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Abstract: Cold mix asphalts present clear advantages such as the fact that they do not need to be heated, what results in lower energy consumptions and emissions, or the possibility to be transported long distances and manufactured on an offsite. However, their use is highly limited due to the long curing times that are needed to reach their final strength and the lower mechanical performance achieved comparing to hot mix asphalts. This paper studies induction heating as a process to accelerate the drying time of the emulsion and compares it, in terms of the mixture mechanical performance, with a more conventional method in which the cold sample is heated up in an oven. Different tests, as Cantabro, stiffness and Indirect tensile strength have been carried out. The mechanical results have shown that the induction heating could be a feasible alternative to increase the initial strength and reduce the opening time for this type of layers, although more research is necessary concerning the optimization of the mixture and the improvement of the induction device configuration.
Fuente: Construction and Building Materials Volume 208, 30 May 2019, Pages 646-650
Editorial: Elsevier Ltd
Fecha de publicación: 01/05/2019
Nº de páginas: 9
Tipo de publicación: Artículo de Revista
Proyecto español: BIA2016-77372-R
Url de la publicación: https://doi.org/10.1016/j.conbuildmat.2019.03.053
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PEDRO LASTRA GONZALEZ
IRUNE INDACOECHEA VEGA
MIGUEL ANGEL CALZADA PEREZ
DANIEL CASTRO FRESNO
ANGEL VEGA ZAMANILLO