Short-Term Ageing Influence on the Creep and Recovery Characteristics of Asphalt Binders

Chao Wang; Jin Xi Zhang; Ping Ping Song

doi:10.4028/www.scientific.net/AMM.275-277.2045

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 275-277Short-Term Ageing Influence on the Creep and...

Short-Term Ageing Influence on the Creep and Recovery Characteristics of Asphalt Binders

Abstract:

This paper focused on the short-term ageing influence on the creep and recovery characteristics of neat and SBS modified asphalt binders at two different stress levels. Using the MSCR test conducted on dynamic shear rheometer (DSR), it can be concluded that the RTFOT short-term ageing process was observed to decrease the nonrecoverable compliance (Jnr) and increase the average recovery percent (R) for almost all binders, which was more notable at a high stress level especially for SBS modified binders. Additionally, stress level applied in test played a key role in evaluating the viscoelastic properties of different asphalt binders, and SBS modified binder exhibited more stress sensitive than neat binders.

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Periodical:

Applied Mechanics and Materials (Volumes 275-277)

Pages:

2045-2050

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.275-277.2045

Citation:

Cite this paper

Online since:

January 2013

Authors:

Chao Wang, Jin Xi Zhang, Ping Ping Song

Keywords:

Asphalt Binder, Creep and Recovery, Rutting Potential, Short-Term Ageing

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