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Bio-Wastes as Aggregates for Eco-Efficient Boards and Panels: Screening Tests of Physical Properties and Bio-Susceptibility

2022-03Artigo científico Acesso aberto
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dc.contributor.authorCintura, Eleonora
dc.contributor.authorFaria, Paulina
dc.contributor.authorDuarte, Marta
dc.contributor.authorNunes, Lina
dc.contributor.institutionDEC - Departamento de Engenharia Civil
dc.contributor.pblMDPI - Multidisciplinary Digital Publishing Institute
dc.date.accessioned2022-02-24T23:23:19Z
dc.date.available2022-02-24T23:23:19Z
dc.date.issued2022-03
dc.descriptionPD/BD/150579/2020 UIDB/04625/2020
dc.description.abstractScreening tests were developed or adapted from RILEM recommendations, standards and past studies, and carried out to characterize some agro-industrial wastes and to assess their feasibility as aggregates for eco-efficient building composites. Spent coffee grounds, grape and olive press waste and hazelnut shells were used, as well as maritime pine chips as control material. Particle size distribution, loose bulk density, thermal conductivity and hygroscopicity properties were analysed. The selected bio-wastes did not show good thermal insulation properties if compared with some bio-wastes already studied and used for thermal insulation composites. Values of loose bulk density and thermal conductivity were between 325.6–550.5 kg/m3 and 0.078–0.107 W/(m·K); moisture buffering values higher than 2.0 g/(m2·%RH). Biological susceptibility to mould and termites were also tested, using not yet standardized methods. The low resistance to biological attack confirms one of the greatest drawbacks of using bio-wastes for building products. However, final products properties may be changed by adding other materials, pre-treatments of the wastes and the production process.en
dc.description.versionpublishersversion
dc.description.versionpublished
dc.format.extent26
dc.format.extent3969313
dc.identifier.doi10.3390/infrastructures7030026
dc.identifier.issn2412-3811
dc.identifier.otherPURE: 41954766
dc.identifier.otherPURE UUID: 839b4796-6e72-4316-b2d6-10cffaa2dade
dc.identifier.otherORCID: /0000-0003-0372-949X/work/108686180
dc.identifier.otherScopus: 85125790243
dc.identifier.otherWOS: 000775113000001
dc.identifier.urihttp://hdl.handle.net/10362/133572
dc.identifier.urlhttps://www.scopus.com/pages/publications/85125790243
dc.language.isoeng
dc.peerreviewedyes
dc.subjectpanel
dc.subjectthermal properties
dc.subjectagro-industrial waste
dc.subjectbio susceptibility
dc.subjectboard
dc.subjectcoffee ground
dc.subjectgrape press waste
dc.subjecthazelnut shell
dc.subjectinsulation
dc.subjectolive pomace
dc.subjectCivil and Structural Engineering
dc.subjectBuilding and Construction
dc.subjectGeneral Materials Science
dc.subjectGeotechnical Engineering and Engineering Geology
dc.subjectComputer Science Applications
dc.titleBio-Wastes as Aggregates for Eco-Efficient Boards and Panels: Screening Tests of Physical Properties and Bio-Susceptibilityen
dc.typejournal article
degois.publication.issue3
degois.publication.titleInfrastructures
degois.publication.volume7
dspace.entity.typePublication
rcaap.rightsopenAccess

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