Abstract
The rubber powder produced by waste rubber was used to modify asphalt, which was conducted in aging test. The effect of rubber powder modification on the aging resistance of asphalt binder was studied by the means of basic physical properties test, dynamic shear rheological test and infrared spectrum analysis. Results indicate that the addition of rubber powder can reduce the degradation of aromatic, which makes the rubber powder modified asphalt shows better aging resistance and lower temperature sensitivity. After aging, the change of rheological properties of rubber modified asphalt is relatively small, and it also shows a stable high temperature performance.
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