Introduction of recycled polyurethane foam in mastic asphalt

descriptionPublicationkeyboard_double_arrow_right Article 01 Jun 2018 English Publisher:Croatian Association of Civil EngineersJournal:Građevinar (issn: 0350-2465,

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Authors: Miguel Ángel Salas; Heriberto Pérez-Acebo;

handle: 10259/10106

Introduction of recycled polyurethane foam in mastic asphalt

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Abstract

The aim of this paper is to analyse the suitability of recycled polyurethane (PU) foam as a binder modifier in mastic asphalts (MA). The results show that harder bitumen is achieved with an increasing percentage of PU, up to 5 %, when the workability of the sample becomes poor. A MA mix with a 4 % of PU in bitumen was manufactured. A lower indentation was observed when compared to a virgin sample, and it was established that the modified MA can be used on heavy-traffic roads. These results suggest a promising use of this waste polymer.

Keywords

Polyurethane foam, Polymer modified bitumen, Indentation test, Building materials, Bitumen modifier, Materiales de construcción, TA1-2040, Mastic asphalt, Engineering (General). Civil engineering (General)

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