Experimental study of bituminous mastic behaviour using different fillers based on the UCL method

D. Movilla-Quesada, A. Vega-Zamanillo, M.A. Calzada-Pérez, D. Castro-Fresno

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Abstract

This research demonstrates that the use of suitable amounts of calcium hydroxide as an additive in asphalt mixtures can improve the aggregate-bitumen adhesion, forming a bituminous mixture which is more resistant to traffic loads and the action of water.

The analysis was performed using the UCL method and the Cantabrian Test, taking as a case study three types of filler with different natures, mixed with 4.5% bitumen. The results are presented as state curves, which show clear differences between the three fillers, demonstrating that the hydroxide suffers small wear losses in concentrations close to 1.3%, indicating a significant reduction in the risk of plastic deformation, and an improvement in the mixture durability and/or adhesiveness.
Original languageEnglish
Pages (from-to)149-157
Number of pages9
JournalJournal of Civil Engineering and Management
Volume19
Issue number2
DOIs
Publication statusPublished - 18 Apr 2013
Externally publishedYes

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Bibliographical note

Copyright © 2019 The Author(s). Published by VGTU Press.

This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

Keywords

  • bituminous mixture
  • filler
  • bitumen
  • UCL method
  • state curves

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