Stress dependent master curve construction for dynamic (complex) modulus

Terhi K. Pellinen, Matthew W. Witczak, Mihai Marasteanu, Ghassan Chehab, Sirous Alavi, Raj Dongré

Research output: Contribution to journalConference articlepeer-review

135 Scopus citations


This paper presents a method of constructing stress dependent asphalt mix master curve using compressive dynamic (complex) modulus test data. The presented method uses a k1-k3 non-linear elasticity model to incorporate stress dependency to the master curve. The stress dependency is included in the equilibrium modulus value of the master curve, instead of incorporating it into the shift factors. The stress dependency and non-linearity are considered only at intermediate and high temperatures and the model assumes a linear viscoelastic material behavior at cold temperatures. As a practical implementation of the method, a Stress Dependent Dynamic Modulus Predictive Equation was developed analogous to the Witczak at al. Dynamic Modulus Predictive Equation.

Original languageEnglish (US)
Pages (from-to)281-309
Number of pages29
JournalAsphalt Paving Technology: Association of Asphalt Paving Technologists-Proceedings of the Technical Sessions
StatePublished - 2002
EventAsphalt Paving Technology 2002 - Colorado Springs, CO, United States
Duration: Mar 18 2002Mar 20 2002


  • Asphalt Mixture
  • Linear Viscoelastic
  • Master Curve
  • Stress Dependent

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