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Causes of Asphalt Cracking in Cast-in-Place Asphalt Mixtures
2019-01-23
With the development of traditional fatigue failure theories, it has become clear that pavement damage occurs when the repeated loading-induced fatigue stresses in pavement materials exceed the tensile strength of the pavement mixture. On roads, vehicles—primarily automobiles—are the primary users of the pavement and also the main factors causing pavement structure deterioration and subgrade instability. However, as traffic volume increases, axle loads grow heavier, driving speeds on highways rise, and the vibrational characteristics of traffic loads become more pronounced, the impact of these traffic-load factors—including the rationality of traffic parameter determination—on the early-stage deterioration of asphalt concrete pavements is an issue that cannot be overlooked.
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