SYMPOSIA PAPER Published: 01 January 1972

Fatigue of Asphalt Concrete Mixtures—Summary of Existing Information


In order that considerations for fatigue distress of the asphalt concrete may be incorporated into pavement design procedures, it is necessary that definitive information on the fatigue behavior of asphalt concrete mixtures be determined. Data are presented based on a review of the literature as well as our research, which illustrate the effects of a number of mixture variables on fatigue response and include an indication of the influence of: mixture stiffness, air void content, aggregate gradation, aggregate type, asphalt content, and asphalt type.

A literature review indicates the variation of air void content, aggregate gradation, and asphalt content to be expected on typical construction projects. This information together with the fatigue data presented previously allows the engineer to assess the relative importance of these mixture variables on predicting the performance of pavements. Asphalt content and test temperature appear to be more critical than the variation associated with aggregate gradation, asphalt hardness, and air void content.

Author Information

Epps, JA
Texas Transportation Institute, Texas A & M University, College Station, Tex.
Monismith, CL
Institute of Transportation and Traffic Engineering, University of California, Berkeley, Calif.
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Developed by Committee: D04
Pages: 19–45
DOI: 10.1520/STP38807S
ISBN-EB: 978-0-8031-5574-9
ISBN-13: 978-0-8031-0108-1