Laboratory Evaluation on the Performance Degradation of Styrene-Butadiene-Styrene-Modified Asphalt Mixture Reinforced with Basalt Fiber under Freeze-Thaw Cycles




Cheng, Yongchun
Li, He
Wang, Wensheng
Li, Liding
Wang, Haitao

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Multidisciplinary Digital Publishing Institute


This paper aims at the freeze–thaw (F-T) cycles resistance of styrene-butadiene-styrene (SBS) modified asphalt mixture reinforced with basalt fiber in order to explore the performance evaluation and prediction of asphalt mixtures at seasonal frozen regions. Asphalt was firstly modified by the common SBS and then SBS-modified stone mastic asphalt (SMA) specimens with basalt fiber were prepared by using Superpave gyratory compaction (SGC) method. Next, asphalt mixture specimens processed by 0–21 F-T cycles were adopted for the high-temperature compression test, low-temperature splitting test and indirect tensile stiffness modulus test. Meanwhile, a three-dimensional model of F-T damage evolution of the mixtures was also established based on the reliability and damage theory. The test results showed that the loss rates of mechanical strength increased rapidly, and then gradually flattened; however, these indications changed significantly after 15–18 F-T cycles. In addition, the exponential function could reflect the variation trend of the mechanical performances with F-T cycles to a certain degree. The damage evolution and prediction model based on the reliability and damage theory can be established to analyze the internal degradation law better.



basalt fiber, freeze thaw cycle, performance degradation, asphalt mixture, Ingram School of Engineering


Cheng, Y., Li, H., Wang, W., Li, L., & Wang, H. (2020). Laboratory evaluation on the performance degradation of styrene-butadiene-styrene-modified asphalt mixture reinforced with basalt fiber under freeze-thaw cycles. Polymers, 12(5).


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