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Comparison of mineralogical, mechanical and hygroscopic characteristic of earthen, gypsum and cement-based plasters

2020-09-10Journal article Restricted access
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dc.contributor.authorSantos, Tânia
dc.contributor.authorGomes, Maria Idália
dc.contributor.authorSantos Silva, A.
dc.contributor.authorFerraz, E.
dc.contributor.authorFaria, Paulina
dc.date.accessioned2020-10-07T10:42:51Z
dc.date.available2020-10-07T10:42:51Z
dc.date.issued2020-09-10
dc.description.abstractIt is important to ensure indoor comfort by passive methods, avoiding mechanical equipment that has energy costs. To assess plasters common efficiency but also its contribution as moisture buffers, five different plastering mortars, including unstabilized and stabilized earth-based plasters, gypsum and cement-based pre-mixed plasters, were analyzed and their chemical, mechanical and hygroscopic characteristics compared. The materials and mortars were analyzed by X-ray diffraction and simultaneous thermal analysis. Linear shrinkage, dry bulk density, dynamic modulus of elasticity, flexural and compressive strengths, dry abrasion resistance, surface cohesion, surface hardness and sorption and desorption of mortars and plasters were also evaluated. The mechanical strength of earthen mortars is lower than gypsum and cement-based mortars. However, earth plasters show the highest hygroscopicity, acting as moisture passive buffers, improving thermal comfort and contributing to occupants health.pt_PT
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.citationSANTOS, Tânia; [et al] – Comparison of mineralogical, mechanical and hygroscopic characteristic of earthen, gypsum and cement-based plasters. Construction and Building Materials. ISSN 0950-0618. Vol. 254 (2020), pp. 1-11pt_PT
dc.identifier.doi10.1016/j.conbuildmat.2020.119222pt_PT
dc.identifier.issn0950-0618
dc.identifier.issn1879-0526
dc.identifier.urihttp://hdl.handle.net/10400.21/12277
dc.language.isoengpt_PT
dc.peerreviewedyespt_PT
dc.publisherElsevierpt_PT
dc.relationSAICT/23349/2016 - FCTpt_PT
dc.relationPTDC/EPH-PAT/4684/2014 - FCTpt_PT
dc.relation.publisherversionhttps://reader.elsevier.com/reader/sd/pii/S0950061820312277?token=D56E277FEC41D890F0870A1175A0555BCF80E28D5F7D2CDA886D63B7ECFFEDD6A7FC2BAC466E3E78E004936024C0DFE5pt_PT
dc.subjectAbrasionpt_PT
dc.subjectAir limept_PT
dc.subjectCohesionpt_PT
dc.subjectCompression and flexural strengthpt_PT
dc.subjectLaboratory testingpt_PT
dc.subjectMortarpt_PT
dc.subjectSorptionpt_PT
dc.subjectXRDpt_PT
dc.subjectTGA/DSCpt_PT
dc.titleComparison of mineralogical, mechanical and hygroscopic characteristic of earthen, gypsum and cement-based plasterspt_PT
dc.typejournal article
dspace.entity.typePublication
oaire.citation.endPage11pt_PT
oaire.citation.startPage1pt_PT
oaire.citation.titleConstruction and Building Materialspt_PT
oaire.citation.volume254pt_PT
person.familyNameSantos
person.familyNameIdália da Gomes
person.familyNameSantos Silva
person.familyNameMarques de Oliveira Ferraz
person.familyNameFaria
person.givenNameTânia
person.givenNameMaria
person.givenNameAntónio
person.givenNameEduardo Jorge
person.givenNamePaulina
person.identifierA-7487-2013
person.identifierB-7140-2014
person.identifier833004
person.identifier.ciencia-id6110-CACC-EA84
person.identifier.ciencia-id0110-9A5F-A165
person.identifier.ciencia-idCA16-0528-DD97
person.identifier.ciencia-idC517-A240-7C81
person.identifier.ciencia-id8710-990F-E845
person.identifier.orcid0000-0002-6409-5438
person.identifier.orcid0000-0002-2880-5359
person.identifier.orcid0000-0001-8002-0682
person.identifier.orcid0000-0003-4717-6305
person.identifier.orcid0000-0003-0372-949X
person.identifier.ridF-8265-2014
person.identifier.scopus-author-id55761841200
person.identifier.scopus-author-id7003480912
person.identifier.scopus-author-id55515104200
rcaap.rightsclosedAccesspt_PT
rcaap.typearticlept_PT
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