Abstract
The performance of base asphalt and modified asphalt by natural rock asphalt are studied. This paper presents the results from a series of assessments of properties of asphalt binders, which incorporate natural rock asphalts produced from China. Asphalt binders’ properties were measured by penetration, Ring and Ball softening point, ductility and four component analysis tests. Test results showed that the addition of natural asphalt reduces the penetration and ductility value, and increases softening point. The temperature sensitivity of modified asphalt is reduced.
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