不同胶结料与稳定剂SMA设计与性能的比较

Comparison for Design and Properties of Different Binder SMA

SMA作为优秀的抗滑表层得到了广泛应用,混合料的设计一般都加入纤维稳定剂,但采用MAC改 性沥青可以不加入纤维稳定剂,另外最近研究加入橡胶粉代替纤维稳定剂也能得到很好的性能,研究采用MAC改 性沥青不加纤维、MAC改性沥青加纤维、MAC改性沥青加橡胶粉和SBS改性沥青加纤维等4种形式进行了混合 料的设计和性能比较。

As an excellent course, SMA has been used widely, fiber is general used in mixture, but it is not needed if MAC modified asphalt is used, and the recent research manifests that it also can have good properties by using rubber flour instead of fiber. In the study, MAC asphalt, MAC asphalt added fiber, MAC asphalt added rubber flour and SBS modified asphalt added fiber are used as binders, the design and properties of the four types of SMA are compared.