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Novel ultra-high-performance concrete composite plates reinforced with FRP grid: Development and mechanical behaviour
Ye, Yu Yi1; Smith, Scott T.2; Zeng, Jun Jie1,3; Zhuge, Yan4; Quach, Wai Meng3
2021-08-01
Source PublicationComposite Structures
ISSN0263-8223
Volume269
Abstract

In this study, a novel ultra-high-performance concrete (UHPC) composite plate that is reinforced with a fibre-reinforced polymer (FRP) grid (herein FRP-UHPC composite plate) is developed and reported. The durability and mechanical performance of FRP-UHPC composite plates in harsh environments are expected to be superior to conventional materials when used in optimal configurations; because i) both UHPC and FRP composites in isolation have excellent mechanical properties in specific directions, and ii) they are also durable materials. The flexural and tensile behaviour of FRP-UHPC composite plates, with and without the inclusion of steel fibres in the UHPC mix, were investigated via experimentation. The test results, which demonstrate the excellent interaction between FRP and UHPC, confirm the viability of the system: i) the inclusion of an FRP grid enhances the ultimate flexural capacity by over 150% and the ultimate tensile capacity by over 200%; ii) the FRP-UHPC composite plates exhibit tensile elastic-strain hardening behaviour and the average ultimate tensile stress of the composite plates with an FRP reinforcement ratio of about 0.69% is over 25 MPa; and iii) the interaction between the FRP grid and UHPC is sufficient to transfer stresses in the longitudinal FRP strips to the UHPC through the transverse strips of the FRP grid, while the steel fibres in the UHPC passing through the openings of the FRP grid reduce the likelihood of FRP debonding. The proposed strain-hardening FRP-UHPC plates are expected to be promising for structural elements with various purposes.

KeywordFibre-reinforced Polymer (Frp) Flexural Behaviour Frp Grid Plates Tensile Behaviour Ultra-high-performance Concrete (Uhpc)
DOI10.1016/j.compstruct.2021.114033
URLView the original
Language英語English
WOS Research AreaMechanics ; Materials Science
WOS SubjectMechanics ; Materials Science, Composites
WOS IDWOS:000660688300010
Scopus ID2-s2.0-85106337063
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Cited Times [WOS]:11   [WOS Record]     [Related Records in WOS]
Document TypeJournal article
CollectionUniversity of Macau
Corresponding AuthorZeng, Jun Jie
Affiliation1.Department of Civil and Transportation Engineering, Guangdong University of Technology, Guangzhou, 510006, China
2.School of Civil, Environmental and Mining Engineering, The University of Adelaide, 5005, Australia
3.Department of Civil and Environmental Engineering, University of Macau, Macau, China
4.UniSA STEM, University of South Australia, 5095, Australia
Corresponding Author AffilicationUniversity of Macau
Recommended Citation
GB/T 7714
Ye, Yu Yi,Smith, Scott T.,Zeng, Jun Jie,et al. Novel ultra-high-performance concrete composite plates reinforced with FRP grid: Development and mechanical behaviour[J]. Composite Structures,2021,269.
APA Ye, Yu Yi,Smith, Scott T.,Zeng, Jun Jie,Zhuge, Yan,&Quach, Wai Meng.(2021).Novel ultra-high-performance concrete composite plates reinforced with FRP grid: Development and mechanical behaviour.Composite Structures,269.
MLA Ye, Yu Yi,et al."Novel ultra-high-performance concrete composite plates reinforced with FRP grid: Development and mechanical behaviour".Composite Structures 269(2021).
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