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Article: Mechanical performance of Strain-Hardening Cementitious Composites (SHCC) with hybrid polyvinyl alcohol and steel fibers

TitleMechanical performance of Strain-Hardening Cementitious Composites (SHCC) with hybrid polyvinyl alcohol and steel fibers
Authors
KeywordsCrack width control
Engineered cementitious composite
Environmental impact
Fiber-reinforced concrete
Hybrid fibers
Mechanical properties
Issue Date2019
Citation
Composite Structures, 2019, v. 226, article no. 111198 How to Cite?
AbstractRecently, hybridizing fibers with distinct properties in cementitious materials has gained much attention due to their advantage over single-type fiber reinforcements. However, for Strain-Hardening Cementitious Composites (SHCC), most existing studies only compared hybrid-fiber SHCC (HySHCC) with conventional concrete or introduced additional steel fibers into mono-fiber SHCC, rather than keeping the total fiber dosage constant to show the positive synergetic effect. This study aims to explore the benefits of using hybrid steel/polyvinyl alcohol (PVA) fibers in SHCC with a fixed total fiber dosage of 2.5 vol% by evaluating the mechanical, economic and environmental potentials. The mechanical performance of HySHCC was comprehensively tested under compression, tension, static three-point bending and cyclic four-point bending. The crack pattern under uniaxial tension was digitally captured, and the static three-point bending performance was numerically simulated using a finite element method. While HySHCC generally showed slightly lower ultimate tensile strain and higher environmental impacts than PVA-SHCC, the crack control ability, compressive strength, modulus of elasticity and flexural toughness were superior. The findings of this study offer a new insight on the design and selection of fiber-reinforced cementitious composites for structural applications.
Persistent Identifierhttp://hdl.handle.net/10722/334603
ISSN
2023 Impact Factor: 6.3
2023 SCImago Journal Rankings: 1.601
ISI Accession Number ID

 

DC FieldValueLanguage
dc.contributor.authorYu, Jing-
dc.contributor.authorChen, Yixin-
dc.contributor.authorLeung, Christopher K.Y.-
dc.date.accessioned2023-10-20T06:49:19Z-
dc.date.available2023-10-20T06:49:19Z-
dc.date.issued2019-
dc.identifier.citationComposite Structures, 2019, v. 226, article no. 111198-
dc.identifier.issn0263-8223-
dc.identifier.urihttp://hdl.handle.net/10722/334603-
dc.description.abstractRecently, hybridizing fibers with distinct properties in cementitious materials has gained much attention due to their advantage over single-type fiber reinforcements. However, for Strain-Hardening Cementitious Composites (SHCC), most existing studies only compared hybrid-fiber SHCC (HySHCC) with conventional concrete or introduced additional steel fibers into mono-fiber SHCC, rather than keeping the total fiber dosage constant to show the positive synergetic effect. This study aims to explore the benefits of using hybrid steel/polyvinyl alcohol (PVA) fibers in SHCC with a fixed total fiber dosage of 2.5 vol% by evaluating the mechanical, economic and environmental potentials. The mechanical performance of HySHCC was comprehensively tested under compression, tension, static three-point bending and cyclic four-point bending. The crack pattern under uniaxial tension was digitally captured, and the static three-point bending performance was numerically simulated using a finite element method. While HySHCC generally showed slightly lower ultimate tensile strain and higher environmental impacts than PVA-SHCC, the crack control ability, compressive strength, modulus of elasticity and flexural toughness were superior. The findings of this study offer a new insight on the design and selection of fiber-reinforced cementitious composites for structural applications.-
dc.languageeng-
dc.relation.ispartofComposite Structures-
dc.subjectCrack width control-
dc.subjectEngineered cementitious composite-
dc.subjectEnvironmental impact-
dc.subjectFiber-reinforced concrete-
dc.subjectHybrid fibers-
dc.subjectMechanical properties-
dc.titleMechanical performance of Strain-Hardening Cementitious Composites (SHCC) with hybrid polyvinyl alcohol and steel fibers-
dc.typeArticle-
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1016/j.compstruct.2019.111198-
dc.identifier.scopuseid_2-s2.0-85068858169-
dc.identifier.volume226-
dc.identifier.spagearticle no. 111198-
dc.identifier.epagearticle no. 111198-
dc.identifier.isiWOS:000487208600021-

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