The Rheological Behavior about High-Modulus Modified Asphalt

Author:

Yu Wu1

Affiliation:

1. Beijing Municipal Development Freeway Construction and Administration Co., Ltd.

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.

Publisher

Trans Tech Publications, Ltd.

Reference3 articles.

1. WU Yu-cai. Experimental study on anti-rutting performance of asphalt mixture[J]. Western China Communications Science &Technology, 2007(4): 19-22. (in Chinese).

2. ZHOU Chun-xiu, YU Chun-yu, TAN Yi-qiu. The rheological properties of SBS modified asphalt[J]. Communications Standardization, 2005(1): 44-48. (in Chinese).

3. LU Hui, ZHANG Xiao-ning, HU Ling-ling. Experimental study of high modulus asphalt technical indicators[J]. Highway, 2008(3): 176-178. (in Chinese).

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