A new 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, we will:
- 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.

Details About the Webinar

Thursday, 13/11/2025 · 1:00 p.m. Sydney (GMT +11:00)
Cost: Free
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About the Speakers

1756266292-0fb9424312e5c2ae Didier Bodin

Dr Didier Bodin is a Principal Pavement Engineer at the National Transport Research Organisation (NTRO). Since he joined the pavement team in October 2010, his research has focused on a range of projects dealing with performance characterisation and modelling of unbound and recycled granular materials, foamed bitumen stabilised and asphalt pavements. His research involved laboratory performance characterisation, accelerated pavement testing and theoretical modelling for a better understanding of pavement distress mechanism and developed pavement design approaches. Didier has been engaged with Austroads and has delivered major Austroads projects focused on the characterisation of pavement material, assessment of pavement performance under accelerated pavement testing, pavement response to load and performance modelling for more than 10 years. Didier is a member of the Austroads Pavement Structures Technical Group (PSTG) and a former member of the Austroads Pavement Task Force (PTF).

1756266405-4ede447e1aa46518 Dr Geoff Jameson

Dr Geoff Jameson is a graduate from the University of Melbourne with a Bachelor of Science (Hons) degree and a Doctor of Engineering from Monash University. Prior to joining the now National Transport Research Organisation (NTRO), he worked for VicRoads on various aspects of road construction materials, including seven years as the manager of the Pavement Design Section, which was responsible for standards of pavement design and rehabilitation. In 1994 he joined the Pavement Technology area at ARRB. He has worked on a variety of projects addressing issues associated with pavement design and performance, specifications and materials characterisation, including Accelerated Loading Facility (ALF) trials of unbound granular materials, asphalt, cemented materials, recycled materials and rigid pavements. In 2011–12 he was appointed as the inaugural Director of the Western Australian Pavement Asset Research Centre. He is a member of the Austroads Pavements Structures Technical Group and has been a key contributor/editor of many parts of the Austroads Guide to Pavement Technology.

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