Tensile creep of cement and concrete composites: Monitoring by means of 2D-digital image correlation

Sprince, A; Kozlovskis, T; Gailitis, R; Valivonis, J; Korniejenko, K; Castel, A

Tensile creep of cement and concrete composites: Monitoring by means of 2D-digital image correlation

Sprince, A Kozlovskis, T Gailitis, R Valivonis, J Korniejenko, K Castel, A

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Publisher:: MDPI
Publication Type:: Journal Article
Citation:: Applied Sciences (Switzerland), 2021, 11, (18)
Issue Date:: 2021-09-01

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Field	Value	Language
dc.contributor.author	Sprince, A
dc.contributor.author	Kozlovskis, T
dc.contributor.author	Gailitis, R
dc.contributor.author	Valivonis, J
dc.contributor.author	Korniejenko, K
dc.contributor.author	Castel, A https://orcid.org/0000-0003-1619-9643
dc.date.accessioned	2022-04-29T01:40:17Z
dc.date.available	2022-04-29T01:40:17Z
dc.date.issued	2021-09-01
dc.identifier.citation	Applied Sciences (Switzerland), 2021, 11, (18)
dc.identifier.issn	1454-5101
dc.identifier.issn	2076-3417
dc.identifier.uri	http://hdl.handle.net/10453/156797
dc.description.abstract	Creep and shrinkage of Cement and Concrete Composites (CCC) are significant properties that need to be considered to use these materials in practice. Many previous scientific studies re-vealed CCC creep characteristics under sustained compression and shrinkage, using traditional test methods from design standards. Because of the complexity of experimental procedures, CCC creep in tension has not been studied as close. Furthermore, there is no unified standard that proposes applicable testing methods or specific testing apparatus. This study examines the suitability of 2D— Digital Image Correlation (DIC) to observe the creep deformations of specimens under tension. Or-dinary Portland cement (OPC) mortar with 1% polyvinyl alcohol (PVA) fibres has been investigated in the research. Compact tension (CT) specimens 150 × 150 × 12 mm (with a notch) were used. Creep deformations under sustained uniaxial tension (applied loading corresponding to 60% of the ultimate strength) were measured. DIC images were captured using an entry/mid-level DSLR camera. Results show that DIC is suitable for studying uniaxial tensile creep of cement and concrete com-posites. Deformation of specimens in tension was similar to that measured using the conventional method (using surface-attached gauges).
dc.language	English
dc.publisher	MDPI
dc.relation.ispartof	Applied Sciences (Switzerland)
dc.relation.isbasedon	10.3390/app11188334
dc.rights	info:eu-repo/semantics/openAccess
dc.title	Tensile creep of cement and concrete composites: Monitoring by means of 2D-digital image correlation
dc.type	Journal Article
utslib.citation.volume	11
pubs.organisational-group	/University of Technology Sydney
pubs.organisational-group	/University of Technology Sydney/Faculty of Engineering and Information Technology
pubs.organisational-group	/University of Technology Sydney/Faculty of Engineering and Information Technology/School of Civil and Environmental Engineering
utslib.copyright.status	open_access	*
dc.date.updated	2022-04-29T01:40:15Z
pubs.issue	18
pubs.publication-status	Published
pubs.volume	11
utslib.citation.issue	18

Abstract:

Creep and shrinkage of Cement and Concrete Composites (CCC) are significant properties that need to be considered to use these materials in practice. Many previous scientific studies re-vealed CCC creep characteristics under sustained compression and shrinkage, using traditional test methods from design standards. Because of the complexity of experimental procedures, CCC creep in tension has not been studied as close. Furthermore, there is no unified standard that proposes applicable testing methods or specific testing apparatus. This study examines the suitability of 2D— Digital Image Correlation (DIC) to observe the creep deformations of specimens under tension. Or-dinary Portland cement (OPC) mortar with 1% polyvinyl alcohol (PVA) fibres has been investigated in the research. Compact tension (CT) specimens 150 × 150 × 12 mm (with a notch) were used. Creep deformations under sustained uniaxial tension (applied loading corresponding to 60% of the ultimate strength) were measured. DIC images were captured using an entry/mid-level DSLR camera. Results show that DIC is suitable for studying uniaxial tensile creep of cement and concrete com-posites. Deformation of specimens in tension was similar to that measured using the conventional method (using surface-attached gauges).

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http://hdl.handle.net/10453/156797