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Multi-level study on UHPFRC incorporating ECat

2022-02-07Journal article Restricted access
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dc.contributor.authorAbrishambaf, Amin
dc.contributor.authorPimentel, Mário
dc.contributor.authorNunes, Sandra
dc.contributor.authorCosta, Carla
dc.date.accessioned2022-01-19T13:51:02Z
dc.date.available2022-01-19T13:51:02Z
dc.date.issued2022-02-07
dc.description.abstractThe suitability of a recently developed ultra-high performance fibre reinforced cementitious composite (UHPFRC) incorporating Spent Equilibrium Catalyst, ECat, for structural applications is investigated through a systematic multi-level investigation across micro, meso and composite levels. Scanning electron microscopy, isothermal calorimetry, thermogravimetric analysis, and mercury intrusion porosimetry tests were performed to evaluate the microstructure of the composite. At the meso-level, the mechanical properties of fibre to matrix ITZ were characterised by single fibre pullout tests on fibres embedded with various fibre orientation angles. At the composite level, specimens with 3% fibre content and different fibre orientation profiles were prepared to determine uniaxial tensile behaviour. The relation between the tensile fracture parameters and fibre structure parameter was assessed. In each level, the results are compared to a conventional ternary UHPFRC mixture and point towards the suitability of the newly developed mixture for structural applications.pt_PT
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.citationABRISHAMBAF, Amin; [et al] – Multi-level study on UHPFRC incorporating ECat. Construction and Building Materials. ISSN 0950-0618. Vol. 318 (2022), pp. 1-15.pt_PT
dc.identifier.doi10.1016/j.conbuildmat.2021.125976pt_PT
dc.identifier.eissn1879-0526
dc.identifier.issn0950-0618
dc.identifier.urihttp://hdl.handle.net/10400.21/14169
dc.language.isoengpt_PT
dc.peerreviewedyespt_PT
dc.publisherElsevierpt_PT
dc.relationUIDB/04708/2020 - CONSTRUCT-Instituto de I&D em Estruturas e Construções - national funds through the FCT/MCTES (PIDDAC)pt_PT
dc.relationUIDP/04708/2020 - CONSTRUCT-Instituto de I&D em Estruturas e Construções - national funds through the FCT/MCTES (PIDDAC)pt_PT
dc.relationPTDC/ECI-EST/31777/2017 - FEDER funds through COMPETE2020-Programa Operacional Competitividade e Internacionalizacao (POCI)pt_PT
dc.relation.publisherversionhttps://www.sciencedirect.com/science/article/pii/S0950061821037089?via%3Dihubpt_PT
dc.subjectSpent Equilibrium Catalystpt_PT
dc.subjectUltra-high performance fibre reinforcedpt_PT
dc.subjectCementitious compositept_PT
dc.subjectMicrostructural analysispt_PT
dc.subjectMeso-levelpt_PT
dc.subjectUniaxial tensile behaviourpt_PT
dc.titleMulti-level study on UHPFRC incorporating ECatpt_PT
dc.typejournal article
dspace.entity.typePublication
oaire.citation.endPage15pt_PT
oaire.citation.startPage1pt_PT
oaire.citation.titleConstruction and Building Materialspt_PT
oaire.citation.volume318pt_PT
person.familyNameAbrishambaf
person.familyNamePimentel
person.familyNameNunes
person.familyNameCosta
person.givenNameAmin
person.givenNameMário
person.givenNameSandra
person.givenNameCarla
person.identifierhttps://scholar.google.pt/citations?hl=en&user=c0PscQQAAAAJ
person.identifierR-000-G5N
person.identifier.ciencia-idD91B-1104-7799
person.identifier.ciencia-id691F-9505-E384
person.identifier.ciencia-id7914-3BF1-F9EC
person.identifier.orcid0000-0002-5087-9485
person.identifier.orcid0000-0001-8626-6018
person.identifier.orcid0000-0002-4876-2587
person.identifier.orcid0000-0003-4222-4734
person.identifier.ridAAB-4944-2020
person.identifier.scopus-author-id36767370700
rcaap.rightsclosedAccesspt_PT
rcaap.typearticlept_PT
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relation.isAuthorOfPublication.latestForDiscovery1ed7079b-5955-4712-968e-820629764c4a

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