Abstract
The effect of different storage conditions on the high and low-temperature rheological and fatigue properties of SBS modified asphalt was analyzed by conducting conventional asphalt performance tests, Brookfield rotational viscosity tests, and DSR tests. Meanwhile, the allowable storage times in different storage conditions were obtained by the attenuation law of asphalt rheological properties, and the key indicators that can reflect the performance attenuation of SBS modified asphalt were selected based on the sensitivity changes of various indicators with storage time. The results show that the high and low-temperature performance and fatigue performance of SBS modified asphalt have undergone varying degrees of attenuation after multiple times of storage. The degree of attenuation of asphalt stored at "170℃-room temperature" is greater than that stored at "150-130℃". It is recommended to adopt the storage condition of "150~130℃" for SBS modified asphalt, which allows for three storage times and only one storage time for "170 ℃-room temperature". By comparing the sensitivity changes of various performance indicators, it is recommended that the 60℃ zero shear viscosity should be the main evaluation index for the high-temperature performance of SBS modified asphalt.
Publication Date
8-18-2022
DOI
10.14048/j.issn.1671-2579.2022.04.030
First Page
165
Last Page
169
Submission Date
May 2025
Recommended Citation
Jiangchun, SONG; Shi, FU; Hao, YU; and He, ZHAN
(2022)
"Effect of Different Storage Conditions on Rheological Properties of SBS Modified Asphalt,"
Journal of China & Foreign Highway: Vol. 42:
Iss.
4, Article 30.
DOI: 10.14048/j.issn.1671-2579.2022.04.030
Available at:
https://zwgl1980.csust.edu.cn/journal/vol42/iss4/30
Reference
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