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Comparison of asphalt fatigue characteristics under different control modes

  • School of Transportation Science and Engineering, Harbin Institute of Technology

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

Fatigue cracking is a common form of distress in asphalt pavement. The ability of asphalt binder to resist accumulation of fatigue damage can have a profound effect on the service life of asphalt pavements. However, the fatigue characteristics of asphalt binder depend heavily on the loading modes. That is the fatigue characteristic of asphalt binder under controlled-stress mode is totally different from that under controlled-strain mode. The issue affects the establishment of universal fatigue evaluation index of asphalt binder. This study focused on analysing the fatigue performance difference between under controlledstress and controlled-strain mode. The fatigue characteristics of two kinds of asphalt binders under different loading control modes were compared. And the fatigue performances relationship under different control modes was founds. Further, a method to transform accumulated dissipated energy curve from one loading mode to the other was proposed.

Original languageEnglish
Title of host publicationAsphalt Pavements - Proceedings of the International Conference on Asphalt Pavements, ISAP 2014
PublisherTaylor and Francis - Balkema
Pages1281-1289
Number of pages9
ISBN (Print)9781138027138
DOIs
StatePublished - 2014
Externally publishedYes
Event12th International Conference on Asphalt Pavements, ISAP 2014 - Raleigh, NC, United States
Duration: 1 Jun 20145 Jun 2014

Publication series

NameAsphalt Pavements - Proceedings of the International Conference on Asphalt Pavements, ISAP 2014
Volume2

Conference

Conference12th International Conference on Asphalt Pavements, ISAP 2014
Country/TerritoryUnited States
CityRaleigh, NC
Period1/06/145/06/14

Keywords

  • Asphalt binder
  • Controlled-strain mode
  • Controlled-stress mode
  • Fatigue

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