Abstract
To get a grip on the influence of different factors on rheological properties of high modulus asphalt, the method of DSR measurement is made in a systematic study of different temperatures, loading frequency,strain 70# base asphalt and rheological properties of high modulus asphalt. The experimental results show that high-modulus asphalt has a low sensitivity to temperature. Compared with the base asphalt, the high-modulus modified asphalt’s G*/sinδ will have a slower decrease under the condition of temperature increase. Both asphalt’s G*/sinδ would decrease with the decrease of load frequency, high-modulus asphalt has a higher G*/sinδ than base asphalt especially at the higher temperature and lower frequency.
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