Acoustic Performance of Stone Mastic Asphalts with Crumb Rubber and Polymeric Additives in Warm, Dry Climates.

As initial results ( Figure 10 and Figure 11 ), we can conclude that there is a clear trend: the greater the texture depth, the lower the CPX (except in the AC16 reference), and that most SMA fluctuates ±2 dB in 24 months, while AC16 increases by more than 2 dB. 6.

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