Effect of petrographic composition and chemistry of aggregate on the local and general fracture response of cementitious composites

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dc.contributor.authorVyhlídal, Michalcs
dc.contributor.authorRozsypalová, Ivacs
dc.contributor.authorŠimonová, Hanacs
dc.contributor.authorKucharczyková, Barbaracs
dc.contributor.authorVavro, Leonacs
dc.contributor.authorVavro, Martincs
dc.contributor.authorNěmeček, Jiřícs
dc.contributor.authorRovnaníková, Pavlacs
dc.contributor.authorKeršner, Zbyněkcs
dc.coverage.issue60cs
dc.coverage.volume16cs
dc.date.accessioned2022-05-27T10:53:48Z
dc.date.available2022-05-27T10:53:48Z
dc.date.issued2022-03-25cs
dc.description.abstractThis paper concerns the results of research into the influence of the composition of rock inclusions on the fracture response of cement-based composite specimens. Specially designed specimens of the nominal dimensions 40 × 40 × 160 mm with inclusions in the shape of prisms with nominal dimensions of 8 × 8 × 40 mm were provided with an initial central edge notch with a depth of 12 mm. These specimens, which were made of fine-grained cement-based composite with different types of rock inclusion – amphibolite, basalt, granite, and marble – were tested in the three-point bending configuration. Fracture surfaces were examined via scanning electron microscopy and local response in the vicinity of rock inclusions was characterized via the nanoindentation technique. The aim of this paper is to analyse the influence of the chemical/petrographic composition of rock inclusions on the effective mechanical fracture parameters of cement-based composites, as well as on the microstructural mechanical parameters of the interfacial transition zone. The results of this research indicate the significant dependence of the effective fracture parameters on the petrographic and related chemical composition of the rock inclusions.en
dc.formattextcs
dc.format.extent13-29cs
dc.format.mimetypeapplication/pdfcs
dc.identifier.citationFrattura ed Integrita Strutturale. 2022, vol. 16, issue 60, p. 13-29.en
dc.identifier.doi10.3221/IGF-ESIS.60.02cs
dc.identifier.issn1971-8993cs
dc.identifier.other177589cs
dc.identifier.urihttp://hdl.handle.net/11012/204468
dc.language.isoencs
dc.publisherGruppo Italiano Fratturacs
dc.relation.ispartofFrattura ed Integrita Strutturalecs
dc.relation.urihttps://www.fracturae.com/index.php/fis/article/view/3321cs
dc.rightsCreative Commons Attribution 4.0 Internationalcs
dc.rights.accessopenAccesscs
dc.rights.sherpahttp://www.sherpa.ac.uk/romeo/issn/1971-8993/cs
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/cs
dc.subjectCement-based compositeen
dc.subjectForce–displacement diagramen
dc.subjectFracture testen
dc.subjectInclusionen
dc.subjectMechanical fracture parametersen
dc.subjectRocks.en
dc.titleEffect of petrographic composition and chemistry of aggregate on the local and general fracture response of cementitious compositesen
dc.type.driverarticleen
dc.type.statusPeer-revieweden
dc.type.versionpublishedVersionen
sync.item.dbidVAV-177589en
sync.item.dbtypeVAVen
sync.item.insts2022.05.27 12:53:48en
sync.item.modts2022.05.27 12:14:27en
thesis.grantorVysoké učení technické v Brně. Fakulta stavební. Ústav stavební mechanikycs
thesis.grantorVysoké učení technické v Brně. Fakulta stavební. Ústav chemiecs
thesis.grantorVysoké učení technické v Brně. Fakulta stavební. Ústav stavebního zkušebnictvícs
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