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Article: Carbon fiber reinforced geopolymer (FRG) mix design based on liquid film thickness

TitleCarbon fiber reinforced geopolymer (FRG) mix design based on liquid film thickness
Authors
KeywordsCarbon fiber
Fiber reinforced geopolymer (FRG)
Packing
Liquid film thickness
Strength
Issue Date2021
PublisherElsevier BV. The Journal's web site is located at http://www.elsevier.com/locate/conbuildmat
Citation
Construction and Building Materials, 2021, v. 269, article no. 121278 How to Cite?
AbstractThough featured by the improved durability and sustainability, wider application of geopolymer has been impeded largely by its intrinsic brittleness. Adding fibers to transform it into fiber reinforced geopolymer (FRG) to ameliorate the brittleness and improve the performance is a promising method that is yet to be explored further. In this study, plain and carbon FRG with varying water to binder ratios were developed, whereby various performance attributes were obtained and evaluated. The addition of carbon fibers showed negative effects on workability but positive effects on strengths and such influences were discussed based on strength-workability relations. Moreover, correlations revealed two governing factors of liquid film thickness (LFT) and fiber factor with which the workability was modelled. Lastly, tests results acquired from the literature and the present study were analysed to elucidate the ascendancy in fiber effectiveness for geopolymer compared to cement-based materials, suggesting some unreleased potentials of fiber technology.
Persistent Identifierhttp://hdl.handle.net/10722/293286
ISSN
2020 Impact Factor: 6.141
2020 SCImago Journal Rankings: 1.662
ISI Accession Number ID

 

DC FieldValueLanguage
dc.contributor.authorChu, SH-
dc.contributor.authorYe, H-
dc.contributor.authorHuang, L-
dc.contributor.authorLi, LG-
dc.date.accessioned2020-11-23T08:14:32Z-
dc.date.available2020-11-23T08:14:32Z-
dc.date.issued2021-
dc.identifier.citationConstruction and Building Materials, 2021, v. 269, article no. 121278-
dc.identifier.issn0950-0618-
dc.identifier.urihttp://hdl.handle.net/10722/293286-
dc.description.abstractThough featured by the improved durability and sustainability, wider application of geopolymer has been impeded largely by its intrinsic brittleness. Adding fibers to transform it into fiber reinforced geopolymer (FRG) to ameliorate the brittleness and improve the performance is a promising method that is yet to be explored further. In this study, plain and carbon FRG with varying water to binder ratios were developed, whereby various performance attributes were obtained and evaluated. The addition of carbon fibers showed negative effects on workability but positive effects on strengths and such influences were discussed based on strength-workability relations. Moreover, correlations revealed two governing factors of liquid film thickness (LFT) and fiber factor with which the workability was modelled. Lastly, tests results acquired from the literature and the present study were analysed to elucidate the ascendancy in fiber effectiveness for geopolymer compared to cement-based materials, suggesting some unreleased potentials of fiber technology.-
dc.languageeng-
dc.publisherElsevier BV. The Journal's web site is located at http://www.elsevier.com/locate/conbuildmat-
dc.relation.ispartofConstruction and Building Materials-
dc.subjectCarbon fiber-
dc.subjectFiber reinforced geopolymer (FRG)-
dc.subjectPacking-
dc.subjectLiquid film thickness-
dc.subjectStrength-
dc.titleCarbon fiber reinforced geopolymer (FRG) mix design based on liquid film thickness-
dc.typeArticle-
dc.identifier.emailChu, SH: shchu@connect.hku.hk-
dc.identifier.emailYe, H: hlye@hku.hk-
dc.identifier.emailHuang, L: huangle@hku.hk-
dc.identifier.authorityYe, H=rp02379-
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1016/j.conbuildmat.2020.121278-
dc.identifier.scopuseid_2-s2.0-85094837580-
dc.identifier.hkuros319231-
dc.identifier.volume269-
dc.identifier.spagearticle no. 121278-
dc.identifier.epagearticle no. 121278-
dc.identifier.isiWOS:000604773000052-
dc.publisher.placeNetherlands-

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