PREDICTION OF RUTTING IN VIRGIN AND RECYCLED ASPHALT MIXTURES FOR PAVEMENTS USING TRIAXIAL TESTS

This paper summarizes the results obtained from a research project carried out to evaluate the rutting performance of recycled asphalt concrete subjected to repeated loading. In order to characterize the rutting behavior, exact stress conditions that occur in the field were simulated in the laboratory using repeated load triaxial tests. Several modifications were carried out on the conventional triaxial equipment in order to conduct the repeated load tests. From these tests, constitutive relationships were developed for both recycled and virgin asphalt concrete, which could be used to predict rutting in asphalt concrete in terms of the number of load repetitions and the applied stress level. A procedure is then suggested to determine rutting in an asphalt concrete layer once the volume and weight of traffic are known.

• Corporate Authors:

  Association of Asphalt Paving Technologists (AAPT)

  400 Selby Avenue, Suite I
  St Paul, MN  United States  55102
• Authors:
  • Wijeratne, A
  • Sargious, M
• Conference:
  • Association of Asphalt Paving Technologists Proc
• Publication Date: 1987

Language

• English

Media Info

• Features: Appendices; Figures; References; Tables;
• Pagination: p. 111-129
• Serial:
  • Volume: 56

Subject/Index Terms

• TRT Terms: Accelerated tests; Asphalt concrete; Forecasting; Laboratory tests; Pavement performance; Recycled materials; Repeated loads; Rutting; Stresses; Triaxial shear tests
• Uncontrolled Terms: Modifications; Triaxial testing machine; Triaxial tests
• Old TRIS Terms: Stress conditions
• Subject Areas: Design; Highways; Materials; Pavements; I22: Design of Pavements, Railways and Guideways; I23: Properties of Road Surfaces; I31: Bituminous Binders and Materials;

Filing Info

• Accession Number: 00739793
• Record Type: Publication
• Files: TRIS
• Created Date: Aug 28 1997 12:00AM