Creep and shrinkage of synthetic fibre-reinforced geopolymer concrete

Noushini, A; Castel, A; Gilbert, RI

Creep and shrinkage of synthetic fibre-reinforced geopolymer concrete

Noushini, A

Castel, A Gilbert, RI

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Publication Type:: Journal Article
Citation:: Magazine of Concrete Research, 2019, 71 (20), pp. 1070 - 1082
Issue Date:: 2019-10-01

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Field	Value	Language
dc.contributor.author	Noushini, A https://orcid.org/0000-0003-2604-5592	en_US
dc.contributor.author	Castel, A	en_US
dc.contributor.author	Gilbert, RI	en_US
dc.date.issued	2019-10-01	en_US
dc.identifier.citation	Magazine of Concrete Research, 2019, 71 (20), pp. 1070 - 1082	en_US
dc.identifier.issn	0024-9831	en_US
dc.identifier.uri	http://hdl.handle.net/10453/138338
dc.description.abstract	© 2019 ICE Publishing. All rights reserved. This paper presents the results of an investigation on the use of synthetic polypropylene (PP) and polyolefin (PO) fibres to improve the creep and shrinkage performance of low-calcium fly ash-based geopolymer concrete. Three PP fibres of 18, 19 and 51 mm length and two PO fibres of 48 and 55 mm length with a volume fraction of 0·5% were added to geopolymer concrete. The mechanical properties of the resulting material, such as compressive and splitting tensile strength, modulus of elasticity and modulus of rupture, have been studied. The drying shrinkage and creep of plain and fibre-reinforced geopolymer concrete were examined for a period of 1 year. The results revealed that the inclusion of PP and PO fibres in a volume fraction of 0·5% decreased the drying shrinkage and increased the compressive creep of fly ash-based geopolymer concrete at both early ages and in the long term.	en_US
dc.relation.ispartof	Magazine of Concrete Research	en_US
dc.relation.isbasedon	10.1680/jmacr.18.00053	en_US
dc.subject.classification	Building & Construction	en_US
dc.title	Creep and shrinkage of synthetic fibre-reinforced geopolymer concrete	en_US
dc.type	Journal Article
utslib.citation.volume	20	en_US
utslib.citation.volume	71	en_US
utslib.for	0912 Materials Engineering	en_US
utslib.for	0905 Civil Engineering	en_US
utslib.for	1202 Building	en_US
pubs.embargo.period	Not known	en_US
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	closed_access
pubs.issue	20	en_US
pubs.publication-status	Published	en_US
pubs.volume	71	en_US

Abstract:

© 2019 ICE Publishing. All rights reserved. This paper presents the results of an investigation on the use of synthetic polypropylene (PP) and polyolefin (PO) fibres to improve the creep and shrinkage performance of low-calcium fly ash-based geopolymer concrete. Three PP fibres of 18, 19 and 51 mm length and two PO fibres of 48 and 55 mm length with a volume fraction of 0·5% were added to geopolymer concrete. The mechanical properties of the resulting material, such as compressive and splitting tensile strength, modulus of elasticity and modulus of rupture, have been studied. The drying shrinkage and creep of plain and fibre-reinforced geopolymer concrete were examined for a period of 1 year. The results revealed that the inclusion of PP and PO fibres in a volume fraction of 0·5% decreased the drying shrinkage and increased the compressive creep of fly ash-based geopolymer concrete at both early ages and in the long term.

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http://hdl.handle.net/10453/138338