Research Article

Identifying the Thermal Storage Stability of Polymer-Modified Asphalt with Carbon Nanotubes Based on Its Macroperformance and Micromorphology

Figure 12

Infrared spectrum of three modified asphalts with different storage days. (a) The result of SBSMA at the top. (b) The result of SBSMA at the bottom. (c) The result of SBS + CNTs-I at the top. (d) The result of SBS + CNTs-I at the bottom. (e) The result of SBS + CNTs-II at the top. (f) The result of SBS + CNTs-II at the bottom.
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