Influence of the mineral filler on the rheological behavior of mastic asphalts

Authors

  • Vivian Silveira dos Santos Bardini Escola de Engenharia de Sao Carlos, Universidade de Sao Paulo.
  • Luis Miguel Gutierrez Klinsky Escola de Engenharia de Sao Carlos, Universidade de Sao Paulo.
  • Jose Leomar Fernandes Junior Escola de Engenharia de Sao Carlos, Universidade de Sao Paulo.
  • Reynaldo Roque University of Florida

DOI:

https://doi.org/10.4237/transportes.v20i4.603

Abstract

This research evaluates the mineral filler content and type influence, and the binder type, on the rheological behavior throughout the temperature range in which the pavement is subject in the service life. Tests were conducted under oscillatory shear, the dynamic shear rheometer (DSR) to characterize the complex modulus (G*) and the phase angle (δ); and in the bending beam rheometer (BBR) to characterize the low temperature properties of the mastics through the flexural creep stiffness (S(t)) and the m-value. The factors that influence G* and δ are the loading frequency and the type of binder, and the filler type and amount only influence the mastic
elasticity, and the stiffness only when evaluate the hydrated lime results. The BBR results are significantly affected by the filler amount and type of binder.

Keywords: mineral filler, asphaltic mastic, rheological properties, Superpave

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Author Biographies

Vivian Silveira dos Santos Bardini, Escola de Engenharia de Sao Carlos, Universidade de Sao Paulo.

Departamento de Transportes, Infraestrutura de transportes.

Luis Miguel Gutierrez Klinsky, Escola de Engenharia de Sao Carlos, Universidade de Sao Paulo.

Departamento de Transportes, Infraestrutura de transportes.

Jose Leomar Fernandes Junior, Escola de Engenharia de Sao Carlos, Universidade de Sao Paulo.

Departamento de Transportes, Infraestrutura de transportes.

Reynaldo Roque, University of Florida

Department of Civil and Coastal Engineering

References

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Yildrim, Y.; Soaimanian, M.; Kennedy, T.W. (2000) “Mixing and Compaction Temperatures for Hot Mix Asphalt”. Transportation Research Record, n.1250-5.

Published

2012-12-27

How to Cite

Bardini, V. S. dos S., Gutierrez Klinsky, L. M., Fernandes Junior, J. L., & Roque, R. (2012). Influence of the mineral filler on the rheological behavior of mastic asphalts. TRANSPORTES, 20(4), 19–26. https://doi.org/10.4237/transportes.v20i4.603