Abstract
AbstractAccurate deterioration models play a critical role in designing and managing transportation infrastructure. Regular models simply consider loading factor and its relative uncertainties. However, climate and environment impacts are not considered, or are just used as certain variables. Thermal cracks and moisture distresses are principal distress forms in cold regions. In this study, a freeze-thaw (F-T) cycle test was used to simulate the influence of adverse weather conditions in cold regions, like moisture and temperature impact. Then method of moments was applied to analyze the pavement reliability functions with various uncertainties. The analytical results showed that the resilient modulus of asphalt concrete mixture declined under F-T cycles. Consequently, pavement structure capacity was reduced. The results also illustrated that the reliability method was capable of accommodating uncertainties in pavement parameters. The sensitivity analysis indicated that F-T cycles had a significant impact...
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