Abstract
The intrinsic characteristics of tack coats play an important role in the adhesion between layers, but the conditions of application of these coats are equally crucial. In this context, the Belgian Road Research Centre actively participates in a working group on tack coats with the objective to carry out a field study about interlayer bonding while evaluating the influence of different parameters– such as type and rate of spread of emulsion, nature and preparation of the underlayer, etc. With a view to this objective, a test site was constructed and the bond strengths were investigated by direct shear and direct tensile tests according to pre-standard prEN 12,697-48. This article describes the conditions of application, the measurements made on site and the results of the interlayer adhesion tests.
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References
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Acknowledgments
The authors wish to thank ir. P.-P. Brichant for the choice of the different variants and the planning of the works and all logistic support. This research was only made possible by the contractor Gravaubel. The authors are grateful to them for their contribution. The authors also express their gratitude to the Belgian Bureau for Standardisation for the financial support for the development of the mechanical performance tests. In addition the authors wish to thank gratefully O. Moens, F. Kaddouri and P. Crabbé for their technical support.
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Destrée, A., De Visscher, J., Piérard, N., Vanelstraete, A. (2016). Field Study to Investigate the Impact of Conditions of Application of Tack Coats on the Interlayer Bond Strength. In: Canestrari, F., Partl, M. (eds) 8th RILEM International Symposium on Testing and Characterization of Sustainable and Innovative Bituminous Materials. RILEM Bookseries, vol 11. Springer, Dordrecht. https://doi.org/10.1007/978-94-017-7342-3_28
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DOI: https://doi.org/10.1007/978-94-017-7342-3_28
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