ISSN: /sinδ was identified as the term to be used for high temperature performance grading of paving asphalts in rating the binders for their rutting resistance. However, this term was found to be inadequate in describing the rutting performance of certain binders, particularly, the polymer-modified ones. A refinement of the Superpave specification parameter for performance grading of asphalt led to the evolution of the term
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Model-Fitting the Master Curves of the Dynamic Shear Rheometer Data to Extract a Rut-controlling Term for Asphalt Pavements
Shenoy, A
Senior Research Fellow, FHWA-TFHRC-HRDI-11, VA

(Received 19 June 2001; accepted 8 October 2001)

Abstract

The dynamic shear rheometer is currently being used by the asphalt community for determination of the viscoelastic properties of asphalts following the recommendations of the Strategic Highway Research Program. The Superpave specification parameter

Keywords:
dynamic shear rheometer, Superpave specification parameter, frequency sweep, master curve, rheological model, performance-related specifications, polymer-modified asphalts

Paper ID: JTE12294J
DOI: 10.1520/JTE12294J
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