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A comparative Life Cycle Assessment between recycled aggregate and natural aggregate

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1515-Texto del artículo-8451-1-10-20220601.pdf (959,9Kb)
 
10.24050/reia.v19i38.1515
 
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Suárez Silgado, Sindy
Roca Ramon, XavierMés informacióMés informacióMés informació
Calderón Valdiviezo, Lucrecia JannethMés informacióMés informacióMés informació
Document typeArticle
Defense date2022-06-01
Rights accessOpen Access
Attribution-NonCommercial-NoDerivs 4.0 International
This work is protected by the corresponding intellectual and industrial property rights. Except where otherwise noted, its contents are licensed under a Creative Commons license : Attribution-NonCommercial-NoDerivs 4.0 International
Abstract
The construction industry consumes many natural resources and generates a large amount of waste in the environment, in all phases of the life cycle. For this reason, the use of recycled material is increasingly being encouraged, instead of original raw material for the production of new materials that contribute to closing the materials cycle. The objective of this study was to evaluate and compare the environmental impacts of obtaining natural aggregate and recycled aggregate, taking Spain as a case study. Life cycle assessment (LCA) and the IMPACT 2002+ method were used to calculate the environmental impacts. To carry out the inventory, primary information was obtained and subsequently complemented and compared with the Ecoinvent v2.2 database. The results of this study show that the obtaining of natural aggregate has environmental impacts on all the evaluated categories. Recycled aggregate from reinforced concrete has impacts on the carcinogenic and non-carcinogenic effects category. However, it results in significant savings in the other categories. Recycling aggregate on the construction site resulted in higher savings in most categories than recycling aggregate at the plant.
CitationSindy Suárez S.; Roca, X.; Calderon, L. A comparative Life Cycle Assessment between recycled aggregate and natural aggregate. "Revista EIA", 1 Juny 2022, vol. 19, núm. 38. 
URIhttp://hdl.handle.net/2117/384550
DOI10.24050/reia.v19i38.1515
ISSN2463-0950
Publisher versionhttps://revistas.eia.edu.co/index.php/reveia/article/view/1515
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