Abstract
This study investigated the effect of temperature on the fatigue behavior of high-modulus asphalt concrete (HMAC). The impact of temperature on the Wöhler’s curve parameters, especially with respect to the slope and intercept, was studied to evaluate the accuracy of current methodologies used to estimate them in mechanistic–empirical pavement design tools (M-E PD). Four series of tension–compression (TC) fatigue tests were conducted on HMAC samples at four temperatures (-8.3 °C, 1.4 °C, 11.3 °C, and 21.0 °C). The findings indicated a significant impact of temperature on the intercept; the slope did not exhibit any statistically significant effect.
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