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Cement-Matrix Composites Using CFRP Waste: A Circular Economy Perspective Using Industrial Symbiosis
This study aims to provide a mitigation strategy for reducing the economic and environmental impacts of carbon fiber wastes deriving from automotive industry. Recycling and reuse in the construction industry is proposed, according to an industrial symbiosis within a circular economy perspective. Spe...
Autores principales: | , , , , |
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Formato: | Online Artículo Texto |
Lenguaje: | English |
Publicado: |
MDPI
2021
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Materias: | |
Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8002981/ https://www.ncbi.nlm.nih.gov/pubmed/33803556 http://dx.doi.org/10.3390/ma14061484 |
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author | Vitale, Pierluca Napolitano, Rosanna Colella, Francesco Menna, Costantino Asprone, Domenico |
author_facet | Vitale, Pierluca Napolitano, Rosanna Colella, Francesco Menna, Costantino Asprone, Domenico |
author_sort | Vitale, Pierluca |
collection | PubMed |
description | This study aims to provide a mitigation strategy for reducing the economic and environmental impacts of carbon fiber wastes deriving from automotive industry. Recycling and reuse in the construction industry is proposed, according to an industrial symbiosis within a circular economy perspective. Specifically, the process consists of repurposing carbon fiber reinforced polymer (CFRP) scraps/waste into new cement-matrix composites, for which the resulting benefits, in terms of mechanical and environmental performance, are herein described. An experimental campaign, starting with a specific heat treatment of CFRP sheets and an accurate dimensional distribution analysis of the short carbon fibers, is presented. The influence of the fiber content and length on both the workability and the mechanical performance of cement-based carbon fiber reinforced mortars is also evaluated. A reduced amount of either sand or cement (up to 8% and 12.8% in volume, respectively) is also considered in the mix design of the fiber reinforced mortars and derives from the substitution of the sand or binder with an equivalent volume of CFRP fibers. The results show a satisfactory increase in compressive and flexural strength in the range 10–18% for the samples characterized by a volume fraction of fibers of approximately 4% and having a 2–5 mm length. Finally, a life cycle assessment (LCA, 14040/14044) was carried out to quantify the environmental burden reductions associated with the implementation of the proposed symbiotic scheme. |
format | Online Article Text |
id | pubmed-8002981 |
institution | National Center for Biotechnology Information |
language | English |
publishDate | 2021 |
publisher | MDPI |
record_format | MEDLINE/PubMed |
spelling | pubmed-80029812021-03-28 Cement-Matrix Composites Using CFRP Waste: A Circular Economy Perspective Using Industrial Symbiosis Vitale, Pierluca Napolitano, Rosanna Colella, Francesco Menna, Costantino Asprone, Domenico Materials (Basel) Article This study aims to provide a mitigation strategy for reducing the economic and environmental impacts of carbon fiber wastes deriving from automotive industry. Recycling and reuse in the construction industry is proposed, according to an industrial symbiosis within a circular economy perspective. Specifically, the process consists of repurposing carbon fiber reinforced polymer (CFRP) scraps/waste into new cement-matrix composites, for which the resulting benefits, in terms of mechanical and environmental performance, are herein described. An experimental campaign, starting with a specific heat treatment of CFRP sheets and an accurate dimensional distribution analysis of the short carbon fibers, is presented. The influence of the fiber content and length on both the workability and the mechanical performance of cement-based carbon fiber reinforced mortars is also evaluated. A reduced amount of either sand or cement (up to 8% and 12.8% in volume, respectively) is also considered in the mix design of the fiber reinforced mortars and derives from the substitution of the sand or binder with an equivalent volume of CFRP fibers. The results show a satisfactory increase in compressive and flexural strength in the range 10–18% for the samples characterized by a volume fraction of fibers of approximately 4% and having a 2–5 mm length. Finally, a life cycle assessment (LCA, 14040/14044) was carried out to quantify the environmental burden reductions associated with the implementation of the proposed symbiotic scheme. MDPI 2021-03-18 /pmc/articles/PMC8002981/ /pubmed/33803556 http://dx.doi.org/10.3390/ma14061484 Text en © 2021 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/). |
spellingShingle | Article Vitale, Pierluca Napolitano, Rosanna Colella, Francesco Menna, Costantino Asprone, Domenico Cement-Matrix Composites Using CFRP Waste: A Circular Economy Perspective Using Industrial Symbiosis |
title | Cement-Matrix Composites Using CFRP Waste: A Circular Economy Perspective Using Industrial Symbiosis |
title_full | Cement-Matrix Composites Using CFRP Waste: A Circular Economy Perspective Using Industrial Symbiosis |
title_fullStr | Cement-Matrix Composites Using CFRP Waste: A Circular Economy Perspective Using Industrial Symbiosis |
title_full_unstemmed | Cement-Matrix Composites Using CFRP Waste: A Circular Economy Perspective Using Industrial Symbiosis |
title_short | Cement-Matrix Composites Using CFRP Waste: A Circular Economy Perspective Using Industrial Symbiosis |
title_sort | cement-matrix composites using cfrp waste: a circular economy perspective using industrial symbiosis |
topic | Article |
url | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8002981/ https://www.ncbi.nlm.nih.gov/pubmed/33803556 http://dx.doi.org/10.3390/ma14061484 |
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