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FHWA’s National WMA Overview

Jan 03, 2012

Finishing up 2011, Matt Corrigan, Asphalt Pavement Engineer with the Federal Highway Administration (FHWA) provided this overview of Warm Mix Asphalt. Among the highlights:

Looking ahead, the FHWA will work on implementation of standardized mixture design procedure (AASHTO R35 Appendix) and emphasize performance testing of WMA using Asphalt Mixture Performance Tester (AMPT) and lab conditioning of WMA mixtures for mechanical testing. Finally, long term performance in the field will continue to be a research focus.

Author: Heather Dolan


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