Asphalt Fatigue at Elevated Temperatures

Project Overview

Full depth asphalt pavements are designed to have little flexibility and can suffer from fatigue damage. The main factors contributing to fatigue damage are design parameters, climate (temperature), and traffic speed. Balancing these factors and providing road users with excellent roads without over designing is our challenge. WARRIP sought to apply the latest research done for Queensland in conjunction with Austroads Guides to improve the current WA design procedures. Laboratory testing was done to investigate both stiffness and fatigue of our typical WA asphalt mixes.

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The Western Australian Road Research Innovation Program (WARRIP) is a collaborative research initiative between Main Roads Western Australia (Main Roads) and the Australian Road Research Board (ARRB).

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