SYMPOSIA PAPER Published: 01 January 1995

The Use of Time-Temperature Superposition to Fundamentally Characterize Asphaltic Concrete Mixtures at Low Temperatures


An analytical approach for the determination of the viscoelastic properties of asphaltic concrete mixtures at low temperatures is described. The properties are derived from laboratory test data obtained from the mixture test selected by the Strategic Highway Research Program (SHRP) to support the new mixture specification for thermal cracking. It is shown that the principle of time-temperature superposition can adequately represent the time- and temperature-dependent stiffness properties of asphaltic concrete mixtures at low temperatures. In addition, it is shown that a generalized Maxwell model (Prony series) can accurately represent the master creep compliance curve of asphaltic concrete mixtures at low temperatures.

Author Information

Hiltunen, DR
The Pennsylvania State University, University Park, Pennsylvania
Roque, R
University of Florida, Gainesville, Florida
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Developed by Committee: D04
Pages: 74–93
DOI: 10.1520/STP15563S
ISBN-EB: 978-0-8031-5313-4
ISBN-13: 978-0-8031-2002-0