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    Por favor, use este identificador para citar o enlazar este ítem: http://hdl.handle.net/10259/7652

    Título
    Analysis and Economic Evaluation of the Use of Recycled Polyamide Powder in Masonry Mortars
    Autor
    Salas García, Miguel ÁngelUBU authority Orcid
    Pérez Acebo, Heriberto
    Calderón Carpintero, VerónicaUBU authority Orcid
    Gonzalo Orden, HernánUBU authority Orcid
    Publicado en
    Polymers. 2020, V. 12, n. 11, 2657
    Editorial
    MDPI
    Fecha de publicación
    2020-11
    DOI
    10.3390/polym12112657
    Abstract
    Due to the considerable amount of waste plastics and polymers that are produced annually, the introduction of these waste products in construction materials is becoming a recurrent solution to recycle them. Among polymers, polyamide represents an important proportion of polymer waste. In this study, sustainable and lightweight mortars were designed and elaborated, substituting the aggregates by polyamide powder waste. Mortars were produced with various dosages of cement/aggregates, and the polyamide substitutions were 25, 50, 75, and 100% of the aggregates. The aim of this paper is to determine the density and the compressive strength of the manufactured mortars to observe the feasibility for being employed as masonry or rendering and plastering mortars. Results showed that with increasing polymer substitution, lower densities were achieved, ranging from 1850 to 790 kg/m3 in modified mortars. Mortars with densities below 1300 kg/m3 are cataloged as lightweight mortars. Furthermore, compressive strength also decreased with more polyamide substitution. Obtained values in recycled mortars were between 15.77 and 2.10 MPa, but the majority of the values (eight out of 12) were over 5 MPa. Additionally, an economic evaluation was performed, and it was observed that the use of waste polyamide implies an important cost reduction, apart from the advantage of not having to manage this waste material. Consequently, not only the mechanical properties of the new recycled materials were verified as well as its economic viability.
    Palabras clave
    Polyamide
    Waste material
    Waste polyamide
    Mortar
    Lightweight mortar
    Compressive strength
    Sustainable material
    Materia
    Ingeniería civil
    Civil engineering
    Construcción
    Building
    Materiales de construcción
    Building materials
    Arquitectura
    Architecture
    URI
    http://hdl.handle.net/10259/7652
    Versión del editor
    https://doi.org/10.3390/polym12112657
    Collections
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    Atribución 4.0 Internacional
    Documento(s) sujeto(s) a una licencia Creative Commons Atribución 4.0 Internacional
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