The Effect of Confinement Method and Specimen End Condition on Behavior of FRP-confined Concrete under Concentric Compression

Thomas Vincent, Togay Ozbakkaloglu

    Research output: Contribution to conferencePaperpeer-review

    3 Citations (Scopus)

    Abstract

    This paper presents an experimental investigation on the influence of confinement method and specimen end condition on axial compressive behavior of fiber reinforced polymer (FRP)-confined concrete. A total of 12 aramid FRP (AFRP)-confined concrete specimens with circular cross-sections were tested. Half of these specimens were manufactured as concrete-filled FRP tubes (CFFTs) and the remaining half were FRP-wrapped concrete cylinders. The effect of specimen end condition was examined on both CFFTs and FRP-wrapped specimens. This parameter was selected to study the influence of loading the FRP jacket on the axial compressive behavior. In this paper the experimentally recorded stress-strain relationships are presented graphically and key experimental outcomes discussed. The results indicate that the performance of FRP-wrapped specimens is similar to that of CFFT specimens and the influence of specimen end condition is negligible.

    Original languageEnglish
    Pages650-653
    Number of pages4
    DOIs
    Publication statusPublished - 2013
    Event3rd International Conference on Civil Engineering, Architecture and Building Materials -
    Duration: 25 May 2013 → …

    Conference

    Conference3rd International Conference on Civil Engineering, Architecture and Building Materials
    Period25/05/13 → …

    Keywords

    • Concrete-filled FRP tube (CFFT)
    • Confinement
    • Confinement method
    • End condition
    • Fiber reinforced polymer (FRP)
    • FRP wrapping

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