New procedure to control the tack coat applied between bituminous pavement layers

A.C. Raposeiras, A. Vega-Zamanillo, M.A. Calzada-Pérez, D. Castro-Fresno

Research output: Contribution to journalArticle

13 Citations (Scopus)


To achieve proper bonding between the pavement layers it is necessary to spread the precise amount of tack coat. In several laboratory tests, effectiveness of a newly designed device to control the tack coat dosage applied on site is studied, in which the most influential variables are surface macro-texture and amount of tack coat applied, with a negligible influence of the emulsion type. According to the results obtained, the geotextile absorbs higher percentages of emulsion for samples of bituminous mixtures with lower surface macro-texture values, e.g. AC16D, while the lowest percentages of absorbed emulsion are obtained for samples with higher surface macro-texture values, e.g. BBTM11A. The emulsion percentage absorbed by the geotextile is directly related with the quantity of emulsion in charge of the bond between layers.

Original languageEnglish
Pages (from-to)228-235
Number of pages8
JournalConstruction and Building Materials
Early online date9 Apr 2013
Publication statusPublished - Jul 2013
Externally publishedYes


  • Tack coat
  • Surface macro-texture
  • Emulsion
  • Geotextile
  • Bituminous pavement

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