However, no exact statement about a clear trend of the PU-RAP addition is possible.
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Investigation of the Reusability of a Polyurethane-Bound Noise-Absorbing Pavement in Terms of Reclaimed Asphalt Pavement.
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The sentences
Initially, it seems as if there would be a deterioration of the deformation resistance with increasing PU-RAP, because the bars of the variants RAP25, RAP50 and RAP75 show a positive trend.
The void content shows a decreasing trend.