Research of the Rheological Modification Mechanism of Crumb Rubber-Modified Asphalt Containing Polyamide 6 Additive

Figure 6

Mirror image of ordinary rubber powder-modified asphalt and activated rubber powder-modified asphalt: (a) ordinary rubber powder-modified asphalt (×200), (b) activated rubber powder-modified asphalt (×200), (c) ordinary rubber powder-modified asphalt (×500), and (d) activated rubber powder-modified asphalt (×500).

(a)

(b)

(c)

(d)