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Author:

Cao, Wei (Cao, Wei.) | Wang, Chao (Wang, Chao.) (Scholars:王超)

Indexed by:

EI Scopus SCIE

Abstract:

This study assessed the fatigue performance of asphalt binders modified with crumb rubber, waste cooking oil (WCO), and Styrene-Butadiene-Styrene (SBS). The experimental program included linear amplitude sweep (LAS) and time sweep (TS) tests with different loading profiles under various test temperatures. The objective was to compare the fatigue analyses based on the recently proposed G(R) and W-sum(R) failure criteria within the viscoelastic continuum damage (VECD) modeling framework. Simulation algorithms were developed for the two criteria which allowed for fatigue performance evaluation. The results indicated that the damage characteristic relationship was slightly dependent on test method and strain profile, and the degree of dependence was material specific. The two failure criteria appeared to be fundamental material functions; the G(R) criterion was temperature dependent but was able to unify both LAS and TS tests, while the W-sum(R) criterion unified both test methods under all temperatures. With respect to modification, an optimum WCO dosage of 3% was identified according to the W-sum(R) criterion for the best fatigue performance. Both the SBS and crumb rubber modifications were observed to significantly improve the fatigue resistance based on the two failure criteria.

Keyword:

Fatigue performance Waste cooking oil Crumb rubber Linear amplitude sweep Failure criterion

Author Community:

  • [ 1 ] [Cao, Wei]Louisiana State Univ, Dept Civil & Environm Engn, 4101 Gourrier Ave, Baton Rouge, LA 70808 USA
  • [ 2 ] [Wang, Chao]Beijing Univ Technol, Dept Rd & Railway Engn, Beijing 100124, Peoples R China

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 :

INTERNATIONAL JOURNAL OF FATIGUE

ISSN: 0142-1123

Year: 2019

Volume: 119

Page: 112-125

6 . 0 0 0

JCR@2022

ESI Discipline: MATERIALS SCIENCE;

ESI HC Threshold:211

JCR Journal Grade:1

Cited Count:

WoS CC Cited Count: 62

SCOPUS Cited Count: 64

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 8

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