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Large-rupture-strain (LRS) FRP-confined concrete in square stub columns: Effects of specimen size and assessments of existing models
Zeng, Jun Jie1,2; Zhu, De Hua1; Liao, Jin Jing1; Zhuge, Yan3; Bai, Yu Lei4; Zhang, Lihai5
2022-04-04
Source PublicationConstruction and Building Materials
ISSN0950-0618
Volume326
Abstract

As an environmental-friendly material with high rupture strain capacity, polyethylene terephthalate (PET) fiber reinforced polymer (FRP) has promising industry applications. Previous studies mainly focused on the application of PET FRP-confined concrete in circular columns, while investigations on PET FRP-confined concrete in square columns are rather limited. The purpose of this study is to fundamentally understand the confinement mechanism of PET FRP-confinede concrete in square stub columns by conducting axial compression tests. Particularly, the influences of confinement thickness, corner radius and specimen size were investigated. Test results reveal that the specimen size is not significant for small- and medium-sized stub columns with a similar confinement level. The minimum confinement stiffness ratio and modified confinement ratio for achieving a sufficient confinement are 0.0036 and 0.13 respectively. Additionally, assessments of existing confinement models for PET FRP-confined concrete are conducted.

KeywordAxial Compression Behavior Confinement Effectiveness Model Evaluation Polyethylene Terephthalate (Pet) Frp Square Stub Columns
DOI10.1016/j.conbuildmat.2022.126869
URLView the original
Indexed BySCIE
Language英語English
WOS Research AreaConstruction & Building Technology ; Engineering ; Materials Science
WOS SubjectConstruction & Building Technology ; Engineering, Civil ; Materials Science, Multidisciplinary
WOS IDWOS:000767995800002
Scopus ID2-s2.0-85125188373
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Cited Times [WOS]:11   [WOS Record]     [Related Records in WOS]
Document TypeJournal article
CollectionUniversity of Macau
Corresponding AuthorLiao, Jin Jing
Affiliation1.School of Civil and Transportation Engineering, Guangdong University of Technology, Guangzhou, 510006, China
2.Department of Civil and Environmental Engineering, University of Macau, Macau, China
3.UniSA STEM, University of South Australia, 5095, Australia
4.Key Laboratory of Urban Security and Disaster Engineering of Ministry of Education, Beijing University of Technology, Beijing, China
5.Department of Infrastructure Engineering, The University of Melbourne, Victoria, 3010, Australia
First Author AffilicationUniversity of Macau
Recommended Citation
GB/T 7714
Zeng, Jun Jie,Zhu, De Hua,Liao, Jin Jing,et al. Large-rupture-strain (LRS) FRP-confined concrete in square stub columns: Effects of specimen size and assessments of existing models[J]. Construction and Building Materials,2022,326.
APA Zeng, Jun Jie,Zhu, De Hua,Liao, Jin Jing,Zhuge, Yan,Bai, Yu Lei,&Zhang, Lihai.(2022).Large-rupture-strain (LRS) FRP-confined concrete in square stub columns: Effects of specimen size and assessments of existing models.Construction and Building Materials,326.
MLA Zeng, Jun Jie,et al."Large-rupture-strain (LRS) FRP-confined concrete in square stub columns: Effects of specimen size and assessments of existing models".Construction and Building Materials 326(2022).
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