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Characterization of permanent deformation resistance of precipitated calcium carbonate modified asphalt mixture

    Fereidoon Moghadas Nejad Affiliation
    ; Ali Reza Azarhoosh Affiliation
    ; Gholam Hossein Hamedi Affiliation
    ; Mohammad Javad Azarhoosh Affiliation

Abstract

Rutting in asphalt pavements that appears as an indentation in the longitudinal direction continues to create problems for pavement agencies. This paper presents the results of the laboratory study on rutting susceptibility of asphalt mixtures containing Precipitated Calcium Carbonate (PCC) coated by a thin layer of a polymeric compound. To assess the impact of PCC on rutting properties of HMA, control mixtures (without PCC) and mixtures containing PCC were tested using dynamic creep and indirect tensile stiffness modulus tests. The HMA mixtures containing 0%, 5%, 10%, and 15% of PCC were prepared. In this paper, it is shown that the use of PCC can decrease the rutting potential of asphalt mixes. According to the results obtained in this study; using a 5% PCC in HMA is acceptable for heavy traffic volume roads especially in tropical regions.

Keyword : precipitated calcium carbonate, rutting, stiffness modulus, dynamic creep

How to Cite
Moghadas Nejad, F., Azarhoosh, A. R., Hamedi, G. H., & Azarhoosh, M. J. (2015). Characterization of permanent deformation resistance of precipitated calcium carbonate modified asphalt mixture. Journal of Civil Engineering and Management, 21(5), 615-622. https://doi.org/10.3846/13923730.2014.890654
Published in Issue
May 6, 2015
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This work is licensed under a Creative Commons Attribution 4.0 International License.