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Study on Aging of SBS Modified Asphalt Based on Temperature Sensitivity

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DOI: 10.23977/analc.2024.030106 | Downloads: 8 | Views: 125

Author(s)

Jingsheng Pan 1, Lisha Mu 1, Ping Li 1

Affiliation(s)

1 Department of Civil Engineering, Chengdu Technological University, Yibin, 644000, China

Corresponding Author

Ping Li

ABSTRACT

In order to explore the influence and variation law of SBS modified asphalt with different dosages on temperature stability under different aging times, a rotating thin film oven was used to simulate the aging process of asphalt. The softening point and ductility of SBS modified asphalt with different dosages were tested after aging for different durations. The softening point and ductility were used as indicators to evaluate the temperature stability of asphalt, and the variation law of softening point and ductility under different aging times was analyzed. The results indicate that with the increase of aging time, the overall ductility of SBS modified asphalt with different dosages shows a downward trend, and the softening point increases with the increase of aging time, and the change rates of the two indicators are completely opposite. Overall, the increase in aging time reduces the temperature stability of SBS modified asphalt.

KEYWORDS

SBS-Modified Asphalt, Aging, Temperature Stability

CITE THIS PAPER

Jingsheng Pan, Lisha Mu, Ping Li, Study on Aging of SBS Modified Asphalt Based on Temperature Sensitivity. Analytical Chemistry: A Journal (2024) Vol. 3: 30-35. DOI: http://dx.doi.org/10.23977/analc.2024.030106.

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