Abstract
Low temperature cracking is a significant failure of asphalt pavements in cold regions, which is mainly depended on asphalt characteristics. Using the sandwich sliding plate viscometer developed in this study, the low temperature viscosity of seven kinds of currently used asphalt is evaluated. By comparison with he conventional evaluation method, for example, Fraass breaking point test and low temperature ductility test, the more distinct mechanistic model and precise measurements of the sliding plate viscometer have been demonstrated. Meanwhile, the influence of bitumen viscosity on asphalt mixture viscosity is also investigated.
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