A simple testing method to evaluate fatigue fracture and damage performance of asphalt mixtures

Yong-Rak Kim, H. J. Lee, D. N. Little, Y. R. Kim, Nelson Gibson, Gayle King, Terhi Pellinen, Frank Fee

Research output: Contribution to journalConference article

51 Citations (Scopus)

Abstract

This paper describes the development and validation of a simple and reasonable fatigue testing apparatus and analysis method that may be able to either supplement or replace traditional fatigue testing and analysis. In this method, three mechanical tests with cyclic torsional loading are performed to characterize basic linear viscoelastic material properties and the fatigue behavior of the asphalt matrix, which is, in this case, defined as a composite of asphalt mastic (binder and mineral filler) and the fine aggregate fraction. The testing induced damage in asphalt matrix that was sensitive to the materials tested. Damage accumulation within each asphalt mixture tested was due to microcrack development and propagation and ultimately to fatigue failure as a result of fatigue crack damage. This damage was monitored using image analysis. Testing results from asphalt matrix mixtures generally agreed well with testing data on asphalt binders and with fatigue testing results from asphalt concrete mixtures. Furthermore, the mechanically-developed fatigue life prediction model can be applied to various asphalt mixture systems by simply performing fundamental material property tests such as frequency sweep tests. Successful development of this testing protocol has the potential to become a specification-type test method because it is fast, repeatable, and accurate.

Original languageEnglish (US)
Pages (from-to)755-788
Number of pages34
JournalAsphalt Paving Technology: Association of Asphalt Paving Technologists-Proceedings of the Technical Sessions
Volume75
StatePublished - Dec 21 2006
EventAssociation of Asphalt Paving Technologists -Proceedings of the Technical Sessions 2006 Annual Meeting - Savannah, GA, United States
Duration: Mar 27 2006Mar 29 2006

Fingerprint

Asphalt mixtures
Asphalt
Fatigue testing
Fatigue of materials
Testing
Binders
Materials properties
Mastic asphalt
Asphalt concrete
Concrete mixtures
Microcracks
Image analysis
Fillers
Crack propagation
Minerals
Specifications
Composite materials

Keywords

  • Asphalt mixtures
  • Damage
  • Fatigue
  • Viscoelasticity

ASJC Scopus subject areas

  • Civil and Structural Engineering

Cite this

A simple testing method to evaluate fatigue fracture and damage performance of asphalt mixtures. / Kim, Yong-Rak; Lee, H. J.; Little, D. N.; Kim, Y. R.; Gibson, Nelson; King, Gayle; Pellinen, Terhi; Fee, Frank.

In: Asphalt Paving Technology: Association of Asphalt Paving Technologists-Proceedings of the Technical Sessions, Vol. 75, 21.12.2006, p. 755-788.

Research output: Contribution to journalConference article

Kim, Yong-Rak ; Lee, H. J. ; Little, D. N. ; Kim, Y. R. ; Gibson, Nelson ; King, Gayle ; Pellinen, Terhi ; Fee, Frank. / A simple testing method to evaluate fatigue fracture and damage performance of asphalt mixtures. In: Asphalt Paving Technology: Association of Asphalt Paving Technologists-Proceedings of the Technical Sessions. 2006 ; Vol. 75. pp. 755-788.
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