Current pavement design approaches predict a shorter fatigue life for pavements in warm climates compared to those in colder climates. This is in contrast to field data, which indicates that pavements in warmer climates last longer before fatigue cracking occurs. There is a need to examine whether current pavement design models accurately reflect the nature of fatigue damage accumulation in thick asphalt pavements in Queensland. The development of improved models for predicting the fatigue life of asphalt pavements which better reflect operating conditions in Queensland could result in a significant reduction in the thickness of full depth asphalt pavements.
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