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Author:

Wang, C. (Wang, C..) | Zhang, J.-X. (Zhang, J.-X..) | Song, P.-P. (Song, P.-P..) | Wang, W.-T. (Wang, W.-T..)

Indexed by:

Scopus PKU CSCD

Abstract:

In order to get a better evaluation on high-temperature feature of asphalt binder, conducted on dynamic shear rheometer (DSR) and based on the oscillation test to fix the asphalt PG high-temperature grade, multiple stress creep recovery (MSCR) test was employed to contrastively evaluate the high-temperature rutting potential of neat binder and SBS modified binder. Test results indicate that the G*/sinδ determined from the oscillation test in the existing specification is well applied for neat asphalt but really does not work for modified asphalt, whereas the recovery percent R determined from the MSCR test is able to characterize the delay elasticity of modified asphalt well, and the nonrecoverable compliance Jnr measured in MSCR test is developed as a replacement for the G*/sinδ to evaluate the high-temperature rutting properties for binders. Additionally, the SBS modified binder is found more sensitive to the stress levels than the neat binder.

Keyword:

Asphalt binder; High-temperature rutting potential; Multiple stress creep recovery test; Oscillation test

Author Community:

  • [ 1 ] [Wang, C.]Beijing Key Laboratory of Traffic Engineering, Beijing University of Technology, Beijing 100124, China
  • [ 2 ] [Zhang, J.-X.]Beijing Key Laboratory of Traffic Engineering, Beijing University of Technology, Beijing 100124, China
  • [ 3 ] [Song, P.-P.]Beijing Key Laboratory of Traffic Engineering, Beijing University of Technology, Beijing 100124, China
  • [ 4 ] [Wang, W.-T.]Beijing Key Laboratory of Traffic Engineering, Beijing University of Technology, Beijing 100124, China

Reprint Author's Address:

  • [Wang, C.]Beijing Key Laboratory of Traffic Engineering, Beijing University of Technology, Beijing 100124, China

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Source :

Journal of Beijing University of Technology

ISSN: 0254-0037

Year: 2013

Issue: 12

Volume: 39

Page: 1849-1854,1860

Cited Count:

WoS CC Cited Count:

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 3

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