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Compliance challenges in recycled material incorporation in buildings

2026-09Artigo científico Acesso aberto
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dc.contributor.authorFigueiras, Lisa
dc.contributor.authorMartinho, Graça
dc.contributor.authorRamos, Mário
dc.contributor.institutionDCEA - Departamento de Ciências e Engenharia do Ambiente
dc.contributor.institutionMARE - Centro de Ciências do Mar e do Ambiente
dc.contributor.pblElsevier BV
dc.date.accessioned2026-07-23T13:28:01Z
dc.date.available2026-07-23T13:28:01Z
dc.date.issued2026-09
dc.descriptionPublisher Copyright: © 2026 The Author(s)
dc.description.abstractGiven the potential circularity of the construction sector, this study assesses the incorporation of recycled materials in building construction within the European Union. The Portuguese legal framework sets a unique target, requiring that at least 10% of the total materials used in public works consist of recycled materials or materials containing recycled content. This study aimed to evaluate the feasibility of meeting this target, identify the materials contributing most effectively, assess implementation challenges, and compare calculated rates with actual recycled content. Two case studies were analysed: the construction of a new residential building and the renovation of an existing one. Data were collected from the bills of quantities, allowing the calculation of total material weight, recycled content according to the regulatory method, and actual recycled content. Results show that the target can be formally met in both cases, with calculated incorporation rates of 88% for the new construction and 79% for the renovation, mainly due to concrete, mortar, and gypsum. However, considering only actual recycled content, significant discrepancies emerged: 4% for the new construction in the lower scenario and up to 40% for the renovation in the upper scenario. These findings highlight gaps between regulatory calculations and real recycled material use, emphasising the need to revise guidelines to ensure genuine progress towards sustainable construction. This study provides practical insights for policymakers, stakeholders, and the construction sector, offering evidence to improve resource efficiency, promote circularity in building projects, and support the assessment of recycled material incorporation per usable floor area through the indicators calculated.en
dc.description.versionpublishersversion
dc.description.versionpublished
dc.format.extent11
dc.format.extent928277
dc.identifier.doi10.1016/j.wmb.2026.100327
dc.identifier.issn2949-7507
dc.identifier.otherPURE: 168765408
dc.identifier.otherPURE UUID: 4bcfa183-0cfb-4907-8bd3-ae6344a272d1
dc.identifier.otherScopus: 105042077488
dc.identifier.otherWOS: 001795300700001
dc.identifier.otherORCID: /0000-0002-7905-3847/work/221639486
dc.identifier.urihttp://hdl.handle.net/10362/204776
dc.identifier.urlhttps://www.scopus.com/pages/publications/105042077488
dc.identifier.urlhttps://www.webofscience.com/wos/woscc/full-record/WOS:001795300700001
dc.language.isoeng
dc.peerreviewedyes
dc.subjectBuilding
dc.subjectCircular construction
dc.subjectConstruction and demolition waste
dc.subjectMaterial recovery
dc.subjectRecycled material
dc.subjectRecycled material indicators
dc.subjectEcological Modelling
dc.subjectEnvironmental Science (miscellaneous)
dc.subjectWaste Management and Disposal
dc.subjectSDG 8 - Decent Work and Economic Growth
dc.subjectSDG 12 - Responsible Consumption and Production
dc.titleCompliance challenges in recycled material incorporation in buildingsen
dc.typejournal article
degois.publication.firstPage1
degois.publication.issue3
degois.publication.lastPage11
degois.publication.titleWaste Management Bulletin
degois.publication.volume4
dspace.entity.typePublication
rcaap.rightsopenAccess

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