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Author:

Wang, Chao (Wang, Chao.) (Scholars:王超) | Xie, Wei (Xie, Wei.) | Chen, Yangzhou (Chen, Yangzhou.) (Scholars:陈阳舟) | Diab, Aboelkasim (Diab, Aboelkasim.) | You, Zhanping (You, Zhanping.)

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Scopus SCIE

Abstract:

The objective of this paper is to refine the calculation method for improving the regression accuracy of fatigue failure criterion of asphalt binder using the linear amplitude sweep (LAS) test, especially for the highly modified asphalt binders. The maximum stored pseudo strain energy (Max W-R s-based failure criterion was studied for interpreting the LAS test data under multiple-loading rates to predict the fatigue life of asphalt binders. However, the regression accuracy of the Max WRs-based failure criterion for neat asphalt binders is generally better than that of modified binders. In this paper, a parameter of total released pseudo strain energy (TRPSE), which measures the area under the pseudo strain energy (PSE) curve until fatigue failure occurs, was developed as a material characteristic parameter, which demonstrates that no matter what loading rates are conducted during the LAS tests, the TRPSE value is constant at a specific temperature for a given asphalt binder. The proposed TRPSE value was obtained from the averaged results of the six replicates under three LAS loading rates; then the failure criterion was recalculated, and the regression accuracy significantly improved for the studied neat and modified binders. Applying this improved TRPSE-based failure criterion for the prediction of fatigue life presented more reasonable results, especially for the modified binders studied at multiple temperatures and strain amplitudes.

Keyword:

Pseudo strain energy Asphalt binder Failure criterion Total released pseudo strain energy Fatigue life

Author Community:

  • [ 1 ] [Wang, Chao]Beijing Univ Technol, Dept Rd & Railway Engn, Beijing 100124, Peoples R China
  • [ 2 ] [Xie, Wei]Beijing Univ Technol, Dept Rd & Railway Engn, Beijing 100124, Peoples R China
  • [ 3 ] [Chen, Yangzhou]Beijing Univ Technol, Dept Intelligent Transportat, Beijing 100124, Peoples R China
  • [ 4 ] [Diab, Aboelkasim]Aswan Univ, Dept Civil Engn, Aswan Governorate 81542, Egypt
  • [ 5 ] [You, Zhanping]Michigan Technol Univ, Dept Civil & Environm Engn, Houghton, MI 49931 USA

Reprint Author's Address:

  • 王超

    [Wang, Chao]Beijing Univ Technol, Dept Rd & Railway Engn, Beijing 100124, Peoples R China

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Source :

JOURNAL OF MATERIALS IN CIVIL ENGINEERING

ISSN: 0899-1561

Year: 2018

Issue: 2

Volume: 30

3 . 2 0 0

JCR@2022

ESI Discipline: ENGINEERING;

ESI HC Threshold:156

JCR Journal Grade:3

Cited Count:

WoS CC Cited Count: 21

SCOPUS Cited Count: 33

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 8

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