The fatigue performance of asphalt pavements is commonly blamed on structural design. TRB hosted a webinar on Thursday, July 8, 2021 from 1:00-2:30 PM Eastern that discussed research findings related to asphalt fatigue, durability, and aging. Presenters also explored other factors, including the binder content, binder aging, and the chemical and physical characteristics of the asphalt binders used in the asphalt pavement layers. They discussed cover asphalt binder aging during mixture production and the service life of the pavement. Changes to the current performance-graded asphalt binder specifications, tests, and practices may address issues related to the premature loss of asphalt pavement durability in the form of cracking and raveling. Active research shows that identifying, characterizing, and effectively specifying the properties may specify a binder that can improve the fatigue properties of the mixture.
This webinar was organized by the TRB Standing Technical Committee on Binders for Flexible Pavement. It also features research from NCHRP Research Report 967: Asphalt Binder Aging Methods to Accurately Reflect Mixture Aging.
The slides and recording are available.
Webinar agenda and presenters
The first 60 minutes of the webinar will be for presentations and the final 30 minutes will be reserved for audience questions.
Learning Objectives
At the end of this webinar, participants will be able to:
Professional Development Hours
Professional Development Hours (PDHs) earned on completion of this program were reported to the Registered Continuing Education Program (RCEP). Certificates of Completion are issued to all participants via the RCEP.net online system. Complaints about registered providers may be addressed to RCEP, 1015 15th Street, NW, 8th Fl., Washington, DC, 20005.
