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Warm Mix Asphalt Technologies Evaluation Program
Warm Mix Asphalt Technologies Evaluation Program
National Transportation Product Evaluation Program (NTPEP)
• National evaluation program of products and materials
• Evaluations provide single source testing of common products and materials used by DOTs
• Provides a public-private partnership that prevents duplication of effort
• Currently evaluates over 25 product types
• All states & territories have access to data
Benefits of using NTPEP for Manufacturers
• Avoid time and expense of repeated evaluations
• Product exposure
• Raise the bar
• Contribute to work plan development
• Opportunity to voice concerns
• Build DOT Relationships
NTPEP Websites
• www.ntpep.org
– General NTPEP information, NTPEP Usage Map, Operations Guide
– Work plans, committee rosters, meeting minutes
• DataMine (data.ntpep.org)
– Submit evaluation applications, invoice tracking, data upload and review
– Interested producers should register
NTPEP Websites
• DataMine 2.0
– Will only be used for submitting applications and processing invoices for the WMA Program
• DataMine 3.0 (ETA 2016)
– WMA module still being developed
– Testing data will be uploaded here
– Several improvements are being implemented
• “Data Link” – Easy way to link states to your data
WMA Technologies Committee
• Chair – Jack Cowsert, North Carolina DOT
• Vice Chair – Barry Paye, Wisconsin DOT
• 11 states and FHWA currently represented in committee
• Room for 2-3 industry members “Voice of Industry” – Can provide input but can’t vote on work plan changes
– Ideally would like different technologies represented
• Quarterly conference calls and session at annual NTPEP meeting
WMA Technologies Program
• Evaluation of chemical and organic additives, foaming, and other technologies as applicable
• Laboratory comparison testing between HMA control and WMA samples – Intent is to verify that WMA Technology perform at least as
well as HMA control
– Not intended to investigate relative WMA technology performance
– States can use data for qualification of technologies
• Florida DOT is the NTPEP designated laboratory
Laboratory Produced WMA Technologies
• Technologies that can be reproduced in a laboratory setting
• One control HMA mix will be used for comparison to all laboratory produced WMA technologies
– Details of control mix shall be made available to producers
• Cost = $4,500 per product
– Includes cost of materials, WMA testing, control HMA testing, and maintaining DataMine
Plant Produced WMA Technologies
• Technologies that can’t be reproduced in a laboratory setting
• Separate control HMA mix for each product
– HMA and WMA sampled at plant by NTPEP representative
– Shipped to FLDOT for lab testing
• Cost = $11,500 per product
– Includes cost of WMA testing, control HMA testing, and maintaining DataMine data
WMA Laboratory Testing Scope
• Aggregate Properties – Gradation, specific gravities, F&E, Sand Eq., FAA, CAA, Soundness, LA
Wear, and Micro Deval
• Asphalt Properties – Continuous grading of asphalt binder, warm mix modified asphalt
binder, and extracted binder (plant produced only)
• HMA/WMA Volumetric Properties
• HMA/WMA Performance Properties – Hamburg, Dynamic Modulus, and TSR
NTPEP WMA Testing Cycle
• Submission cycle opens on October 1st and runs through December 18th
– Email notification will be sent out with more information
– Submit applications through DataMine • Application will collect information on technology including mixing
instructions, technical literature, and MSDS
• Sampling and testing to begin in early 2016
• Data available after all lab testing is complete
• Test data is good for 7 years
– Formulation changes require retest
Questions?
NTPEP Warm Mix Asphalt (WMA) Technologies Introduction www.ntpep.org data.ntpep.org
Becky Smith MDSHA
o No difference made between a dense grade type for the grade type
o Going with one standard EVO grade mix
BG67
o Gap graded warm is the number one request for Maryland
Raises a concern
Larry - Oregon DOT
o Pucks? – what is the process
Taking the foamed asphalt and heating it up to volumetric temperatures for
testing
Florida Question
o Design usually gets placed in a binder that is typical to that state
The binder is made to be a part of the first step in gaining approval by utilizing
NTPEP
First Name Last Name Email Address
Wayne Allick Jr [email protected]
rufus Banks [email protected]
Scott Barger [email protected]
Todd Bennett [email protected]
Angela Beyke [email protected]
Thomas Bold [email protected]
Steve Brakeall [email protected]
Jeff Caley [email protected]
Jack Cowsert [email protected]
Joe DeVol [email protected]
Allen Gallistel [email protected]
Ray Gore [email protected]
Heather Hall [email protected]
Chris Holmes [email protected]
Ron Horner [email protected]
Larry Ilg [email protected]
Kevin Jones [email protected]
George LIan [email protected]
Bryan Martin [email protected]
Maggie McDonald [email protected]
Oak Metcalfe [email protected]
First Name Last Name Email Address
Tanya Nash [email protected]
Kevin Palmer [email protected]
Barry Paye [email protected]
Keith Platte [email protected]
Timothy Ramirez [email protected]
Matt Romero [email protected]
Timothy Ruelke [email protected]
Steve Saboundjian [email protected]
Greg Schieber [email protected]
Eileen Sheehy [email protected]
Bin Shi [email protected]
Temple Short [email protected]
Rebeccah Smith [email protected]
Nelson Sosa [email protected]
John Taylor [email protected]
Lisa Zigmund [email protected]
abdenour nazef [email protected]
guangming wang [email protected]
andrew willette [email protected]
ryan winship [email protected]
