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Xiao Chen
School of Transportation, Southeast University, Nanjing 211189, China

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Journal article
Published: 12 March 2018 in Applied Sciences
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Fatigue resistance quantification of modified asphalt is typically time consuming and may not correlate well with mixture fatigue test results. In this paper, the applicability of a multiple stress creep and recovery (MSCR) test on asphalt binder’s fatigue resistance was evaluated. Six binder types with a variety of modifiers and different modifier contents were characterized. The MSCR test was conducted and its sensitivity to binder type and additive content under different aging durations was evaluated. Mixture fatigue tests including a semi-circular bending- Illinois flexibility index test and indirect tensile strength were conducted using control base asphalt and SBS modified asphalt. A ranking between the binder MSCR and mixture fracture test results was conducted to check if the MSCR result was representative of the mixture’s fatigue resistance. Results indicate that the MSCR test at intermediate temperatures (20 °C, 25 °C, and 30 °C) can be performed with good repetitions. It was also found that the MSCR test was sensitive enough to differentiate the fatigue resistance among different binder types and additive contents. The ranking analysis shows that the binder MSCR test at intermediate temperatures showed a similar ranking to the mixture’s fatigue tests, indicating that the binder MSCR test could be potentially utilized to represent a mixture’s fatigue resistance where binder selection is a major concern. It was also found that the SBS modified binder showed the best crack resistance and was less affected by aging.

ACS Style

Weiguang Zhang; Tao Ma; Gang Xu; XiaoMing Huang; Meng Ling; Xiao Chen; Jiayue Xue. Fatigue Resistance Evaluation of Modified Asphalt Using a Multiple Stress Creep and Recovery (MSCR) Test. Applied Sciences 2018, 8, 417 .

AMA Style

Weiguang Zhang, Tao Ma, Gang Xu, XiaoMing Huang, Meng Ling, Xiao Chen, Jiayue Xue. Fatigue Resistance Evaluation of Modified Asphalt Using a Multiple Stress Creep and Recovery (MSCR) Test. Applied Sciences. 2018; 8 (3):417.

Chicago/Turabian Style

Weiguang Zhang; Tao Ma; Gang Xu; XiaoMing Huang; Meng Ling; Xiao Chen; Jiayue Xue. 2018. "Fatigue Resistance Evaluation of Modified Asphalt Using a Multiple Stress Creep and Recovery (MSCR) Test." Applied Sciences 8, no. 3: 417.