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Axial compressive behavior of confined steel fiber reinforced high strength concrete
Usman, Muhammad1; Farooq, Syed Hassan1; Umair, Mohammad1; Hanif, Asad2
2020-01-10
Source PublicationConstruction and Building Materials
ISSN0950-0618
Volume230Pages:117043
Abstract

Concrete is brittle in nature which is why different materials have been used to improve this inherent behavior of concrete. In this experimental study, the effect of simultaneous use of steel fibers and confinement on high strength concrete and the corresponding post peak response of fiber reinforced concrete is investigated. A total of 39 high-strength concrete (incorporating varying amounts of steel fibers) cylinders were casted. The steel fiber volume fraction (V) was varied as 0.5%, 1.5% and 2.5%. 18 samples were confined with Carbon Fiber Reinforced Polymer (CFRP) sheet, and 9 samples were casted in steel pipe confinement, whereas 12 control specimens (without confinement) were also prepared. The samples were tested under axial compression. The results confirmed that the use of steel fiber had minute effect on the compressive strength, whereas it significantly improved the ductility and enhanced the post peak behavior of concrete. The confinement significantly contributed towards the compressive strength increase. The combined use of steel fibers and confinement in concrete columns can be viewed as extremely beneficial as it not only increases the concrete compressive strength but also solves the issue of brittle failure to an appreciable extent.

KeywordCompressive Strength Fiber Reinforced Concrete Steel Fiber Stiffness Toughness
DOI10.1016/j.conbuildmat.2019.117043
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:000504367400091
PublisherELSEVIER SCI LTDTHE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD OX5 1GB, OXON, ENGLAND
Scopus ID2-s2.0-85072723062
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Document TypeJournal article
CollectionINSTITUTE OF APPLIED PHYSICS AND MATERIALS ENGINEERING
Corresponding AuthorUsman, Muhammad; Hanif, Asad
Affiliation1.School of Civil and Environmental Engineering, National University of Science and Technology, Islamabad, Pakistan
2.Joint Key laboratory of the Ministry of Education, Institute of Applied Physics and Materials Engineering, University of Macau, Avenida da Universidade, Taipa, Macao
Corresponding Author AffilicationINSTITUTE OF APPLIED PHYSICS AND MATERIALS ENGINEERING
Recommended Citation
GB/T 7714
Usman, Muhammad,Farooq, Syed Hassan,Umair, Mohammad,et al. Axial compressive behavior of confined steel fiber reinforced high strength concrete[J]. Construction and Building Materials, 2020, 230, 117043.
APA Usman, Muhammad., Farooq, Syed Hassan., Umair, Mohammad., & Hanif, Asad (2020). Axial compressive behavior of confined steel fiber reinforced high strength concrete. Construction and Building Materials, 230, 117043.
MLA Usman, Muhammad,et al."Axial compressive behavior of confined steel fiber reinforced high strength concrete".Construction and Building Materials 230(2020):117043.
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