Behaviour of Asphalt Mixture under Large Amplitude Cyclic Loading

This paper presents a study on the behavior of asphalt mixture under large amplitude cyclic loadings. A special cyclic loading path was applied during homogeneous test on cylindrical specimen kept at constant temperature. The test included loading periods, unloading periods, rest periods and the measurement of complex modulus E* and complex Poisson’s ratio v* at different frequencies and different strain levels. A few loading/unloading cycles in large strain domain (up to 6% strain in compression) at constant strain rate were carried out. The measurements of E* and v* were performed in applying some small strain amplitude sinusoidal cycles. The results are analyzed in axial stress-axial strain axes and volumetric strain-axial strain axes. Trends similar to the one observed for unbound granular materials are obtained. The evolution of E* and v* during the test are compared with stiffness and Poisson’s ratios at the beginning of large loading cycles.

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• Supplemental Notes:
  • Abstract reprinted with permission from Taylor and Francis.
• Corporate Authors:

  CRC Press/Balkema

  P.O. Box 447
  2300 AK Leiden,   Netherlands 
• Authors:
  • Nguyen, Q T
  • Benedetto , H D
  • Sauzeat, C
• Conference:
  • 2nd International Conference on Transportation Geotechnics (ICTG)
  • Location: Hokkaido , Japan
  • Date: 2012-9-10 to 2012-9-12
• Publication Date: 2012

Language

• English

Media Info

• Media Type: Digital/other
• Features: Figures; Photos; References; Tables;
• Pagination: pp 388-393
• Monograph Title: Advances in Transportation Geotechnics II

Subject/Index Terms

• TRT Terms: Asphalt mixtures; Granular materials; Load tests; Modulus of elasticity; Poisson ratio; Repeated loads; Stiffness; Strain measurement
• Subject Areas: Highways; Materials; Pavements; I33: Other Materials used in Pavement Layers;

Filing Info

• Accession Number: 01473220
• Record Type: Publication
• ISBN: 9780415621359
• Files: TRIS
• Created Date: Feb 19 2013 3:03PM