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Introduction to Cast-in-Place Asphalt Mixtures
2012-08-29
By examining the performance of different limestone mineral powders and preparing cast-in-place asphalt mixtures using these various mineral powders, this study investigates how different mineral powders and their respective properties affect the thermal stability of cast-in-place asphalt mixtures. Cast-in-place asphalt mixture is a dense-graded pavement material; when applied to steel bridge decks, it is crucial to pay close attention to the analysis of its high-temperature stability. The study explores the impacts of material composition factors—such as asphalt content, coarse and fine aggregate proportions, and the powder-to-binder ratio—as well as structural factors—including structural thickness—on the high-temperature stability of cast-in-place asphalt mixtures. Furthermore, it proposes technical measures to enhance the high-temperature stability of cast-in-place asphalt mixtures.
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