Dataset for the paper "Three indexes to characterize crushing and screening of reclaimed asphalt pavement"

The dataset includes Reclaimed Asphalt Pavement (RAP) grading curve testing results from seven different materials that were produced using four different full-scale aggregate crushing machines. Samples of the same material before and immediately after crushing were obtained. The grading curves include white RAP (aggregates without bitumen) and black RAP (reclaimed asphalt together with bitumen). The data was used to develop and validate three indexes – chunk, breakdown, and filler increase indexes. These indexes can be used to quantitatively characterize crushing equipment and to optimize the crushing parameters.

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