional standard) T (Test, full standard) TP (Test, provisional standard) R (Practice, full standard) (Known as Design Practice) PP (Practice, Provisional standard) (Known as Design Practice)
AASHTO Commissioned a Joint Task Force comprising Committee on Maintenance Committee on Construction Committee on Materials and Pavements to review Construction Guide Specifications for all Emulsion Treatments.
The Special Working Group developed a draft EAPG specification. The draft specification is the basis for the proposal NCHRP 9-63, A Calibrated and Validated National Performance-Related Specification for Emulsified Asphalt Binder . This project will formally validate the EAPG specification.
The ETF revised and submitted three standards to the AASHTO Committee on Materials and Pavements Technical Subcommittee 2a (Emulsified Asphalts). The following updated standards were balloted and approved: M 140-16 Standard Specification for Emulsified Asphalt M 208-16 Standard Specification for Cationic Emulsified Asphalt M 316-16 Standard Specification for Polymer-Modified Emulsified Asphalt
AASHTO STANDARDS Asphalt Emulsion Treatments Construction Guide Specs NCHRP 14-37 M / MP R / PP Chip Seal MP 27-16 PP 82-16 Micro Surfacing MP 28-17 PP 83-16 NCHRP 14-37 Fog Seal MP 33-17 PP 88-17 NCHRP 14-37 Tack Coat MP 36-18 PP 93-18 NCHRP 14-43
AASHTO STANDARDS Asphalt Emulsion Treatments Construction Guide Specs M / MP R / PP Slurry Seal MP 32-17 PP 87-17 NCHRP 14-43 MP 31-17 PP 86-17 NCHRP 9-62 Cold Recycled Mixtures Sand Seal MP 34-18 PP 90-18 To Be Done Scrub Seal On Hold PP 91-18 To Be Done
AASHTO STANDARDS Asphalt Emulsion Treatments Construction Guide Specs To Be Done M / MP R / PP Ultra Thin Bonded Overlay Balloting Balloting
1. Develop Construction Guides and Quality Assurance procedures for: a. Cold In-place Recycling b. Fog Seals c. Sand Seals d. Scrub Seals e. Ultra Thin Bonded Wearing Course
2. Develop specifications for agricultural based asphalt rejuvenators and petroleum based asphalt rejuvenators. 3. Encourage state DOTs and local agencies to use the new a) Pavement Preservation Standard Specifications, b) Construction Guides and Quality Assurance procedures, and c) test methods from AASHTO.
4. Work with state DOTs and local agencies to host demonstration projects where treatments are constructed using the new AASHTO specifications.
Accomplishments Emulsion Treatment Standards Status: AASHTO Emulsion STDs ( MAY 2019) AASHTO STANDARDS Construction Guide Specs Best Practices Emulsion Treatments M / MP T / TP R W/ SOM Comments Chip Seal MP27-16 PP82-16 NCHRP 14-37 Microsurfacing MP28-17 PP83-16 NCHRP 14-37 Tack Coat MP36-18 PP93-18 NCHRP 14-44 Fog Seal MP33-17 PP88-17 NCHRP 14-37 Scrub Seal PP91-18 2019 NCHRP 14-44 Sand Seal MP34-18 PP90-18 Slurry Seal MP32-17 PP87-17 NCHRP 14-44 Foam Asphalt Stabilization MP38-18 Bonded Surface Treatments (Nova Chip) 2018 NCHRP 9-62 /14- 43 Cold Recycled Mixtures MP31-17 PP86-17 Legend M=Material Specs Emulsion Binder Standards M / MP T / TP R W/TRB Emulsified Asphalt M140-16 T=Test Methods R=Design Practices Cationic Emulsified Asphalt M208-16 Polymer-Modified Cationic Emulsified Asphalt M316-16 P=Provisional =Draft Std Submitted to SCOM Emulsion/Surface Performance Grades (E/SPG) NCHRP 9-63
