This Austroads project has investigated methods for engineers to design more efficient and cost-effective road rehabilitation treatments by estimating the remaining fatigue life of existing asphalt.
Current design practice assumes existing asphalt layers have no remaining life, even when uncracked. Lower rehabilitation costs will result if design methods are improved to utilise the remaining life of existing uncracked asphalt.
In this webinar, the presenters:

outline the outcomes of the project, including field and laboratory investigations on the Western Freeway in Victoria
discuss the methods tested to estimate the remaining fatigue life of asphalt
present the new framework for rehabilitation design to validate with future research.

This approach supports more targeted treatments, improved road performance, and long-term savings. The session is relevant for pavement engineers, asset managers, designers, and those involved in planning and delivering road rehabilitation programs.

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