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Abstract: Major advances have been achieved in the field of self-healing by magnetic induction in which the addition of metallic particles into asphalt mixtures enables repairing their own cracks. This technology has already been proven to increase the life expectancy of roads. Nevertheless, its higher costs in comparison with conventional maintenance caused by the price of virgin metallic particles still makes it unattractive for investment. This research aimed at making this process economically accessible as well as environmentally efficient. To this end, an intense search for suitable industrial by-products to substitute both the virgin metal particles and the natural aggregates forming asphalt mixtures was conducted. The set of by-products used included sand blasting wastes, stainless shot wastes, and polished wastes as metallic particles and other inert by-products as aggregates. The results demonstrated that the by-products were adequately heated, which leads to satisfactory healing ratios in comparison with the reference mixture.
Fuente: Materials (Basel). 2018 May 15;11(5)
Editorial: MDPI AG
Fecha de publicación: 01/05/2018
Nº de páginas: 14
Tipo de publicación: Artículo de Revista
Proyecto español: BIA2016-77372-R
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MARTA VILA CORTAVITARTE
DANIEL JATO ESPINO
DANIEL CASTRO FRESNO
MIGUEL ANGEL CALZADA PEREZ