Study on Anti-ultraviolet Additives to Improve Asphalt Aging Ductility
SZ 36-1 70# asphalt produced by CNOOC as the base asphalt,he mixed asphalt formed by the 8 kinds of anti-ultraviolet assistants is used as the research object.Meanwhile,the asphalt is treated with RTFOT short-term thermal aging and ultraviolet aging,and the asphalt ductility index changes are tested.On this basis,an additive with anti-ultraviolet function is selected.The experimental results show that when the 03#additive is 0.3％,the extension of 15 ℃ increases by 58.6％.
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