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Development of an estimative model for the optimal tack coat dosage based on aggregate gradation of hot mix asphalt pavements

Abstract: In this work the performance of tack coats on asphalt pavement layers is analysed. Adjustment models based on experimental measurements were implemented, relating surface layer macro-texture and aggregate content larger than 8 mm. The best fits were obtained with a Gompertz model, which follows the expected physical macro-texture changes outside the test range. Shear strength was analysed, through prediction curves of each evaluated tack coat dosage, with an optimum tack coat performance for aggregate contents larger than 8 mm between 45% and 50%, and no relevant influence of the tack coat dosage used.

 Fuente: Construction and Building Materials Volume 118, 15 August 2016, Pages 1-10

 Editorial: Elsevier Ltd

 Fecha de publicación: 01/08/2016

 Nº de páginas: 10

 Tipo de publicación: Artículo de Revista

 DOI: 10.1016/j.conbuildmat.2016.05.045

 ISSN: 0950-0618,1879-0526

 Url de la publicación: https://doi.org/10.1016/j.conbuildmat.2016.05.045

Autoría

RAPOSEIRAS, A.C.

ROJAS-MORA, J.

PIFFAUT, E.

MOVILLA-QUESADA, D.