Full depth asphalt pavements are the preferred pavement type for heavily trafficked urban roads throughout Queensland. The structural design of these pavements is sensitive to the road’s operating environment, particularly pavement temperature and heavy vehicle speeds. Current asphalt pavement design models in Australia predict increased fatigue damage with an increase in temperature (or decrease in the speed of loading). This has resulted in asphalt thicknesses in excess of 400 mm on some roads in Queensland, which is not considered to be sustainable.
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