SYMPOSIA PAPER Published: 01 January 1989

Factors that Influence Moisture Damage in Asphaltic Pavements


This paper addresses the increase in moisture damage occurring in asphalt pavements over the past decade. It defines moisture damage and discusses the many causal factors that have been cited, with emphasis on those under the control of the asphalt technologist. The increase in heavy traffic loadings is mentioned as the number one cause of damage, and the potential for poor selection and handling of aggregates to exacerbate the problem is noted. Several methods of evaluating asphalt mixes for susceptibility to moisture damage are given, and the need for a predictive procedure approved by a nationally recognized authority is emphasized. Lastly, several methods of reducing the potential for moisture damage are discussed.

Author Information

Hughes, CS
Virginia Transportation Research Council, Charlottesville, VA
Maupin, GW
Virginia Highway and Transportation Research Council, Charlottesville, VA
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Developed by Committee: D04
Pages: 96–102
DOI: 10.1520/STP24558S
ISBN-EB: 978-0-8031-5077-5
ISBN-13: 978-0-8031-1193-6