Abstract
Gansu province has complex topography, strong ultraviolet radiation, so the asphalt pavement often appears aging and other diseases in the service period. Firstly, the rubber asphalt for as short-term and long-term were made to be the simulated aging test by the Asphalt rotary film heating test (RTFOT) and the pressure ageing vessel (PAV) accelerated asphalt aging test. Secondly, the rubber asphalt was studied by the UV aging; the RTFOT aged sample was placed to be the ultraviolet aging in ultraviolet radiation box to do the Dynamic shear test (called DSR). The results showed that: the rubber asphalt had better ability to resist fatigue and anti-ultraviolet ageing, suitable for high altitude strong ultraviolet region in Gansu province.
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