3D scanning as an effective tool for controlling the dimensions of test specimens

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dc.contributor.authorVyhlídal, Michalcs
dc.coverage.issue2cs
dc.coverage.volume22cs
dc.date.issued2023-01-09cs
dc.description.abstract3D laser scanning is a powerfull tool that digitally captures the shape of physical objects using a laser light crosses. In this work, the 3D laser scanning technology is used for the 3D shape capture of specially designed specimens. These specimens previously made of fine-grained cement-based composite of the nominal dimensions 40 × 40 × 160 mm with inclusion in the shape of prisms with nominal dimensions of 8 × 8 × 40 mm were provided with an initial central edge notch and tested in the three-point bending configuration. The aim of this paper is to study the macrostructure of fracture surfaces via 3D scanning technology, measure the area of ligament, verify the designed notch depth and evaluate the fracture toughness and specific fracture energy based on the measured dimensions. The results indicate that the measured notch depth is lower than the designed one thus the differences between fracture toughness calculated for designed notch depth and for the measured one is approximately 10 %. In addition, the fracture toughness is overestimated when considering the design values.en
dc.formattextcs
dc.format.extent45-50cs
dc.format.mimetypeapplication/pdfcs
dc.identifier.citationTransactions of the VŠB – Technical University of Ostrava, Civil Engineering Series. 2023, vol. 22, issue 2, p. 45-50.en
dc.identifier.doi10.35181/tces-2022-0014cs
dc.identifier.issn1804-4824cs
dc.identifier.orcid0000-0002-8035-6781cs
dc.identifier.other180687cs
dc.identifier.researcheridAAW-7452-2020cs
dc.identifier.scopus57193789294cs
dc.identifier.urihttp://hdl.handle.net/11012/213700
dc.language.isoencs
dc.publisherVSB – Technical University of Ostrava, Faculty of Civil Engineeringcs
dc.relation.ispartofTransactions of the VŠB – Technical University of Ostrava, Civil Engineering Seriescs
dc.relation.urihttp://tces.vsb.cz/Home/ArticleDetail/844cs
dc.rightsCreative Commons Attribution-NoDerivatives 4.0 Internationalcs
dc.rights.accessopenAccesscs
dc.rights.sherpahttp://www.sherpa.ac.uk/romeo/issn/1804-4824/cs
dc.rights.urihttp://creativecommons.org/licenses/by-nd/4.0/cs
dc.subject3D scanningen
dc.subjectfracture testen
dc.subjectfracture toughnessen
dc.subjectspecific fracture energy.en
dc.title3D scanning as an effective tool for controlling the dimensions of test specimensen
dc.type.driverarticleen
dc.type.statusPeer-revieweden
dc.type.versionpublishedVersionen
sync.item.dbidVAV-180687en
sync.item.dbtypeVAVen
sync.item.insts2025.02.03 15:45:33en
sync.item.modts2025.01.17 16:51:34en
thesis.grantorVysoké učení technické v Brně. Fakulta stavební. Ústav stavební mechanikycs
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